WO2005026037A1 - 巻上牽引機 - Google Patents
巻上牽引機 Download PDFInfo
- Publication number
- WO2005026037A1 WO2005026037A1 PCT/JP2004/013985 JP2004013985W WO2005026037A1 WO 2005026037 A1 WO2005026037 A1 WO 2005026037A1 JP 2004013985 W JP2004013985 W JP 2004013985W WO 2005026037 A1 WO2005026037 A1 WO 2005026037A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frame
- drive
- hoisting
- traction machine
- chain
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
- B66D3/16—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable operated by an endless chain passing over a pulley or a sprocket
Definitions
- the present invention relates to a hoisting traction machine. More specifically, a chain guide groove and a chain entanglement prevention projection are provided below and below a load sheave accommodation space provided in a hoisting traction machine main body frame.
- the present invention relates to a hoisting and pulling machine provided with a bottom plate having the same, and the bottom plate is integrally formed with a main body frame.
- a hoisting and pulling machine in which a main body frame having a load sheave accommodating space is integrally formed by die casting is known (for example, Patent Document 1).
- a hoisting traction machine described in Patent Document 1 will be described with reference to FIG.
- the load sheave accommodating space 47 is integrally formed with a main body 41 integrally formed with the load sheave accommodating space 47 by die casting.
- Opening An opening 46 composed of one through hole is integrally formed with the main body 41, and a cross-shaped cross-shaped chain conduction path 44, 45 is formed on the open end side below the opening 46.
- a vertical hole portion 46d and an outer horizontal hole portion 46a of the regulating hole are provided.
- Patent Document 1 Japanese Patent No. 2709883 (P.2-3, FIG. 3, FIG. 4)
- the chain conduction path 4 4 A vertical hole 46 d that forms the cross control hole 45, an inner horizontal hole 48 c
- the guide body 48 provided with the part 48a for preventing the entrainment is formed separately from the main body 41, so that the number of parts is large, and the chain guide body 48 is fixed to the main body 41.
- the upper hook is A mounting shaft with a screw is provided at the lower part, this mounting shaft is passed through the through hole of the body 41, fixed with a circular nut, split pin, etc., and the upper hook rotates only about the vertical axis.
- the movement of the upper hook is restricted, and the number of parts is large and the assembly cost is increased. Disclosure of the invention
- a hoisting and traction machine includes a drive shaft that drives a load sheave, and a drive shaft that transmits the drive shaft drive to the load sheave.
- a hoisting traction machine equipped with a speed reduction mechanism and, on the other hand, a drive mechanism for transmitting the drive from the operating means to the drive shaft via a brake means and a pressure receiving means.
- a drive-side frame having a drive-side force-par mounting portion; and a connection frame that supports a load sheave and that connects and connects the two frames in opposition to each other.
- the frame has a hook mounting portion for suspending the hoisting machine main body above the main body frame, wherein the reduction-side frame, the driving-side frame, and the connection frame are integrally formed.
- the hook mounting portion is provided above the connecting frame of the two frames, the upper hook can be pivotally supported, and the number of parts and the number of assembling steps can be significantly reduced as compared with the conventional hoisting traction machine. Accordingly, it is possible to provide a hoisting traction machine having a speed reduction mechanism capable of reducing costs and reducing the size of the main body, in particular, reducing the size of the main body in the vertical direction.
- the hoisting and traction machine according to claim 2 is characterized in that the hook attaching portion is provided near the vertical line of the axis of the load sheave.
- a hoisting traction machine that can reduce the degree of inclination of the frame body when there is no load and when there is a load by being provided on the center of gravity side.
- the connecting frame is provided at the lower end thereof with the body frame.
- a pair of cruciform guide holes that are formed integrally with the arm and communicate with a guide groove that guides the chain wound around the load sheave; and a chain wrap that projects toward the load sheave between the pair of cruciform guide holes. It is characterized by having a frame bottom plate provided with a projection for preventing, and a frame bottom plate provided with a cruciform guide hole and a projection for preventing the chain from being entrained is integrally formed with the main body frame to achieve the conventional hoisting traction.
