TWI317345B - Winching and drawing machine - Google Patents

Description

1317345 发明, 发明发明发明 [Technical Field of the Invention] The present invention relates to a hoisting retractor, and more specifically, the number of parts is small, and can be reduced in size and weight. Hoisting the Huaraz. _ [Prior Art] In the past, it has been proposed to expose the retractor with a small number of parts and a simple structure. For example, a hoisting retractor as shown in Fig. 20 is known, which is used as an idling grip for adjusting the length of the chain. Hereinafter, a method of adjusting the length of the key bar by a conventional idling grip will be described using Fig. 20. The hoisting retractor shown in FIG. 0 is provided with a driving member 35 that is freely retractable 31=: the driving shaft 31 is formed to penetrate the driving shaft port P 37 ′ and is applied to the opening portion 37, At the drive

The idling grip 41 is disposed, and between the yoke and the drive shaft 31, the drive member 35 is biased away from the brake plate 3 and is biased by the aiming spring. 40; and a restriction member % for restricting the rotation of the driving member 35. Solid: the idling grip of the hoisting retractor formed... screw = in the sighing "the drive member 35 of the convex portion 38 of the member 35 and the idling grip 41 are connected to the 3 hole and connected to the drive mechanism The outer peripheral surface of the driving member 35 of 5 °卩 has a concave groove % for mounting the hand 43. In addition, the spring is intended to be driven by the brake shaft 31 in the step of the drive shaft 31, and is not pushed from the step portion of the drive: the portion 41 is driven to drive the 槿 γ In the manner of the moving member Μ toward the direction away from the brake plate 33

315402 (^ JE 6 1317345 pressure. Further, the convex portion 39a of the restricting member 39 abuts against the convex portion 38 of the driving member 35, and restricts the rotation of the driving shaft 35 with respect to the driving shaft 31. When the above-described hoisting retractor is being performed In the case of the load operation, the handle 43 is repeatedly rocked in the hoisting direction, and by rotating the drive member 35, the rotation is transmitted to the drive shaft 31 via the brake plate 33, the brake base 32, etc., so that the load pulley is rotated in the hoisting direction. The chain is rolled up. Next, when the handle 43 is repeatedly rocked in the winding direction, the chain will be rolled toward the _, and when there is no load, the driving member 3 is liberated by the brake plate 33 due to the action of the spring 40, and the roll is made The load sheave of the chain is in a rotatable idle state. In the idling state, when a load is applied to the chain, a crimping force is generated on the brake plate 33 of the drive member 35 by a screw to form a braking state, and the load sheave is prevented. Rotate in the direction of the reeling. In addition, when idling, the chain can be directly pulled to adjust the length of the chain, but also = idling (four) 41 ' and the length of the steel strip is rotated by the driving member 35 In order to limit the rotation of the driving member 35, the restriction is made so that the restricting member 39 is configured to be inserted into the flower Pme of the drive shaft, so that the drive pumping 3! and the restricting member 39 need to be processed. Further, in the case where the restricting member 39 is provided with the convex portion ..., it is necessary to be placed on the inner side of the driving member 35, and the abutting portion 38 is abutted against the convex portion 38 of the convex portion 39a. The screw is fixed to the drive member 3: = and the screw hole is required to be applied to the drive member 35, so that the screw hole retains strength, so that the drive member 35^ and, therefore, the straight member of the drive member 35 will be "The thickness of the crucible, the diameter of the crucible becomes larger, and as a result, the 315402 (corrected version) of the handle 43 is 7 1317345. The diameter of the crucible becomes a large diameter, and there is a disadvantage that the entire retractor is enlarged. It is known to drive the component to be fitted with the handle, and to provide a washer for preventing the drop at the end of the drive shaft, and to fasten the loop by the washer, or to insert the screw at the end of the drive shaft. Cap, but to stop the shaft pin 4 to stop the end of the drive shaft. But These washers or nuts can only be set as the stop-off users, and not the ones that do not touch the key strips, that is, the function of adjusting the length of the chain by using the I-turn grip. The drive member of the puller is mounted on the intercepting side of the brake plate of the drive member and the drive shaft, and the idle spring is repeatedly rotated. When the winch operation is performed, the drive member is repeatedly rotated to move the drive member against the idle spring in the direction of the brake plate. The brake base is connected to the bearing segment of the drive shaft, and the rotation of the drive member is transmitted to the drive pump to rotate the load pulley. Further, when the load is not loaded, the drive member is loosened by the idle spring. The direction is biased to make the brake plate and the like open, thereby constituting a manner in which the chain can be freely operated. In the hoisting retractor of the conventional form of the above-described form, the idling magazine on the side of the driving member side and the side of the brake plate side of the driving shaft are the same diameter 'so that' The driven idling elastic buttoning portion is engaged with the idling elastic and is set to be larger and lighter than the diameter of the idling elastic π 'so that the diameter of the driving shaft is increased, and the brake plate mounted on the driving shaft is also The inner diameter of the component is increased, and the outer shape of each component is increased along with the above-described form, which causes the hoisting retractor main body to become large. Furthermore, the conventional hoisting retractor has a guide roller that is guided to be wound on the load side and the unloaded side of the chain of the load slip 8 315 402 (revision) 1317345 wheel, and each guide roller is used as a separate component. Since the other parts are independent of the frame and the frame is placed on the frame, the problem of miniaturization of the hoisting retractor is increased, and the weight increase is increased. The structure of the guide roller of the hoisting retractor is described. In the figure, '50 is the load sheave, 51 is the pinion gear that is engaged with the load gear (not shown) (pinion gea small 52a is externally connected to the chain, and the load is guided by the outside The load side guide roller of the side chain, 52b is a load-free side guide roller, Μ is a frame, 54 is a chain, and 55 is driven. The pinion gear 51 is provided at the end of the drive shaft 55 and is driven by a known drive. A drive mechanism such as a member, a brake plate, a brake base, and a multi-head screw is driven. The drive pinion_ rotates the load sheave 5 by a load gear (not shown) that is engaged with the pinion 51, and performs a chain roll. Yang action. With load pulley 5 When the chain 54 is wound up, in order to prevent the chain 54 from being detached from the load pulley 5, the chain 54 can be guided by the load-side guide rollers 52a and 52b on the load side. In a manner, the guide rollers 52a and (2) are configured as separate parts and are slidably framed, and are disclosed in, for example, Japanese Patent Laid-Open Publication No. Hei 5-123794, which is known as a mechanism for guiding the chain. When the chain is hoisted, the ring-shaped key bar that is sent from the pure load sheave to the unloaded side is in a state of being embedded in the groove of the load sheave, and is wound in the state of the load sheave. Thus, the chain is sent out to the unloaded load. The problem of the side exists, and 315402 (Revised Edition) 1317345 In order to solve this problem, as shown in Figure 22 (shown in the figure, on the unloaded side of the hoisting retractor: with the proximity load sheave ίο and used to guide the longitudinal Ring: a load-free side guide of the groove 14 C of the 〇b" 4a; and a flat between the unloaded side for holding the annular key strip 3'' and having a guide plane 60a for guiding the annular key strip % Texhuang + ten-shaped inner guide 6 〇 Among the unloaded side endless chain 30 sent by the load sheave 1 ,, the protrusion _ at the front end of the inner guide (10) makes the longitudinal ring bird away from the load sheave, that is, toward the load sheave 1G. The outer side is pushed out and the squatting is repeated: the horizontal loop is detached from the load with the longitudinal ring 3〇b, and is used as the eyelid # 忭 horse restraining the ridge 30a to be involved in the load sheave. The key bar guide is for carrying out the chain unwinding action ''that is, 'the ring chain 3 is sent from the unloaded side toward the load side, and the groove 14 of the heavy side guide 14a guides the horizontal ring, and the face is inside: Leading to: heavy /: plane 6 〇" to push, while the endless chain 3 is sent out to the load side of the load sheave 10. However, when the vertical chain is output in the state in which the vertical 3 Ob ^ ^ ^ ^ is pulled in the direction of the feeding operation of the endless chain 3G, the feeding of the endless chain 3 () can be smoothly performed. The action, as shown in the figure, is due to the endless chain 3. The twisting causes the longitudinal ring bird to enter the groove 14' of the unloaded side guide light 14a and the side guide light W and the guide plane 6〇a of the inner guide 60 to ring; 3 In the state of being carried by the load sheave 1〇, = = heavy side guide... load sheave. Between the ring-shaped key bar % ... the load side guide roller 14a, and cannot be carried by the load pulley 丨. Smoothly enter 315402 (corrected version) 10 1317345 Rowing action of the circular chain of the line β In addition, in order to solve the above problems, such as the X-ray 2*3 figure, develop a kind of hustle and bustle The ancient draped Atu m war sighs the guide member 61' that guides the vertical ring 30b and the horizontal ring 30a with the cross guides... and acts to prevent the endless chain from twisting when the output of the circular key strip 3 is sent out. Chain guides. In the above-mentioned Japanese Patent Application Laid-Open No. Hei No. Hei. No. Hei. No. Hei. No. Hei. The construction 'so' has a problem of complicated processing and high cost of parts. Next, the load gear and the load sheave are conventionally shaped as shown in Fig. 24 and Fig. ' by the spline tooth shape provided on the pulley shaft. In the sentence, the connection mechanism between the conventional load gear and the load sheave is explained. Eighth, in Fig. 24 and Fig. 25, 7〇 is the drive shaft, 7〇a is the pinion gear system; the knife wide shaft seat is the shaft support. 