- the number of parts and the number of assembling steps can be greatly reduced as compared with a machine, and a hoisting traction machine that can reduce costs and reduce the size can be provided.
- the hoisting and traction machine according to claim 4 is characterized in that the drive-side frame has a drive-side projection that covers the drive mechanism and supports the brake means.
- the hoisting and traction machine includes a drive-side frame having a drive-side cover mounting portion outside the drive-side protrusion, and a chain that supports the load sheave and winds around the load sheave. It is characterized by having a guide groove for guiding, and has the same action as the inventions according to claims 1 to 3.
- the deceleration side frame and the drive side frame have a chain end mounting shaft mounting hole for mounting a no-load side end of the chain, and the hook portion is provided.
- a load sheave bearing hole is provided below and a reduction gear bearing bearing hole is provided above and below the line connecting the two mounting holes for the chain mounting shaft.
- the force-par mounting portion is provided with a flange portion left from the peripheral edges of the drive-side and the deceleration-side frames by the thickness of both covers, and the force-par is provided. It is characterized by a cover fitting part with a step part to fit, minimizing the external shape of the main body, allowing the cover to be firmly attached to the frame, and the position of the cover. It is possible to provide a hoisting tractor that can be easily adjusted.
- the invention according to claim 8 is characterized in that a groove for removing a power paper is provided at an upper end or a lower end of a flange portion, and to provide a hoisting and pulling machine capable of easily removing a cover from both frames.
- a groove for removing a power paper is provided at an upper end or a lower end of a flange portion, and to provide a hoisting and pulling machine capable of easily removing a cover from both frames.
- FIG. 1A is a front sectional view of a hoisting traction machine according to a first embodiment of the present invention
- FIG. 1B is a sectional view of a load sheave portion.
- FIG. 2 is a side sectional view of the frame of FIG.
- FIG. 3 is a front sectional view of the frame of FIG.
- FIG. 4 is a bottom view of the frame of FIG.
- FIG. 5 is a side view of the frame on the reduction gear side.
- Figure 6 is a view of the brake HE! L of the frame.
- FIG. 7 is a front sectional view of a hoisting and traction machine according to Embodiment 2 of the present invention.
- FIG. 8 is a side sectional view of the frame of FIG.
- FIG. 9 is a front sectional view of the frame of FIG.
- FIG. 10 is a bottom view of the frame of FIG.
- FIG. 11 is a side view of the frame on the deceleration side.
- FIG. 12 is a side view of the brake of the frame.
- FIG. 13 is a cross-sectional side view of a frame of a conventional hoisting traction machine.
- Fig. 1 (a) is a front sectional view of the hoisting and traction machine according to the first embodiment of the present invention
- (b) is a sectional view of a load sheave
- Fig. 2 is a side sectional view of the frame of Fig. 1
- FIG. 5 is a side view of the frame on the reducer side
- FIG. 6 is a side view of the frame on the brake side.
- 1 is a load sheave
- la is a chain engagement groove
- lb is a flange concave portion
- 2 is a drive shaft
- 3 is a reduction gear
- 4 is a brake receiver as pressure receiving means
- 5 is an end of the drive shaft 2.
- pinion 6 is slider
- 7 is idler
- 8 is one-way clutch inner ring
- 8a is brake plate
- 9 is one-way clutch roller
- 10 roller support ring
- 11 is chain
- 30 Are eight-wheels, and these parts constitute the drive and braking parts of the hoisting traction machine.
- Reference numeral 12 denotes an upper hook for suspending the main body frame.
- 13 is the frame body, which is formed by die-casting using aluminum alloy or lost-powder molding. Therefore, it is suitable for molding the main body frame of the present embodiment.