71 is a load sheave, and 7 2 is a sheave shaft provided on the load sheave, and is pivotally supported by a shaft seat 75, respectively. 73 is coupled to the load gear of the pulley shaft 72 in the shape of a spline or a zigzag, and engages the 71 and the rim a, and transmits the rotation of the drive shaft 7〇 to the load sheave. The load is rotated from the load sheave 71. The pinion gear 70a, the gear 73, and the pulley shaft 72 are covered by a gear cover 74. Further, the pulley shaft 72 of the load pulley 7i is provided with a spline/^ Q 嵌合 of the fitting load gear 73 as shown in Fig. 25. The above mechanism is disclosed in Japanese Patent Publication No. 63_3834. Since the spline 72b is processed by cutting and rolling, 11 315 402 (corrected version) 1317345, it is necessary to form the escape portion of the cutting tool on the pulley shaft 72. Therefore, the conventional pulley shaft 72 is between the end of the spline 72b and the standard surface 72c of the pulley shaft 72. As shown in Figs. 24 and 25, it is necessary to fit the load gear 73. The escape function 72e of the direct function increases the width of the load gear due to the length of the escape portion 72e, and also increases the width of the pinion gear or the reduction gear that meshes with the load gear 73, thereby causing the hoisting The width of the puller is increased, and it becomes an obstacle to miniaturization and weight reduction of the hoisting retractor. Further, since the spline is subjected to the groove processing by the cutting and rolling process as described above, there are problems in processing cost and processing time. Further, since the main frame of the hoisting retractor is fixed by a conventional bolt or a nut, the number of assembly man-hours increases, and it becomes an obstacle to miniaturization. Hereinafter, the fixing mechanism of the conventional body frame will be described with reference to Fig. 26. In the figure 26, the load pulley is held between the pair of frames 84 positioned at regular intervals, and the small diameter portion of the end is inserted into the hole provided in the frame 84, and the jade and the small diameter portion are screwed. 'The lock can be locked by the nut%: the two brake plates 87 and the brake seat 88 are provided by the brake cover 83. The outer side of the frame 84 on the side of the pulley 89 is covered by the cover 82. The load is the same as that of the conventional hoisting retractor. The portion is inserted into the hole portion provided in the frame 84, but for inserting the 'small diameter at both ends: the diameter of the hole portion provided in the frame 84 is set to be slightly larger than the diameter of the bolt: end: screw portion' wire portion, therefore, Even if the screw at both ends is fixed by the nut 86, the screw 86, 315402 (revision) 12 1317345, and the frame 84, the A (f) of the thread bobbin 85 and the gear 盍 82 are fixed, and the snail is still in the snail (4) When the hole portion of the frame 84 is stored in the work, etc., when the picker is too 1 Ul^ and the deflector of the gap portion is subjected to a large impact, the phenomenon that the town station is out of order will occur. Assembly: The outer two ends are formed by a nut joint. Therefore, after the body is turned over, the bolts on one side are fixed by the screw Φ 后, and then the assembly worker a# i : bolt end of the assembly operation is performed. It is necessary to expose the outer portion of the body to the front end portion of the bolt and the nut system. Oh, it is easy to create a job or damage, and it will cause difficulty in disassembly during maintenance. Further, in order to fix the cap, it is necessary to use, for example, a lever cover such as the brake cover 83 and the screw nut. The space of ^ /, becomes a barrier to miniaturization of the hoisting retractor. In view of the above various problems, an extractor is provided. At the same time, the sturdy and easy to assemble and disassemble the hoisting pull [invention] The idling grip provided at the end of the drive shaft of the conventional hoisting retractor requires the screw shaft and the restricting member to perform the spline Because the idling system is screwed to the screw hole provided in the (4) member, the # drive member is only large, and the hoisting retractor has a large size. In addition, the spring of the drive shaft is required. The diameter of the engaging portion is larger than the diameter of the idling spring, so that the outer shape of the part is increased, and the overall size of the vibrating body is increased. Further, the guide roller is made into a separate part, and the other is made of a separate part. The parts are independent and the shaft 315402 (the revised version 13 1317345 is placed on the frame, so it becomes a barrier to miniaturization, while the conventional chain guides have the problem of high cost of processing complicated parts, and further, since it is necessary to be known in the load The connecting mechanism of the gear and the load sheave has a retreat p for spline machining, which increases the width of the load gear, and becomes a barrier to downsizing and weight reduction. Further, the body frame is screwed and fixed by a nut. ,and so There is a problem that the assembly worker Bf is increased and the entire hoisting retractor is increased in size. The present invention is directed to solving the above problems. First, the end surface is engaged with the driving member of the driving member of the hoisting retractor. And the stopper for driving the buckle is arranged, and the idle grip is fixedly disposed on the stopper. In the hoisting retractor provided with the conventional idling grip, the rotation limit of the driving member must be limited. a member, but in the present invention, since the stopper of the above configuration is provided, there is no need for a restricting member, and the configuration that the idling grip is not fixed to the driving member is formed, and therefore, the diameter of the driving member does not need to be changed. The large 'can make the hoisting retractor smaller and lighter. At the same time, the end face of the handle mounting portion of the hoisting retractor is covered by the idling grip, so it can be more beautiful than the conventional hoisting retractor. In addition, a conventional example in which a drive member and a handle anti-drop washer are provided at the end of the drive shaft, since the chain length can be adjusted by the idling grip, a multi-functional hoisting pull can be provided. Device The present invention is a hoisting retractor that transmits the rotation of the driving member to the driving shaft and rotates the load sheave by the brake seat, wherein the brake plate fitting side of the idling spring is formed to have a small diameter than the driving member side, and The small-diameter portion is fastened to the engaging portion of the brake plate embedding side of the drive shaft. According to the present invention, the brake plate embedded side ratio of the idle spring is driven by 315402 (revision) 14 1317345 The small diameter and the small diameter portion are fastened to the fastening portion provided on the side of the brake plate fitting, so that the diameter of the drive shaft can be made smaller than the diameter of the conventional example, and the part mounted on the drive shaft can also be mounted. The diameter is formed into a small diameter, so that a small, lightweight, and low-cost hoisting retractor can be provided. The third invention includes: a pinion gear provided at one end of the drive shaft; by interlocking with the pinion gear a load pulley for driving the load gear; and a hoisting retractor for guiding the guide roller wound around the chain of the load sheave, wherein the guide roller is provided on the coaxial axis of the drive shaft, and the guide roller is externally connected Load slip The wound key bar. According to the present invention, the guide roller is disposed coaxially with the drive shaft, and therefore, compared with the hoisting retractor which uses the guide roller as a separate component and the yoke is framed, the number of parts can be reduced, and The hoist body is miniaturized and light-weighted. ((4)' provides a kind of reduction in assembly man-hours, and the low-cost hoist is the fourth. The present invention is used. a chain pulley, and a hoisting retractor for raising/lowering the endless chain, in the stern, on the unloaded side of the endless chain of the load sheave, with respect to the reinforced pulley of the endless chain by the load wheel = under the ring On the outer side of the key strip, there is a material having a groove outside the longitudinal ring of the endless chain, and the inner side of the chain has an inner guide which is inclined to incline the garment. Where the (4) of the φ chain is positioned, according to the present invention, among the ring-shaped key bars of the endless chain guide, the transverse ring::= when the 'feed' _ the transverse ring also limits the feeding to the key bar guide== Limited by the side guides, the inclination of the longitudinal slant, because the cross-drive 315402 (corrected version) 15 1317345 money into the outer guide member 冓, and the cross ring formed a cross shape, but the circular chain will not Hanging on the outside of the roll-up work.