- the frame body 13 includes a driving frame 13a, a deceleration frame 13b, and a connecting frame 16 for connecting and connecting the two, and the frames 13a, 13b Each has an overhang, and the drive-side cover 29 a and the reducer-side force par 29 b are fitted on the outer peripheral edge thereof. It has a fitting part 15b.
- the drive-side frame 13a has a thick portion 14 extending outward from the bearing portion of the load sheave 1, and the thick portion 14 sequentially has an outer brake receiving bearing hole 18 and a brake.
- a receiving cover part 18a, a one-way clutch roller connecting hole 19 and a roller support ring locking groove 20 are provided.
- the thick part 14 is provided with a molten metal flowing part (introduction part) at the time of molding.
- a molten metal flowing part introduction part
- the molten metal flows directly from the thick part 14 to the drive-side frame 13a during molding, and is formed in the deceleration-side frame 13b. Since it is formed via the connecting frame 16, both frames 13a and 13b and the connecting frame connecting portion 16 can be formed to a desired thickness.
- the thick part is provided on the brake receiving cover of the driving side frame 13a, and the molten part is provided on the thick part, so that the molten metal flows smoothly.
- the connecting frame 16 has a curved portion 16a that curves outward.
- the reduction frame 13 b includes a reduction gear bearing hole 26 and a reduction gear housing portion 28.
- the coupling frame 16 has a load sheave bearing hole 17 on the reduction gear side, and as shown in FIG. 2, accommodates the load sheave in a space surrounded by the coupling frame 16 and forms this load sheave accommodation space.
- the cross-shaped guide groove 22 slightly wider than the link width of the chain, the vertical link guide groove 2 2a, and the vertical link guide groove It has a horizontal link guide groove 22b in 22a.
- a frame bottom portion 13c shown in FIG. 4 is formed integrally with the connection frame 16 at the lower end of the connection frame 16 shown in FIG.
- the frame bottom portion 13c communicates with the vertical link guide hole 23a communicating with the vertical link guide groove 22a provided in the frame connecting portion 16 and the horizontal ring guide groove 22b.
- a horizontal link guide hole 23b is provided, and furthermore, as shown in Fig. 1 to Fig.
- the chain winding prevention part 21 prevents the chain 11 from being wound around the mouthpiece 1 by engaging with the chain coupling groove 1 a of the load sheave 1.
- the load sheave 1 has a flange recess 1b which is a notch to avoid the chain winding prevention portion 21 when the load sheave is mounted on the storage portion.
- the drive-side cover 29a and the reducer-side cover 29b are fitted with the drive-side covers extending outward in the drive shaft axis direction of the drive-side frame 13a and the reduction-side frame 13b.
- Part 15a is fitted and attached to reduction gear power part fitting part 15b.
- the two cover fitting portions 15a and 15b are provided from the outer peripheral edges of both frames 13a and 13b by the thickness of the cover, leaving a flange portion 32 inside. Further, a cover is attached by screwing mounting screws (not shown) for fixing the drive side cover 29a and the speed reducer side force par 29b to the drive side frame 13a and the reduction side frame 13b.
- a plurality of screw holes 27 are provided, and the periphery of the mounting screw hole 27 is a recess further inward from the step. For this reason, no flange is required for mounting the drive-side cover 29a and the reduction gear power part 29b, and the mounting screw head does not protrude from the cover side wall, so that the entire device can be downsized. Also, drive side cover 29a, reduction gear power par 29b and drive side The frame 13a and the deceleration side frame 13b can be firmly fixed to the main body frame because they are fitted not only with the tightening force of the mounting screws but also with their respective steps fitted together. Accordingly, even if the mounting screws are made of other fasteners such as resin rivets for weight reduction, it is possible to sufficiently secure the fixing force between the power par and the main body.
- the deceleration control force 13b supports one end of each of the deceleration gear 3 and the drive shaft 2, it is necessary to mount the deceleration gear 3 on the main body frame so that the cover is in use. Although it is required not to be displaced, since the cover fitting portion has the plurality of steps, the positioning is completed simultaneously with the assembling, and the cover can be firmly fixed.