彳 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The shaft has a groove extending in the longitudinal direction and having a slanted inclined surface, and the load sheave has a convex portion that is inscribed on the inner circumferential surface/the inclined surface of the groove. According to the present invention, a groove is provided in the pulley shaft instead of a conventional spline or the like, and since it is configured to be fitted with a heavy gear in the groove, there is no flaw in the escape portion of the moon wheel shaft slanting processing. In addition, the entire apparatus can be reduced in size, weight, and cost. The groove is provided with an inclined surface that is inclined toward the axial direction of the pulley. Therefore, the direction in which the red moment is obtained is formed as a circle. : Smooth torque transmission...can reduce the load applied to the pulley shaft', thus reducing the number of grooves... an extremely easy way to machine. The utility model has the following features: a brake disposed on the wheel cover and the brake cover: a segment for positioning on the frame; a pad having a small diameter portion fitted to the gear cover; The bolt is fixed to the cover; and the frame is clamped and fixed to the segment of the gasket and the inner end surface of the gear cover and the brake cover.曰 According to the material, the hoist body frame is spaced apart and clamped by the section of the gasket, and is fixed to the lining by the hard _ clip, because the frame/, the gear cover and the brake cover are attached The inner end 315402 (corrected version) 16 1317345 The surface 'the positioning of the frame is simple' and there is no gap between the parts when the frame is locked. Therefore, there is no deviation between the frame and other parts. Phenomenon, but can provide a small and sophisticated hoisting retractor. [Embodiment] (Best Mode for Carrying Out the Invention) Although the present month is characterized by the above-described configuration, the overall structure of the hoisting retractor according to the present invention will be described below with reference to Figs. 1 to 3 . Fig. 1 is a side view of the hoisting retractor of the present invention, Fig. 2 is a front view of Fig. i, and Fig. 3 is a bottom view of Fig. i. In the figure] is the drive shaft and is rotatably facing the frame 2, 17b, and in the drive (four)! The frame m side is a state in which the brake base 2 is fitted so as not to be rotatable relative to the drive shaft 1. 'Next', after the rear drive base 2, the clamped ratchet 4 is attached by a pair of brake plates 3. A multi-head screw 22 of the screw drive 5 is provided at the end of the frame 17 & side of the drive shaft 1. Further, on the other side, the guide roller between the frames na and 17b and the pinion m of the end portion are brake seats in a state in which the outer roller 1 is not relatively rotatable; * is an outer fitting = a movable shaft ! The ratchet wheel; the 3 series brakes the ratchet 4 from the left and right and the brake plate (1) of the drive = 2 is a pinion provided at the end of the drive shaft; : is formed integrally with the i, coaxially, and is provided in the frame a load-free guide roller between ... and =; 14b is a load-bearing guide roller whose shaft is selected between the frames i7 and m; and 5 is a drive member having a screw screwed into the head wire of the drive shaft j; For example, the brake plate of the drive shaft 1 is 315402 (revision) 17 1317345 P 1 e between the end and the inner section of the drive member $, and the drive member 5 is biased in the loose direction of the idle spring; 22 is set The multi-head screw on the drive shaft 2. 7 is a stopper mounted on the end of the drive shaft 1; 8 is an idle grip fixedly disposed on the stopper 7; 12 is a load gear engaged with the pinion; and is a pulley having the external load gear i 2 Axis] ι, and the shaft is supported by a freely rotating axle! Load pulley between 7a and j 7b. Drive member ^ : Screw mounted on the drive shaft! a multi-head screw 端 at the end, and is propelled by rotating the melon α on the outer peripheral surface of the driving member 5, and the brake pad 2 is pressed against the bearing segment of the driving shaft i by the brake plate 3,俾The drive shaft can be driven in rotation. Further, on the other side of the drive shaft, between the frames 17a and 17b, a load-bearing side guide roller 14a' is provided, and the pinion gear 13 is protruded outside the support frame 17b, and is externally lost to the load sheave 10 The load gear 12 of the pulley shaft U is bitten by 3, and the load side guide roller 14b holds the load sheave 11 from the opposite side of the unloaded side guide roller 4a, and is used to guide the chain 30 of the frame 7b. I5a, i5b are used to define the interval between the frames 17a, 17b, and the lining between the frames 17a, m is fixed, and one end is fitted! The frame 17 is geared to the gear cover 18' and the other end is fitted to the frame 17a, and the brake cover 1916 is a bolt' which is inserted into the intermediate cushions 15a, 15b by the bolt insertion holes provided in the brake cover i9, and The end of the bolt is screwed to the gear cover 18. The reverse rotation preventing claw of the shaft is mounted on the hollow gasket 15a, and the end is fastened to the frame 17a, and the other end is placed on the flange of the hollow gasket. And buckled to reverse the prevention of sweat? The 褥 J Jt claw 2 1 is a spring that reverses the prevention claw 2 j toward the direction of the teeth of the outer circumference of the ratchet '4, and is wound around the hollow 315402 (revision) 18 1317345 pad 15a. (Embodiment) Next, an embodiment of the present invention will be described. Embodiments of the present invention: Refer to Figs. 2, 4U, and (1) for the present invention. ® Medium: la* can support the idling grip shaft and has a larger diameter than the retaining groove lb'. It is engaged with the anchoring piece and the limiting end:, 1" 企 τ θ τ moving toward the glaze雀. It is the brake seat for the 塱 component; 3 is the brake plate. 4 AM i 'wheel knowledge, 卜 夕 』 ”, 4 is the ratchet, 21 is the reverse rotation prevention claw; 5 is the drive member; 6 is the drive The structure π π work spring, 7 之 convex ° 嵌合 嵌合 嵌合 嵌合 7 7 7 7 嵌合 嵌合 嵌合 嵌合 嵌合 嵌合 7 7 7 7 7 7 7 7 7 7 7 7 为 为 为 为 为 为 为 为 为 为 为 为 为 为 为 为 为 为 为The bearing part on the inner side of the idling grip; 9 is a screw; 10 is the load of the chain, the age is the prayer cover; 24 is the control: the wheel 7 is the frame; 18 is the tooth (4) «The hoisting pull The device is provided with: a drive shaft 2 with a drive shaft 1; a movable base 2; coupled to the brake base 2, and fitted with a ratchet 4 disposed between the brake plates 3 with a screw-in screw; The driving member 5. The driving shaft 1 is connected to the section of the door driving shaft of the braking side section and the inner side of the driving member 5, and the driving member 5 is oriented toward the air pressure from the brake pressure. The party that lost j The rapper turns to the phthalate-free 6, and the drive shaft of the drive shaft is larger than the diameter of the drive shaft by the movement of the axis 5 to limit the movement toward the drive member and has the same function as the drive member 5 3 J 5402 (Revision) 19 1317345 Rotate and drive the 槿 strain $ 7; Solid...: The recess "the stop of the recessed groove 7c; the stopper 7 and the inside is provided with a rotatable side Air shaft support: idling grip 8 of the drive shaft end W"a; and: fixed installation of the idling grip 8 (women's screw 9 of the stopper 7) stopper 7 sipe 7 and disc 'If there is a shaft branch of the buckle groove 1b that fastens the drive shaft 1, the 7a and the screw hole 7b' are formed in the shape of the ...) and are formed to be separated and sturdy to L, which will be able to liberate the brake. ==, if it is configured to form a door gap between the drive member 5 and the stopper 7, the groove portion 7 of the drive member 5 and the stopper 7 can be convex toward the member 5. The 々k 帛 axis direction is set to 'with a moderate interval: the second drive pumping 1 series is connected with the load pulley 1 ,, and the load pulley 17b... is rotated freely The mode shaft is supported by the frame 17a and the outer peripheral surface of the member 5 is non-circular, and the control rod 24 is mounted by the stopper. The hoisting gear cover 18 and the brake cover 19 are covered. The operation of the hoisting retractor of the embodiment will be described. When the control lever 24 is repeatedly oscillated in the hoisting direction by (4) it, the drive shaft 1 is hoisted toward the rotation #5, the brake plate 3, and the brake base 2. The slewing (4) load pulley Μ performs the hoisting operation of the chain. When the hoisting/rolling machine 3 is placed in the winding operation, the winding/retracting device 3 is placed in the winding direction, and the lever is repeatedly shaken. The braking member 5 of the system 1 is rotated in the liberation direction, whereby the liberation amount of the drive member 5 is released from the drive shaft 1 and the drive shaft 1 is simultaneously released to the winding member. The chain winding operation can be performed by repeatedly operating the series of operations of the above 315402 (corrected version;) 20 1317345. When there is no load at the position, the switching piece of the control lever 24 is switched to the middle section, and by the action of the idle spring 6, the driving member 5 = 仃 is liberated, and the length of the chain can be adjusted freely. When the load is applied to the chain, the braking force applied to the driving member 5 by the == is generated by the screwing of the brake member 3, and the pressing force applied by the brake plate 3 is recognized, thereby preventing the Portuguese heavy wheel 10 from rotating in the winding direction. When the load = 'in the idling (four), by the (four) turning the two screw r" by the brake plate 3, the brake seat ^ ^ integral rotation, the chain length can be adjusted to the hoisting direction without touching the chain The length required. 'And' the right M idling grip 8 drives the drive member 5 relative to the drive! When rotating in the slack direction, the length of the chain can be adjusted by the support of the load sheave::Λ:?, www the moving member 5 and _], and the chain is touched (four), and In the above embodiment, the convex portion is fitted to the groove portion of the anchoring member, the movable member is provided with the convex portion, and the engaging member and the locking member are also provided in the combined shape. The protruding portion is disposed on the stopping member, and the convex portion π of the blocking member is configured to be fitted in the driving concave portion or in the form of the idling grip # embossing, and in addition, the moving member; Further, in a form in which the convex portion penetrates the stopper of the stopper, a convex portion may be provided to the driving member. The shell wears the stop and is in the form of a snap-fit grip. In addition, the morphological structure of the 擒 只 只 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 It is a plate-like body of one piece, or, for example, the 4th (b) pair is as described above, and may be formed into two plate-like bodies. In the present embodiment, the drive member 1 is coupled to the drive shaft 1 in the last name of the drive member 5, and the male and left ends of the cut lure 5 are ^^^, t. The movement of the drive member in the axial direction is restricted, and the drive shaft is driven. 1 is rotated simultaneously with the driving member 5, and is provided with a play + h 丄 6 for preventing the control lever 24 from falling off, and is prevented from being erected by the rotation preventing member 5 by the stopper member 7 being fixedly disposed. Recognizing the second turning grip 8, therefore, there is no need to have a restricting member as used to limit the driving member, and the like, and the fixing member is fixed to the driving member by the ^^^ The structure of the squatting is thus miniaturized and lighter. In addition, the end face of the women's department of the hoisting retractor 6 is covered by the bell stick, so it is more than the conventional hoisting table plus... The grip puller can have an aesthetic shape. Furthermore, in comparison with the end of the swaying shaft, the drive shaft and the washer for the handle are attached. In the present bear, the length of the key strip can be adjusted without the need to touch the chain. Can be ' ^ ^ u叩j for a multi-functional roll Yang puller. Implement shape feed 2 Refer to Figure 2, Figure 3 and the sjgjg flute, degree! From the 5th to the 7th, the description of the idling spring mechanism of the second embodiment will be described. In the figure: lc is a fastening section provided at the end of the fitting portion of the brake plate 3 of the drive shaft ;; ld is a small diameter portion of the drive shaft!; & is a small diameter portion of the idler spring 6; 6b is a large diameter portion; 23 is a screw provided in the driving member and screwed into the multi-headed screw 22. Fig. 5 is an enlarged view of the whole of the idling spring mechanism, and Fig. 6 (y is a driving shaft i in Fig. 5) Enlarged view of the idling spring mounting part, ❾) 315402 (Revised version) 22 1317345 The picture shows an enlarged view of the idling spring. As shown in the figure, the small diameter buckle 1 rotation spring 6 installed on the drive shaft 1 has a card „ + 乂 1 1 c ϊ and the snap-on section 呷 $ of the drive member 5, the small-diameter portion 6a, and the brake plate fitting portion of the drive shaft 1::? The large diameter portion 6b has a diameter d2 of the portion 1d, a diameter of the small diameter portion 6a of the small diameter of the driving unit 1 is d4, a large vertical d3, and a wire diameter of the idling spring 6 is a spring ό When the inner diameter of d6/°P 6b is d5 and empty, the small diameter 6a _ card of the idle spring 6 is mounted on the surface of the drive shaft 1 to be rotated, and the screw groove drive of the idle spring 〇6 夕硕螺丝 22 is driven. The small straight portion 6a of the small diameter portion ld of the shaft 1 is fitted to the lower portion of the small acre; in addition, the large diameter portion 6b is a card for the dream. "Use the segment 1 c. 5b Leica is mounted on the drive member $ The section of the section is configured as described above, and according to the embodiment, the diameter of the mounting portion of the M^brake plate side is smaller than the driving structure; the side is formed by two

Tit: The brake plate port ΛΑ ΛΑ 装 装 装 装 ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ ΛΑ . The volume of the volume is shown in Fig. 7. In his embodiment, the brake member is mounted on the drive shaft 1 and the small spring 6 is provided in the first embodiment. Although the diameter portion 6 is attached to the drive shaft s segment portion lc, it is also used in the embodiment of the present invention. In the embodiment, when the ratchet 4 brake member and the drive shaft i are provided, For example, the hood (_) seat 27 315402 (corrected version) of the 7th (b) ” section is divided into two. 23 1317345 The small diameter portion 6a of the idling spring 6 is configured to be fitted to the end surface 27a of the hood seat 27. According to the above-described configuration, the same function as the embodiment shown in Fig. 5 is exerted. Further, at one end of the drive shaft 1, a guide roller 14a for guiding the chain wound around the load pulley 1〇 is provided, 14b, and by providing one of the guide rolls 14a, 14b on the same axis as the drive shaft 1, forming a structure circumscribing the chain 30 wound by the load sheave ι, and applying the effect of the above embodiment Compared with the conventional chain hoist that uses the guide roller Ma'Mb as a separate part and the shaft is supported by the frames 17 & 17b, it can be reduced The number of parts is small, and the hoist body can be miniaturized and lightened. At the same time, a hoisting retractor capable of reducing assembly time and low cost can be provided. Say " „ When the control lever 24 fitted to the driving member 5 is repeatedly rotated, the driving member 5 is moved against the idling spring by the transmission of a plurality of: 22, and the brake base 2 is pushed to The shaft of the drive shaft! is two-way = the brake base 2 is prevented by the bearing section of the drive shaft 1, and therefore, the drive member 5 is locked by the multi-headed screw 22. The brake plate 3, the ratchet 4, the brake The seat 2 and the drive shaft are driven by the chain to operate when there is no load. When the chain 5 is operated, the cow 5 is driven by the idling bullet 6 and the ratchet 4 and the ratchet 4 are in the direction of the loose. The driving pulp pulley 1G, the load gear brake base 2, and the driving member 5 body-spinning two-sleeve 30 are configured to be idling from the shackle of the squirrel. In addition, the knife 7 prevents the number of mails 7 from being excessively driven by the drive member 5 by idling 315402 (revision) 24 1317345. The end portion of the drive shaft 1 is provided with a broadcast according to the present invention. The diameter of the air side is formed by the engagement of the straight plate on the side of the drive member on the side of the brake plate. : The diameter of the small diameter portion can be formed smaller than that of the conventional hoist, and the diameter of the drive can be formed into a small diameter; the hoisting retractor of each part of the drive shaft.釭 釭 、 及 及 低成本 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 藉 藉 藉 藉 藉 藉 藉 藉 藉 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引 导引Quantification and cost reduction. The guide roller of the third embodiment will be described with reference to Figs. 2, 3, and 8 and the structure of the drive shaft. In the figure of the pulley and the like, 17a, 17b are used for the shaft bearing - one, the net is escorted (9): the frame is "the drive shaft, and the side of the frame 17a is fitted with the brake seat 221 brake plate 3 The ratchet 4 has a drive member 5 mounted on the multi-head screw η; and a bearing on the other side of the support frame Μ Uil guide 14a, 14b and the pinion gear 13. The pinion gear 13 is disposed at the end of the drive shaft 1 and is supported by the outer support frame i7b. The i4a system and the pinion are formed into a body and are supported between the support frames 17&, (7), and are used to (4) the unloaded side guide light of the unloaded heavy chain; the 14b series bearing between the support frames 17^, i7b And the load side guide roller for guiding the load chain; 2 is to allow the drive shaft 1 to move in the axial direction, and to synthesize the brake seat which cannot rotate relative to 25 31M02 (revision) 1317345; 4 is the bearing on the drive shaft 1 ratchet wheel; 3 is to make the ratchet 4 from the left: hold: the brake plate that is consumed by the drive shaft 1; 5 is the drive member screwed on the drive head: the head screw 22; 22 is a multi-head screw; a stopper mounted on the end of the drive shaft 1; a truncated pulley that the Z Maxing pinion 13 meshes; 1G is a load pulley that is coaxial with the load gear 12 and is supported between the frames m and 1713; 3G It is a chain wound around a load sheave. The two phases: the frame mm is centered on the side of the drive shaft 1 so that the brake base shaft 1G is fitted so as not to be relatively rotatable and abuts against the bearing section of the drive shaft. In front of the brake base 2, the ratchet wheel 4 held by the pair of brake plates 3 is supported on the drive shaft 丨, and the snap ring frame formed on the outer peripheral portion of the ratchet wheel 4 is attached to the frame m, and is buckled. The reversing prevention claw 21' of the anti-locking camber pressure causes the ratchet 4 to rotate in the winding direction. The driving member 5 is screwed to the multi-head screw I provided on the drive shaft i, and is rotated by a lever 24 fitted to the outer peripheral surface thereof. Also, on the drive shaft! On the other side, the unloaded side guide light 14 formed with the drive shaft is fixed to the doors of the frames 17a and nb, and the pinion 13 is protruded from the outer side of the support frame i7b. The pinion gear 13 is attached to the outside of the frame 17b and is engaged with the load gear 12 that is externally fitted to the pulley shaft U of the load sheave 10. Further, the load side guide roller (4) is provided on the opposite side to hold the unloaded weight roller 14a and the load pulley Μ, and is supported by the frames 17, 17b' for guiding the load side chain 3''. The operation of this embodiment will be described. When the control lever 24 of the driving member 5 is repeatedly rotated and rotated, the driving member 5 is moved in the direction of the movable plate 3 by the transmission of the multi-spiral, 4 22 against the idling * 6 (corrected version) 26 1317345. And pushing the control seat 2 to the wheel bearing section of the drive shaft ## Since the brake base 2 prevents the movement in the axial direction by the bearing section of the drive shaft i, the drive member 5 is locked by the multi-headed screw 22 Acting, and forming a body rotation with the brake plate 3, the ratchet 4, the brake base 2, and the drive shaft 1.