- the reduction gear side cover 29 b is fitted and attached to the reduction gear cover-fitting portion 15 b provided over the outer periphery of the reduction gear frame 13 b, the hermeticity is reduced. It also has the effect of preventing leakage of dalis or the like that lubricates the reduction gear groove at a high level.
- the drive and braking part of the hoisting traction machine is composed of a so-called mechanical brake using the handwheel 30, brake receiver 4, one-way clutch inner ring 8, brake plate 8a, one-way clutch roller 9, and roller support ring 10.
- the one-way clutch mechanism may be the most general mechanical brake configuration consisting of a ratchet wheel (claw wheel) and locking pawls (not shown), but the configuration shown above is small, and the one-way clutch mechanism is installed in the brake receiving cover. Can be stored, which is the preferred form.
- the rotational driving force of the handwheel 30 is transmitted to the drive shaft 2 via a brake receiver 4 and a slider 6, and further transmitted from the drive shaft 2 via a reduction mechanism including a pinion 5 and a reduction gear 3. Transmitted to Road Sheave 1.
- the brake receiver 4 and the slider 6 are spline-coupled to each other, and the slider 6 and the drive shaft are spline-coupled to each other.
- the slider 6 is rotatably supported by the drive shaft 2 and the brake receiver 4 so as to be slidable in a predetermined axial direction.
- the idler 2 is engaged with the slider 6, and when the idler 2 is pulled out for a predetermined length, the slider 6 is also pulled out, and the spline connection between the drive shaft 2 and the slider 6 is released,
- the load sheave 1 is disconnected from the mechanical brake, and can freely rotate, that is, idle.
- the load sheave 1 is rotatably supported on the reducer side by a load sheave bearing hole 17, and the other is supported by a main body frame via a brake receiver 4 through a brake bearing bearing hole 18.
- the brake receiver 4 is not supported by the brake receiving bearing hole 18,
- the load sheave 1 may be directly rotatably supported on the main body frame (bearing) by the load sheave bearing hole 17 and the brake bearing hole 18.
- the manual operation method may be changed to a lever operation method (not shown) in addition to using the handwheel 30 shown in FIG.
- the upper hook for attaching the upper hook 12 is attached to the driving frame 13a and the deceleration frame 13b above the load side A of the connecting frame 16.
- a hole 24 is provided on the non-load side B, and a chain for attaching the non-load side end of the chain wound around the inside of the curved portion 16 of the frame connecting portion 16 to the main body frame.
- a mounting hole 25 for the end mounting shaft is provided, and a load sheave bearing hole 17 is located below and a reduction gear is located above the line connecting the line connecting the upper hook mounting hole 24 and the chain end mounting shaft 25.
- a bearing hole 26 is provided.
- the reduction gear 3 is pivotally supported, and the deceleration-side frame 13 b forming the accommodating portion 28 of the reduction gear 3, the drive-side frame 13 a and the load sheave 1 are pivotally supported.
- a connecting frame 16 having a substantially cross-shaped guide groove 22 for guiding the chain 11 wound around the sheave 1, and a pair of lower portions of the connecting frame 16 communicating with both ends of the cross-shaped guide groove 22.
- a body frame 13 composed of a frame bottom portion 13c having a chain winding prevention portion 21 protruding toward the load sheave 1 is integrally formed between the cross-shaped guide hole 23 and the pair of cross-shaped guide holes 23.
- an upper hook mounting hole 24 is provided above the load side A of the drive side frame 13a and the reduction side frame 13b, and a chain end mounting shaft mounting hole 25 is provided on the non-load side B.
- the width and height of the frame can be reduced, and the size can be reduced.
- FIG. 7 is a front sectional view of the hoisting and traction machine according to the second embodiment of the present invention
- FIG. 8 is a side sectional view of the frame of FIG. 7
- FIG. 9 is a front sectional view of the frame
- FIG. 11 is a side view of the frame on the reducer side
- FIG. 12 is a side view of the frame on the brake side.