The unloaded side guide roller 14 and the pinion gear 13 rotate together with the drive shaft i, and rotate the load sheave pulley 1G by the carrier 4 gear 12, and are hoisted or pulled by the chain 3 卷绕 wound by the load pulley 10. As shown in Fig. 8, the chain 3 (3) is externally attached to the chain 3Q wound by the load sheave 1G, and the chain 3 () is guided to the load sheave 1 〇. As described in detail above, the hoisting retractor of the present invention is provided with a load side and a load-free side guide roller for guiding the chain 3 卷绕 wound by the load sheave H), and since the unloaded side guide roller is used 14a and the drive shaft} are arranged on the same-axis, which can reduce the number of parts and manufacturing man-hours, and can provide a small, lightweight and low-cost winch retractor. Although the example of the unloaded side guide light 14a and the _(four)j__ body shape will be described, the load-free side guide roller bearing may be formed on the drive shaft: in a rotatable state, and the load side may be also provided. Guide (4) ^ used in the above constituents. Next, when the unloaded side guide roller 14_moving shaft 1 body is formed, the unloaded side guide roller i4a rotates side by side with the pinion gear 13, but since the guide button 14 is not caused, the guide roller 14a generates friction without load. Force, so even if it is combined with the pinion 丨3 to form a repetitive body rotation, it will not cause the guide roller; Ua is received! The influence of friction or the like is preferably such that the weight-bearing side is formed as a body. Guide light ^ and drive shaft 1

27 317 317 345, according to the present invention, the non-cutting side guide roller and the drive shaft are arranged on the same axis as a part of the single-action shaft as a guide roller, therefore, the guide roller is made into fewer parts and the yoke is Compared with the conventional chain hoist of the frame, the number of the hoist can be reduced, and the body of the hoist can be miniaturized and lightened, and at the same time, a low-cost hoisting retractor can be used.

Eg is explained with reference to the second. Fig. 8 and Fig. 11 show the guide roller of the fourth embodiment

In the middle, the hoisting retractor has a hook 29a located above the upper portion and a hook 29b below the seat slit P; the body portion is provided with a circular chain of the load sheave 1 〇 '· rollable, σ : the load sheave 1G 3G; guiding the endless chain 3 to make it into the load sheave 1G' and sending it on the outer side of the endless chain without the load side. The unloaded side guide roller 14a of the crucible; and the inner guide member which is disposed close to the load αa and moves together with the unloaded side guide roller 14a to form the delivery port of the unloaded side endless chain Μ ^No load side guide The drive member 5 is rotatably provided to the speed reducer portion via the brake portions 2 to 4, and is constituted by a drive shaft 1 having a pinion gear 13 that can transmit the drive force of the drive member 5 to the load wheel 12 m is set on the same axis. 30a is a horizontal ring of the endless chain 3〇, and 3〇b is a vertical ring, and the unloaded side guide roller 14a is formed in a roller shape, and has a groove 14c in which the longitudinal ring 3 rib is fitted. The guiding surface of the inner guide 25 has a substantially v-shaped shape, and is provided with a positioning inclined guide that is slidably coupled to the horizontal ring 30 and adjusts the horizontal ring 3〇a to the load sheave surface of the load sheave in a parallel state. The end face of the 3Gb position of the 3Gb ^ position of the valley portion 25b ^ portion 25b is 315402 (revision) 28 1317345 is provided at the end to prevent the end of the end chain 25 from being caught on the load sheave 10 by the unloaded side. (^25d is attached to the end of the inner guide 25, and the inner guide 25 is attached to the mounting portion of the hoisting retractor body frame. 25e is from the lower portion of the load sheave 10 to the unloaded side guide roller 14& In the direction of /σ, the inclined portion of the load pulley is strictly connected, and the inclined guiding surface 25a which is close to the unloaded heavy guide roller 14 is provided, thereby having the function of improving the guiding property of the horizontal ring; Ub is the load side The inner guide 25 may be formed by punching or the like as shown in Fig. 9 and Fig. u, and may be formed by cold forging or precision as shown in the figure. Casting, and non-plate-like body in one-piece molding. & 4 eight: ruler on this embodiment The chain guide system according to the present embodiment includes a load-free side guide roller 14a having a groove 14c for a vertical ring, and an inclined surface 25a for guiding the horizontal ring. The inner ring 14 is formed by a substantially U-shaped guide portion 25 for the vertical ring guiding valley portion 25, and is provided at the front end of the inner guide member 2 to prevent the pulley from being loaded from the rim. 10, the front end projection 25ee of the unloaded chain roller loader pulley 1G is configured by the above-described configuration, and the inner ring guide 30# is guided by the winding operation of the endless chain 30 and the unloaded endless chain of the chain guide. The 钭 钭 钭 γ % & 祆 30 30 滑 与 与 与 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 The longitudinal ring 30 that reaches the chain guide is sent to the load sheave pulley 1 by the valley portion of the unloaded side guide inner guide 25 and the guide groove 14c. II 5402 (Revision 29 1317345 Therefore, The endless chain 30 is not buckled to the unloaded weight of the key chain: the guide pulley H), The damage can be smoothly sent to the damage caused by the chain during operation, and can be prevented from being wound up. When the winding operation is performed, the circular chain on the heavy side of the load sheave iq is embedded in, The longitudinal ring 30h of the groove of the α wheel 10 is set to be pushed out from the front end of the load pulley by the front end portion 25c provided on the inner guide 25, 5 #1Λ, *, 仵25. Therefore, when the winding operation is performed, the endless chain 30 can be prevented from being caught in the load sheave 10. According to the present invention, the inclination of the transverse ring is fed into the endless chain of the chain guide during the winding operation of the endless chain. It is subjected to the _ of the inclined surface of the inner guide member, and the position of the endless chain (4) at the load sheave is automatically adjusted so that the endless chain becomes the center of the load sheave, and the inclination of the longitudinal ring fed is also scented to 丨丨PP. The heart is limited, and since the longitudinal ring system is embedded in the groove of the outer guide member and the inner guide w β dry, the endless chain is located between the key bar guide and the load sheave. When it does not buckle on the outer guide,

: The 丨 page smoothly enters the roll and can prevent damage to the endless chain. The T-Shaped Bear W can be described with reference to Figs. 2, 3, and 12 to 14 to carry out the connection structure between the load gear of the center 5 and the load sheave shaft. In Fig. 12, '10 is the load sheave; 1 〇a is the shaft seat of the frame 丨 3 axis drop load sheave 10; u is the pulley shaft set at the front end of the load sheave 1G. In this embodiment, it is connected to the load sheave. The 'moon wheel # 11 of the axle seat 10a of 10 is provided with a top-to-side recess 11 a in the longitudinal direction of the shaft. The recess 30 315402 (revision) 1317345

The Ua is provided on both sides in the circumferential direction of the pulley shaft 11, and is inclined by the passage line lle passing through the axis of the pulley shaft 11 and inclined toward the axial direction, and the shaft seat 10a in the groove 4丄+ The side is provided with a planar restriction surface lu that restricts the movement of the load gear 12 toward the load sheave side. Fig. 13 shows a table load gear 12' 12a which is a convex portion fitted to a grooved mountain of the pulley shaft u and has a tilting surface 12b inscribed in the inclined surface (1) of the recess Ua of the pulley shaft U. 12c is the bottom of the tooth of the age of the ice, and the front of the tooth is 12d. The first and fourth figures show the state in which the load gear 12 is fitted to the load pulley 1 , and the load gear 12 is fitted to the grooved mountain of the pulley shaft u, and the inclined surfaces 11d and 12b are respectively formed. Connected to each other. Further, the load gear 12 is restricted from moving toward the load sheave 1 () side by the restriction surface lle provided at the end portion of the axle housing i 〇 a of the load sheave 1 。. Then, on the inner side of the gear cover, there is a (4) which is slidably coupled to the load gear 35 and is used to guide the I load gear, and at the same time, the convex ring 18a' which moves the load gear 12 toward the gear cover 18 side is restricted, and the load gear 12 is placed on the load. The face 11c of the pulley 10 and the convex ring i8a of the gear cover 18 are restricted from moving in the left-right direction. Further, in order to smoothly slide the convex ring 18a to the load gear 12, ::: is set to be smaller than the diameter of the tooth bottom A of the load gear 12, and the inner diameter is set to be larger than the outer diameter 11 of the pulley shaft 11. b is bigger. According to the present embodiment, in order to ensure the strength of the shaft by thickening the pulley shaft or the like in order to apply the chemical transformation to the entire circumference of the pulley shaft, the groove is formed only in the pulley shaft. It is not necessary to form a concave portion on the entire circumference of the pulley shaft, and thus it is advantageous in strength. Further, the groove has an inclined surface which is restricted by a line of the center of the pulley by 315402 (Revision) 31 1317345, so that Torque transmission. It is formed in the circumferential direction so that the engagement surface with the load gear is perpendicular to the inclination 2, so that the torque transmission loss can be reduced, and the load applied to the pulley shaft during torque transmission can be reduced. The amount of the groove is reduced or the shape is reduced, and the groove can be processed extremely easily. In addition, compared with the case where the pulley shaft is provided with a spline or the like, since the machining retraction portion is required to be provided on the pulley shaft, Therefore, the hoisting retractor can be made small: lightweight, and low in