- reference numeral 1 denotes a load sheave having a chain engaging groove (not shown) and a flange recess (not shown).
- 2 is a drive shaft
- 2a is provided on the brake side of the drive shaft 2 and a fitting portion to which a brake receiver is fitted
- 2b is a drive member 30a provided integrally with the handwheel 30 is a screw It is a screw part to fit.
- 3 is a reduction gear
- 4 is a brake receiver
- 8 is a one-way clutch inner ring
- 8a is a pair of brake plates exteriorly sandwiching the one-way clutch inner ring
- 9 is a one-way clutch roller
- 10 is a roller support ring
- 30 is a hand.
- these parts constitute the driving and braking parts of the hoisting traction machine.
- 1 2 is an upper hook for suspending the hoisting traction machine main body
- 1 2a is a lower hook.
- 13 is a frame body.
- the frame body 13 includes a driving side frame 13a, a deceleration side frame 13b, and a connecting frame 16 for connecting and connecting the both.
- 13 b has an overhang portion, and the drive side cover fitting portion 15 a into which the drive side force member 29 a and the reducer side cover 29 b are fitted at the outer peripheral edge thereof and the reducer side Cover One fitting part 15b is provided.
- the drive-side frame 13a includes a thick portion 14 extending outward from the bearing portion of the load sheave 1, and the thick portion 14 sequentially includes a brake receiving bearing hole 1 extending outward. 8, a brake receiving force par portion 18a, a one-way clutch roller joining hole 19 and a roller support ring engaging groove 20 are provided.
- the thick portion 14 is provided with a molten metal flow portion (introduction portion) at the time of molding. Brake receiving force par During molding, the molten metal flows directly from the thick part 14 to the drive-side frame 13a and is formed via the connecting frame 16 to the reduction-side frame 13b. Therefore, both frames 13a and 13b and the connecting frame connecting portion 16 can be formed to a desired thickness.
- the thick part is provided on the brake receiving cover part of the frame 13a, and the molten part is provided on the thick part, so that the molten metal flows smoothly.
- connection frame 16 has a curved portion 16a that curves outward.
- the reduction frame 13 b includes a reduction gear bearing hole 26 and a reduction gear housing portion 28.
- the coupling frame 16 has a load sheave bearing hole 17 on the reduction gear side, and as shown in FIG. 8, accommodates the load sheave in a space surrounded by the coupling frame 16 and forms this port sheave accommodation space.
- the vertical link guide groove 2 2 a of the cross-shaped guide groove 22 slightly wider than the link width of the chain, and the vertical link guide groove 2
- the inner side of 2a has a side link guide groove 22b.
- a frame bottom portion 13c shown in FIG. 10 is formed integrally with the connection frame 16.
- the frame bottom portion 13c is provided with a vertical link guide hole 23a communicating with the vertical link guide groove 22a provided in the frame connecting portion 16 and a horizontal link communicating with the horizontal ring guide groove 22b.
- a guide hole 23 b is provided, and furthermore, as shown in FIGS. 7 to 10, a chain winding prevention part 2 protrudes inward from the frame bottom part 13 c toward the load sheave 1 to prevent winding of the chain. 1 is provided as in the first embodiment.
- the force-par mounting part fits and mounts the drive-side cover 29a and the reduction gear-side power par 29b, so that the drive-side frame 13a and the reduction-side frame 13b are outside the drive shaft axis direction, respectively. It has a drive-side force par fitting part 15a and a deceleration side force par fitting part 15b that extend toward the outer side, and is driven from the outer peripheral edge of the drive-side frame 13a and deceleration-side frame 13b.
- the force-par fitting portions 15a and 15b are provided except for the flange portion 32 having a length corresponding to the plate thickness of the side cover 29a and the reduction gear side cover 29b.
- drive side power par 29 a, deceleration A plurality of cover mounting screw holes 27 are provided for screwing mounting screws (not shown) that fix the machine side power par 29b to the drive side frame 13a and the deceleration side frame 13b.
- This mounting screw hole 27 is preferably provided near the corner portion 33, and the periphery of the mounting screw hole 27 is not a concave portion as in the first embodiment but a flat portion. It acts as a positioning part for the drive side cover 29a, the reduction gear side cover 29b, the drive side frame 13a, and the reduction side frame.
- the deceleration-side force par 13b carries one end of each of the deceleration gear 3 and the drive shaft 2, it is necessary to mount the deceleration-side force par with the main body frame, and the power par is positioned during use. It is required that they do not slip, but the precision-formed cover mounting screw holes 27 and the corners of the cover fitting parts 15 a and 15 b provided in close proximity to the holes 27 By performing the positioning with, the positioning can be performed simultaneously with the assembly, and the cover can be firmly fixed.
- the flanges 32 at the upper and lower ends of the drive-side frame 13a and the reduction-side frame 13b have a drive-side force par 29a fitted to both frames 13a and 13b, and the reduction gear side.
- the lengths of the drive-side cover fitting portion 15a and the reduction gear-side cover fitting portion 15b are shorter than those shown in FIG. 3 of the first embodiment. ing. By doing so, when fitting the covers 29a and 29b to the fitting portions 15a and 15b, it is possible to absorb the manufacturing error of the force fitting portion and the cover, Even if there is a significant error, it can be easily fitted.
- the upper hook 12 is attached to the drive frame 13a and the deceleration frame 13b above the load side A of the connecting frame 16.
- the upper hook mounting hole 24 is located on the non-load side B, and the no-load side end of the chain wound around the load sheave
- a mounting hole 25 for the chain end mounting shaft to be attached to the frame is provided, and an upper hook mounting hole 2 is sandwiched by the line connecting the upper hook mounting hole 24 and the chain end mounting shaft mounting hole 25.
- a load sheave bearing hole 17 is provided below 4, and a reduction gear bearing hole 26 is provided above.
- the vertical position of the upper hook mounting hole 24 and the shaft center of the load sheave bearing hole 17 becomes vertical.
- the degree of inclination of the main body of the hoist under load and under no load can be reduced, the appearance is improved, and the handling becomes easier.
- the upper hook mounting hole 24 is provided on the load sheave bearing hole 17 side as described above, so that the load line during the hoisting operation is from the vertical direction shown in FIG. 2 of the first embodiment.
- the load-side chain conduction path is provided to be inclined in the same direction as the load line 34 as shown in FIG.
- the hoisting and traction machine of the present invention can greatly reduce the number of parts and the number of assembling steps, can reduce the size of the apparatus, and can reduce the thickness of the frame part, as compared with conventional hoisting and traction machines. As a result, it is possible to reduce the weight of the hoisting and traction machine main body, and furthermore, there is an effect that the cover can be easily attached and detached.
- the hoisting and pulling machine according to the present invention can greatly reduce the number of parts and the number of assembling steps as compared with a conventional apparatus, and is particularly useful as a small hoisting and towing machine.