cost. Next, since the groove J w of the embedded heavy-duty gear 12 is thin, the splicing method is simpler than the spline or the like, and the load pulley can be carried out. Casting Simultaneous machining of working hours' Therefore, the lifting cost of the pulley shaft can be lower than that of the conventional device, and the processing time can be reduced, and the productivity can be improved. Further, the convex ring is arranged on the inner side of the gear box, so There is a need for a movement restricting member for restricting the movement of the load gear toward the gear box side, and the cost can be reduced. In addition, in the above-described embodiment, the bear 尨 ' _ only 11 ❿ 甲 系 系 系 系 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有 设有It is also possible to set up Jinci _ plus j as one, or three to four as needed. In addition, although the description will be limited to, 鄱A, the convex ring that restricts the movement of the load gear toward the gear cover side It is disposed inside the gear box and can be placed on the side of the gear box. However, the convex ring can also be placed at the end of the gear box on the side of the gear. According to the above description, the conventional spline etc. The pulley shaft does not need to be added to the wheel to 'set the groove on the pulley shaft to take 'and because the groove is embedded in the recessed part of the heavy-duty work, the device can be 315402 (revision) 32 1317345 Become a small 彳, & County & am p; Q &, quantified and low-cost, at the same time, because the groove is inclined toward the axis of the pulley & screen /, prepared for the circle a, the torque transmission direction can be formed into the 0-cycle direction and the torque can be made The conveyance proceeds smoothly, and the negative enthalpy applied to the 'moon wheel shaft can be reduced, so that the number of grooves can be reduced, or the shape can be made small, and extremely easy groove processing can be performed, and 1, since the casting of the load sheave is performed. The force of the groove can be simultaneously performed during the processing. Therefore, the processing cost of the pulley shaft can be greatly reduced, and the movement restricting member of the heavy pulley is not required to be placed in the gear case (4), so that the cost can be reduced. Embodiment 6, lower > ..., FIG. 2 and FIG. 6 to FIG. 18 illustrate the implementation of the fourth embodiment of the present invention. In the figure, 18 is a gear cover which is covered on the side of the load gear 12 of the hoisting retractor body. The gear is provided with a screw hole of the screw bolt 16 and a recess 18b fitted to the small diameter portion of the spacers 15a, i5b, and is provided with an inner end surface 18c protruding toward the inner side for clamping the frame. . 19 is a brake cover that covers the brake mechanism of the hoisting retractor body, and is provided with a bolt insertion hole 19a into which a bolt to be described later is inserted, a recess 19b of the fitting pad small diameter portion 15d, and an inner end surface of the clip frame. I9c. Further, the brake cover 19 is provided with a protruding portion 19d which protrudes only from the space portion of the brake mechanism, and has a seat portion 19e for accommodating the head of the bolt. The support frames 17a and 17b of the hoisting retractor main body are provided with holes for fitting the small diameter portions 15d of the hollow spacers 15a and 15b, and are restrained between the frames by the segments 15f provided in the hollow spacers 15&, i5b. The spacing is then locked to the body by bolts 16 that are received in the hollow gaskets 15, 15b. 15a, 15] 3 is used to limit the mounting position of the frames 17a, 17b and the middle 315402 (corrected version) 33 1317345 empty padding of the space between the frames 17a, 17b, and has a small diameter portion 15d at both ends. The small diameter portion of the hollow spacer 15a on the side of the load gear 15 is fitted into the hole portion of the frame 17a and the inner concave portion 18b of the gear 盍18, and the small diameter portion 15d of the brake mechanism is fixedly coupled to The hole of the frame 17b is Qiu Jin, and the recess 1 9b on the inner side of the brake cymbal 19. The load gear 彳f of the hollow gasket 1 5b is fitted to the inner concave portion 18b of the gear cover 18, and the small diameter portion 15d of the brake mechanism is fixedly fitted to Frame 17b: ?丨λκ ^ . . Further, the portion of the reverse rotation prevention claw 21 that is engaged with the ratchet 4 is formed into a small diameter portion (5)' and is sleeved to reverse the prevention claw 21. The hollow gasket is separated by three restriction frames i7a, i7, and at the same time, because the hollow liner is small straight, the p 19b is fixedly fixed to the hole portion provided in the frame, and the wheel cover. 1 8 00 Qiu 1 δ Vi Τ - I» Ar / r concave. P 18b, and the frame 17, m and other parts can be assembled in a simple manner without gaps, and can be restricted relative to the lining The county of the pad 15 is offset in the direction perpendicular to the longitudinal direction. In addition, the frame woods 17a and 17b are clamped and fixed to the inner end faces of the hollow gasket 15, the segment of the casing, the gear cover 18, and the brake cover 19. 18e and i9c. Further, the middle portion 15b has a segment portion 15g for restricting the movement of the reverse rotation prevention claw in the axial direction. 16 is a bolt for providing a hexagonal hole to the head, and is provided from the brake cover 19. The bolt insertion hole 19a is inserted into the hollow gaskets 15&, i5b, and the ends thereof are screwed and fixed to the screw holes of the gear cover 18. Therefore, when the bolts 16 are locked, the frames 17a, 17b are supported by the gear cover. The inner end surface (8) of the 18 and the segment 15f of the hollow spacers 15a, 15b are positioned and clamped and fixed. The present invention provides a small and exquisite hoisting retractor, characterized in that: a segment Hf disposed between the gear cover 18 and the brake cover ,, and disposed on the joint surface of the frame 17a, 17b; a gasket 15a, 15b having a fitting 315402 (revision) 34 1317345 combined with the gear cover 18 and the small diameter portions 15d of the recesses l8b, l9b of the brake cover 19; and a through-insertion provided in the gasket 15, 丄% a hole extending through the bolt 16 fixed to the brake cover 19 and the gear cover 18; and the frame 17a, 17b is clamped and fixed to the end portion i5f of the gasket 15a, 15b and the inner end surface of the gear cover 18 and the brake cover 19, The body frame 17a, 17b of the axle load pulley can be arranged to be spaced apart by the sections of the hollow spacers 15, 15b, and the frame is positioned, and the frames 17a, 17b are clamped and fixed by the locking bolts 16. The end portions Hf provided in the spacers 15a, i5b and the inner end faces of the gear cover 18 and the brake cover 19, and by the small diameter portions 15d of the outlines 15a, 15b, the holes of the frame 17 & i7b are fitted The recess 18b of the gear cover 18 and the recess of the brake cover i9 are not between the frame and other parts. The gap is generated, so that an abnormal phenomenon such as offset does not occur during assembly of the component. Further, since the bolt 16 is inserted into the hollow gaskets 15a, 15b from the side of the insertion hole 丨% of the brake cover 19, The end screw is fixed to the screw hole of the gear cover 18, so when assembled, the gear cover 18 is directed downward, and after the other components such as the gear or the brake mechanism are mounted, the brake cover 19 is covered, and the brake is applied. The fixing bolt 16 is inserted above the cover 19, so that a hoisting retractor that can be easily assembled and disassembled without flipping the body can be provided. Furthermore, since the head of the bolt 16 is received in the seat portion of the brake cover 19, and the end portion is screwed into the screw hole of the gear cover 18, the nut is not required, and since the bolt type is not exposed The external structure can provide one: solution: _ generation, or a hoisting retractor that is difficult to solve due to the damage caused by the screw inspection when the body is dropped. 315402 (Revised) 35 1317345 In addition, since there is no need to use a nut and a bolt with a hexagonal hole in the head, a small hoisting retractor that suppresses the space of the gear cover 18 and the wrench on the brake cover can be provided. . Further, in the above-described embodiment, the hollow spacers 15a and 5b are used as the description. However, the present invention is not limited thereto, and the hollow lining is used as the spacer, but it is not necessarily hollow. The frame is positioned, if the frame clip can be placed between the gear box and the inner side of the brake cover. The same applies to the case where the bolt is inserted into the spacer. However, the spacer may be formed without interposing the spacer. Next, other embodiments will be described with reference to Figs. 16 to 19. 15e is a spring wound portion provided to be connected to the small diameter portion 15d of the hollow gasket i5b, so that it can be formed to be the same as the small diameter portion d5d, or can be formed to have a smaller diameter than the small diameter portion 15d. L5i is a claw attachment portion of the pivotable claw 21, and may be formed to have a smaller diameter than the spring winding portion 15e. The diameter may be the same as that of the spring attachment portion 15e. [5h is a flange portion provided between the spring mounting portion 15 and the claw mounting portion 15i for restricting the movement of the spring 20 toward the claw 21 side. 21 is a reverse preventing claw, 20 which is attached to the claw ampere 15i of the hollow cushion 15a, and has a frame side engaging portion 20a and a flange 15h which are slid over the frame 17b as shown in FIG. The claw-side locking portion 20b of the anti-reverse claw 21 is stopped, and the spring-loading portion i5e of the hollow lining 15a is wound by a magazine that biases the reversing preventing claw 21 in the clockwise direction in the drawing. In the present embodiment, since the flange 15h is provided between the spring winding portion 36 315402 (corrected version) 1317345 15e of the hollow gasket 15 and the claw mounting portion i5i of the shaft-mounted reverse preventing claw 21, the spring is restricted 2, the reverse direction prevents the movement of the claw 21 side, and when the rotation preventing claw 21 is attached, since the spring 2〇 can be prevented from falling off to the claw attachment portion 15i, the fall prevention member is not required, and is as shown in Fig. 16.亍: Since the hollow spacer 15a can directly abut against the brake cover 19 to restrict the reverse rotation prevention claw, it is possible to provide a hoisting retractor that is easy to assemble. In the seventeenth embodiment, the spring winding member 28 is fixed to the spring winding portion 15e, and the spring reducing member 28 having the flange 28a on the side of the reverse rotation preventing claw η is attached, and the spring 20 is wound around the spring member 51 to elastically reverse the preventing claw 21. In the present embodiment, as in the above-described embodiment, the movement of the side of the pawl 21 is restricted by the flange 28a, and the hollow spacer 15a can be removed without assembling the member during assembly. The reverse rotation prevention claw 21 is restricted by directly abutting against the brake cover 19. The reversal preventing claw 21 of Fig. 18 protrudes toward the spring winding portion i5e, and is provided with a protruding portion 2U that abuts against the side surface of the spring 20, and the spring 20 is restrained toward the reverse preventing claw 21 side by the protruding portion 2 Since the movement is the same as the above-described configuration, the restriction spring 2 is moved toward the reverse rotation prevention claw 21 side. Therefore, in the assembly, the anti-drop member is required, and the hollow (4) (5) is directly attached to the brake cover 19 to restrict the reverse rotation prevention claw 21. Further, the form of the protruding portion 21a is not limited to that shown in Fig. 18. Alternatively, the protruding portion 21a may be inserted between the spring winding portion 15e and the spring without being in contact with the side surface of the spring 2Q. The spring 2 () moves toward the reverse prevention claw 21 side. Fig. 19 is a side view showing the mounted state of the spring 20. 19, 315,402 (Revised) 37 1317345 f, 20a is a spring 2 〇 buckled to the frame side buckle of the frame "b", 2 is: the claw side buckle of the reverse prevention claw 21, and Μ : : : : : : : : : : : : : : 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆 逆The reaction force of the urging action is such that the elastic crest winding portion 2 〇c extending from the claw side engaging portion 20b of the spring 2 causes the elastic cleaving portion to be elastically biased toward the magazine winding portion 15e side.俾 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧 弹簧Therefore, the flanges 15h, 28a, and 2u need only be formed in the shape of the spring-wound portion 2Ge, and the flanges or 28a, 21a are formed only to limit the spring winding. The shape of the portion 2〇e can reduce the weight of the flange. In addition, in the above embodiment, the shape of the hollow flange can be used, but The body may be defined as a hollow flange, and may be configured as a shaft body capable of reversing the spring of the anti-claw prevention claw. According to the present invention, since the body frame of the hoisting retractor is limited by the section of the hollow pad The frame is positioned at the interval, and the frame is locked and fixed between the segment provided on the lining and the inner end surface of the gear case and the brake cover by the lock screw, so that the frame can be easily positioned without It will cause abnormal phenomena such as offset between the frame and other parts, and provide a sturdy, small, lightweight, easy-to-assemble, easy-to-decompose hoisting retractor, and further, due to the spring attached to the pad. A restriction member such as a flange is provided between the package portion and the claw attachment portion, and the movement of the spring toward the claw side is restricted. Therefore, when the claw is assembled, 315402 (revision) 38 1317345 can prevent the spring from falling off to the claw attachment portion. It is not necessary to use a conventional anti-loose member to make the pad directly abut against the brake cover and to limit the claws, and the _ 姐 _ 乂 乂 乂 乂 乂 乂 乂 乂 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Availability) As detailed above, It is known that in the hoisting retractor provided with the idling grip, it is necessary to limit the rotation of the driving member to limit the construction of the invention towel, & i Ί~ ^ Ψ by providing the above-described blocking member, it is not necessary Restricting the member, and since it is a structure that does not fix the idling grip to the driving member, 2 must enlarge the diameter of the driving member, and the hoisting retractor can be miniaturized, lightened, and covered with an idling grip. The end surface of the lever mounting portion of the lifter can be formed into a more beautiful shape than the conventional hoisting retractor. Further, the driving member and the control rod are disposed at the end of the driving shaft; As a matter of course, a multi-functional hoisting retractor can be provided because the chain length can be adjusted by the idling grip. Further, according to the present invention, the brake plate of the idling spring is embedded The side of the mounting side is formed to have a smaller diameter than the side of the driving member, and the small diameter portion is fitted to the locking portion provided on the side of the mounting side, so that the diameter of the driving shaft can be made smaller than that of the conventional example. Can also be mounted on the parts of the drive shaft Diameter formation: 直直彳2, can provide small, lightweight and low-cost hoisting 32. ° Also, because the guide roller is placed on the same axis as the drive shaft. The conventional hoisting of the yoke to the frame as a separate part of the guide roller: the 杈' can reduce the number of parts, reduce the size of the hoist body, and provide a reduction in assembly man-hours. And the low-cost hoisting reel is fed into the endless chain of the key strip 39 315402 (corrected version) 1317345 when the winding operation of the endless chain is carried out, and the horizontal ring is restricted by the inclined surface of the inner guide member. The inclination of the longitudinal ring fed into the chain guide is also limited. Since the longitudinal ring is embedded in the groove of the outer guide and formed into a cross shape with the horizontal ring, the circular chain is not caused. The outer guide is fastened to the outer guide, and the winding operation can be smoothly performed, and the groove is provided on the pulley shaft to replace the conventional key, and the heavy gear is embedded in the groove, so that it is not required to be provided on the pulley shaft. The retracting portion for processing can reduce the size, weight, and cost of the entire device, and the groove has an inclined surface that is inclined toward the axial direction of the pulley. Therefore, the torque transmission direction can be formed in the circumferential direction. And the torque is transmitted smoothly, Reducing the load applied to the pulley shaft, thereby reducing the number of grooves and making the shape of the groove smaller, and making the processing extremely easy to enter the lamp, and further, since the hoist body frame is by the section of the pad The portion is spaced and positioned, and when the bolt is locked, the frame is clamped and fixed to the inner end surface of the gear portion and the brake cover provided at the section of the gasket, so that the frame can be easily positioned and locked. In the frame, since there is no gap between the parts, an abnormal phenomenon such as a deviation between the frame and the other parts is not generated, and a small and delicate hoisting retractor can be provided. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view of the hoisting retractor of the present invention. Figure 2 is a side cross-sectional view of the hoisting retractor of the present invention. Figure 3 is a bottom cross-sectional view of the hoisting retractor of the present invention. Fig. 4 (a) and (b) are plan views showing the stopper of the first embodiment of the present invention. Fig. 5 is a front elevational view showing a portion 315402 (corrected version) 40 of the idling spring related mechanism according to the second embodiment of the present invention. Fig. 6(a) shows a hollow rotary spring ampere of Fig. 5. Fig. 6(b) is an enlarged front view of the idling spring. Zoom in front view Figure 7 (a) shows the idle spring of other embodiments

Fig. 7(b) is a cross-sectional view of the guide seat portion of Fig. 7(a). The eighth lap is the front view of the chain guide according to the third and fourth embodiments of the present invention. The ninth lap is a plan view of the chain guide according to the fourth embodiment of the present invention. The first row shows a plan view of another form of the key bar guide. Figure U (a) shows a plan view of the inner guide of Figure 9. Figure U (b) shows a front view of the inner guide of Figure 9. Breaking U圜(c) indicates the right side view of the inner guide of Fig. 9. Fig. 12(a) is a view showing the arrangement of the load sheave of the fifth embodiment of the present invention. 12(b) is a front view of the load sheave of the fifth embodiment of the present invention. FIG. 13(a) is an enlarged cross-sectional view of the load sheave of the fifth embodiment. FIG. Figure 4 shows the assembly of the load sheave and the load gear and the side view of the state. Figure # The garden is the A-A cross-sectional view of Figure 14. The 丄/阛 shows an enlarged side view of the sixth embodiment of the present invention.