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- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04773375A EP1666403A4 (en) | 2003-09-16 | 2004-09-16 | LIFT AND TRACTION DEVICE |
US10/571,684 US7441748B2 (en) | 2003-09-16 | 2004-09-16 | Hoisting and pulling device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003323110 | 2003-09-16 | ||
JP2003-323110 | 2003-09-16 | ||
JP2004-268177 | 2004-09-15 | ||
JP2004268177A JP2005112631A (ja) | 2003-09-16 | 2004-09-15 | 巻上牽引機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005026037A1 true WO2005026037A1 (ja) | 2005-03-24 |
Family
ID=34315675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013985 WO2005026037A1 (ja) | 2003-09-16 | 2004-09-16 | 巻上牽引機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7441748B2 (ja) |
EP (1) | EP1666403A4 (ja) |
JP (1) | JP2005112631A (ja) |
WO (1) | WO2005026037A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4693506B2 (ja) | 2005-06-03 | 2011-06-01 | 株式会社キトー | 巻上牽引機 |
GB201007925D0 (en) * | 2010-05-12 | 2010-06-30 | Wilson Keith | Rope grip apparatus |
JP6027313B2 (ja) * | 2011-11-08 | 2016-11-16 | 株式会社Lixil | 排水栓用玉鎖の固定方法 |
EP2876076A1 (en) * | 2012-07-17 | 2015-05-27 | HHH Manufacturing Co. | Electric hoist |
JP6068857B2 (ja) * | 2012-07-30 | 2017-01-25 | 株式会社キトー | チェーンブロック |
US10407287B2 (en) | 2014-05-16 | 2019-09-10 | Kito Corporation | Chain block |
CN107226427A (zh) * | 2017-06-28 | 2017-10-03 | 浙江博雷重型机床制造有限公司 | 一种低重心卷帘起重机 |
CN113853932B (zh) * | 2021-10-20 | 2022-10-14 | 浡江生态建设集团有限公司 | 一种后排式草坪割草机集草袋悬挂装置 |
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JPH1160170A (ja) * | 1997-08-21 | 1999-03-02 | Yoshinaga Kikai Kk | 変速機および揚重・回転装置 |
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JPS5939695A (ja) * | 1982-08-25 | 1984-03-05 | 株式会社キト− | 巻上兼牽引装置 |
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JPH0533264A (ja) | 1991-07-17 | 1993-02-09 | Asahi Chem Ind Co Ltd | 耐塩素性ポリウレタン弾性糸交編布帛 |
JPH0776078B2 (ja) * | 1991-10-31 | 1995-08-16 | 象印チエンブロック株式会社 | レバー形牽引機 |
TW303879U (en) * | 1992-08-17 | 1997-04-21 | Hhh Mfg Co Ltd | Chain lever hoist |
DE4401184C2 (de) * | 1993-02-17 | 1998-10-29 | Vital Chain Block Mfg | Hebezeug |
US6032928A (en) * | 1997-05-15 | 2000-03-07 | Elephant Chain Block Co., Ltd. | Hand operated chain block having improved hand wheel |
JP2919810B2 (ja) * | 1997-05-15 | 1999-07-19 | 象印チエンブロック株式会社 | 手動式チェンブロック |
JP3065038B2 (ja) * | 1998-10-23 | 2000-07-12 | 象印チエンブロック株式会社 | チェーンブロック |
JP3355484B2 (ja) * | 1998-11-19 | 2002-12-09 | 象印チエンブロック株式会社 | 巻上機 |
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2004
- 2004-09-15 JP JP2004268177A patent/JP2005112631A/ja active Pending
- 2004-09-16 WO PCT/JP2004/013985 patent/WO2005026037A1/ja active Application Filing
- 2004-09-16 US US10/571,684 patent/US7441748B2/en not_active Expired - Lifetime
- 2004-09-16 EP EP04773375A patent/EP1666403A4/en not_active Withdrawn
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JPS5584796A (en) * | 1979-07-09 | 1980-06-26 | Toa Kikai Seisakusho Kk | Chain block |
JPH0533264Y2 (ja) * | 1986-10-07 | 1993-08-24 | ||
JP3016187U (ja) * | 1995-03-24 | 1995-09-26 | 株式会社キトー | レバー式ホイスト |
JPH1160170A (ja) * | 1997-08-21 | 1999-03-02 | Yoshinaga Kikai Kk | 変速機および揚重・回転装置 |
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
US20080105858A1 (en) | 2008-05-08 |
US7441748B2 (en) | 2008-10-28 |
EP1666403A4 (en) | 2009-06-17 |
EP1666403A1 (en) | 2006-06-07 |
JP2005112631A (ja) | 2005-04-28 |
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