笫I6圚 41 315402 (Revised Edition) 1317345 Figure 17 shows an enlarged side view of the spring of the brake device and the reverse prevention claw. Fig. 18 is an enlarged side elevational view showing another form of the spring of the brake device and the reverse spring. Figure 19 is an enlarged front view of the reverse prevention claw. Fig. 20 is a schematic view showing a conventional example of the first embodiment. Fig. 21 is a schematic view showing a conventional example of the second embodiment. Fig. 22 (a) and (b) are schematic diagrams showing a conventional example of the third embodiment. Fig. 23 (a) and (b) are schematic diagrams showing a conventional example of the third embodiment. Fig. 24 is a side view showing a conventional example of the fourth embodiment. Fig. 25 is a side view showing the load sheave and the load gear in Fig. 24. Fig. 26 is a view showing an outline of a conventional example of the hoisting retractor of the fifth embodiment. [Description of main component symbols] 1 ' 31 , 55 , 70 Drive shaft 1 a Drive shaft end lb Buckle groove 1〇/J, Diameter fastening segment Id Small diameter part of the drive shaft 1 ea, Brake plate fitting Part 2, 88 Brake seat 3, 33, 87. Brake plate 4 Ratchet 5' 35 Drive member, 38 drive member projection 6 Slip spring 6a, I5d Small diameter portion 6b Large diameter portion ? stopper? b Screw hole 7a By the groove 42 315402 (corrected version) 1317345 7c' 11a, 14c 8, 4 1 idling grip 9 screw 10, 50, 71, 89 10a The pulley seat 11c of the load pulley 11c, 12b '25a5 12, 73 load gear 12a, 38 convex portion 12d tooth front portion 13' 51, 70a 14 guide roller 14a > 52b 14b, 52a 15a, 15b 15e spring winding portion 15f, 15g 15h, 21a, 28a 15i claw mounting portion 17, 53, 84 17a , 17b 18 , 74 , 82 18a convex key 18b , 19b concave groove 8a bearing part load pulley 11 , 72 pulley shaft inclined surface 12c gear tooth bottom pinion no load side guide roller load side guide roller hollow spacer section Flange 16, 85 bolt frame frame (support frame) gear Recessed portion 43 315402 (revision) 1317345 18c, 19c inner end surface 19, 83 brake cover 19a bolt insertion hole 19e seat portion 20, 40 spring 20a frame side fastening portion 20b claw side fastening portion 20c spring winding portion 21 reverse rotation prevention Claw 21a Projection (Flange) 22 Multi-headed screw 23 Inner screw 24 Control lever 25, 60 Inner guide 25a Positioning inclined guide surface 25b Positioning valley portion 25c Front end projection 25d Mounting portion 27 Leading seat 27a Leading seat End face 28 spring retaining member 29a upper hook 29b lower hook 30, 54 chain (annular chain) 30a circular ring 30b of endless chain longitudinal ring 36 of annular chain concave groove 37 opening 39 restricting member 39a restricting member convex portion 43 handle ( Control lever) 60a guiding plane 61 guiding member 61a cross guide 72c standard surface 72b spline 72e escape portion 86 nut 44 315402 (revision)

Claims (1)

!317345 Pickup, Patent Application Range··1· A hoisting retractor is provided with: a pressure-receiving member embedded in the drive shaft; and a pair of brake plates attached to the pressure-receiving member and embedded in the drive shaft; a ratchet wheel disposed between the brake plates; a drive member screwed to the drive shaft by crimping and separating from the brake plate; a slosh spring interposed between the drive shaft and the drive member; and an armor mounted on the outer periphery of the drive member Rotating the control rod of the driving member; rotating the driving member by the brake plate and rotating the driving shaft, thereby rotating the load carrying pulley in conjunction with each other, wherein the end surface of the driving member is provided with a buckle that is fastened to the driving shaft Stop and fix the idling grip on the outside of the brace. 2. If the patent application range ^ ^ ..... - - π τ, you can set either the S ^ member or the stopper to set the convex portion, and the other side to set the concave portion to allow the driving member to be fitted. Yu Yuzhi. For example, the application of the 专利 专利 专利 , , , , , , , , , 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利a stopper member, and a driving member and an idling gripper f; a hoisting retractor, and the member '· is connected to a ratchet that is attached to the a-member and is embedded in the movable shaft and disposed between the brake plates · ί 轴 —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— —— It is separated from the brake plate: between the part and the driving member, and is driven to make the idle spring: the elastic volute of the spring; the feature is: the side of the mortise is formed smaller than the side of the driving member. 45 1317345 = position χ 7 The small diameter portion is fastened to the buckle provided in the brake plate fitting portion. 5. The hoisting retractor according to item 4 of the patent application scope, wherein the small diameter portion of the air is buckled at The small diameter buckle of the drive shaft. ' 6. The hoisting retractor of claim 4 or 5, wherein the guide shaft is disposed on the same shaft as the drive shaft. (4) The guide roller of the chain@the external connection of the guide roller to the key bar wound by the load sheave pulley. 7. The hoisting retractor according to item 6 of the patent application scope, The guide member is integrally formed with the drive shaft. 8. - A type of hoisting puller' system having: a pressure member attached to the drive shaft by iron; a brake pair attached to the driven shaft and mounted on the drive shaft a ratchet disposed between the brake plates; a drive member screwed to the drive sleeve in a manner of crimping and separating from the brake plate; a pinion gear disposed at one end of the drive shaft; and a load coupled to the pinion gear a load carrying pulley driven by the gear; and a guide roller for guiding the chain wound around the load sheave; characterized in that: a guide roller is arranged on the coaxial axis of the drive shaft, and the external connection is connected to the chain wound around the load sheave 9. A hoisting pull 11 having: a pressure-receiving member embedded in a drive shaft; a pair of brake plates attached to the party pressure member and embedded in the drive shaft; and a ratchet disposed between the brake plates; a driving member screwed to the driving sleeve in a manner of being crimped and separated from the brake plate; a pinion gear provided at one end of the driving shaft; a load pulley 驱动 driven by the load gear engaged with the pinion gear and used for guiding Nothing wound around the chain of the load sheave Heavy side guide roller; its special 315402 (revision) 46 1317345 is enlisted. The unloaded side guide roller is integrally formed with the drive shaft. ι〇·: kind of hoisting retractor, which has: embedded in the drive connection The pressing member is mounted on the pressing member of the driving shaft; the ratchet between the brake plates; the way of crimping and separating from the brake plate = the driving member on the moving shaft; the driving member by the brake plate: turning 2 to drive The shaft rotates, thereby interlocking to rotate the endless chain wheel to rotate the endless chain; and is characterized by: having a load-bearing side on the unloaded side of the endless chain of the load-bearing wheel, relative to the load-bearing chain from the load-bearing pulley The outer side is provided with an outer guide for guiding the longitudinal groove of the endless chain:: and the inner side of the endless chain is provided with an inner guide having an inclined surface for positioning the endless chain of the endless chain . 11. The hoisting retractor according to claim 10, wherein the guide surface of the inner guide is formed in a substantially v-shape, and the inclined guide surface for the horizontal ring positioning and the valley for the vertical ring positioning are provided. unit. 12. A hoisting retractor comprising: a pressure-receiving member embedded in a drive shaft; a pair of brake plates coupled to the pressure-receiving member and embedded in the drive shaft; and a ratchet disposed between the brake plates; The driving member is screwed to the driving shaft in a manner of being pressed and separated from the brake plate; and the rotation of the driving member is transmitted to the load sheave and rotated by the brake plate, the reduction gear, and the load gear, and is characterized in that: a pulley shaft that is loaded with a heavy gear at an end portion of the load pulley, and a groove having an inclined surface that extends in the longitudinal direction and is inclined toward the axial direction, and the load gear is disposed on the inner circumferential surface and inclined with respect to the groove The convex part that is inscribed in the face. 13. The hoisting retractor of claim 12, wherein the groove system 315402 (revision) 47 1317345 is continuously disposed in the bearing portion of the load sheave and has a planar shape at the bearing side end of the groove. The load gear limit surface. 14. The hoisting retractor of claim 12 or 13, wherein the load gear is constrained by a convex ring disposed inside the gear cover. 15. A type of hoisting retractor, comprising: a pair of frame-loading gears supporting a load-bearing pulley covering a side of the frame (four) wheel cover covering the other side of the brake cover; the gear cover is Between the system, the section that is positioned to abut the frame; and the small head of the cover of the brake cover, and the cover of the cover; and the bolts fixed to the system 2 and the gear cover; The clip is fixed to the segment of the lining and the inner end surface of the gear cover and the brake cover. 1 6· A hoisting retractor, which has a pressure-receiving member embedded in the drive shaft. The dust-receiving member is embedded in a pair of brake plates of the drive shaft; The ratchet wheel; in the way of connecting and separating from the brake plate, the screw is driven by the drive member of the drive shaft. And by the wheel, the (four) plate, the wire is reduced, and the load tooth is marked as having 4 load-bearing pulleys. Special ^ ^ ^ 丁^永' will cover the load gear ^: it: the side of the gear cover; the brake mechanism is covered on the other side of the 1:::, between the gear cover and the brake cover, abut the frame And the pad; the spring loaded on the pad ^ and the (four) spring and the part; the arm is prevented from being clawed; the outline is set between the elastic crest portion of the packaged elastic: 1 claw claw mounting portion, The spring winding portion is attached to the claw and has a restriction mechanism 315402 (revision) 48 1317345 which restricts the movement of the elastic to prevent the side movement, and the spring end of the spring is fastened to the frame, and the other end is buckled to the claw. I7. The hoisting retractor 'where' of the refitting section of claim 16 is disposed at the flange of the elastomeric package. The hoisting retractor of claim 16, wherein the restricting member is provided on a flange of the spring holding member externally attached to the spring winding portion of the lining. 315402 (revision) 49 1317345 Figure 9 9/26 1317345 柒, designated representative map: (1) The representative representative of the case is: (2). (2) The symbolic representation of the symbol of the representative figure is as follows: 捌 If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: 1 drive shaft la drive shaft end lb buckle groove 2 brake seat 3 brake plate 4 Ratchet 5 drive member 5a drive member projection 6 idle spring 7 stop member 10 load pulley 10a load pulley pulley seat 11a, 14c groove 8 idling grip 8a bearing portion 9 screw 13 pinion 14a load-free side guide roller 15a , 15b hollow gasket 16 bolt 17 frame 17a, 17b frame (support frame) 19 brake cover 20 (spring 22 multi-head screw 23 inner screw 5 315402 (revision)