CN204932077U - Hand-operated moving lowering or hoisting gear - Google Patents
Hand-operated moving lowering or hoisting gear Download PDFInfo
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- CN204932077U CN204932077U CN201520510340.9U CN201520510340U CN204932077U CN 204932077 U CN204932077 U CN 204932077U CN 201520510340 U CN201520510340 U CN 201520510340U CN 204932077 U CN204932077 U CN 204932077U
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Abstract
The utility model discloses a kind of hand-operated moving lowering or hoisting gear, belong to and use in daily life, be particularly mainly used in the technical field of the engineering goods structure of the folding rocking handle that the medical bedstead of hospital or rehabilitation industry uses.Comprise and be arranged on main shaft respectively and side shaft become the first mutually meshing gear and the second gear, main shaft is connected with hands handle by shell fragment; Main shaft and side shaft are separately installed with the first plane bearing and the second plane bearing; Be arranged on part on main shaft and side shaft and by being arranged on gear-box upper and lower covers only close partial fixing; This utility model has novel structure, simplicity of design, sturdy and durable, uses brisk, with low cost and install, dismounting and maintenance be easy to advantage.
Description
Technical field
This utility model relates to a kind of hand-operated moving lowering or hoisting gear, belong to the technical field of engineering goods structure, belong to specifically and use in daily life, be particularly mainly used in the technical field of the engineering goods structure of the folding rocking handle that the medical bedstead of hospital or rehabilitation industry uses.
Background technology
At present, use in daily life, particularly be mainly used in the hand-operated moving lowering or hoisting gear that the medical bedstead of hospital or rehabilitation industry uses, it is exactly briefly the rectilinear integral drive of the many uses of structure of rocking handle, main shaft directly installs gear or universal joint, controls moving lifting by the manual setter integral drive main shaft being arranged on main shaft one end; Such device transmission resistance is large, wastes time and energy; And manual setter also can take larger space when not using; Very large inconvenience is brought to user.
Summary of the invention
This utility model provides a kind of hand-operated moving lowering or hoisting gear for the deficiencies in the prior art, simple, compact to realize structural design, firm and in use light labour-saving object.
For reaching described object the technical solution of the utility model be:
A kind of hand-operated moving lowering or hoisting gear, it comprises: handle, shell fragment, the first connecting pin, the second connecting pin, first spline pin, the second spline pin, gear-box upper cover, the first lining, the first lining A, second pad, the first gear, the second gear, the first plane bearing, the second plane bearing, second lining, the second lining A, the first pad, the first pad A, the first copper sheet, second copper sheet, main shaft, gear-box lower cover, side shaft, gear-box side cover, screw, steady pin, wheel shank, the 3rd pad, spring and wheel shank connector;
Described gear-box upper cover and gear-box lower cover are difference single injection-molded and are structure involutory up and down; The hollow space of the held parts of T-shaped shape is formed in this structure involutory up and down; The only conjunction part that can limit or fix each parts position and order is wholely set in this hollow space; This involutory structure entirety is the bearing block structure be made up of at a structural tubular construction of bucking ladder frame; The port card of this tubular construction is shaped with gear-box side cover;
Described main shaft is coaxially positioned at this tubular construction, and the two ends of this main shaft are respectively arranged with the pin-and-hole that can insert this first connecting pin and this second connecting pin; The middle part of this main shaft is provided with the first spline pin;
Described side shaft is positioned at this bucking ladder structure and is that mutual plumbness is arranged with this main shaft; One end of this side shaft has link slot, and the other end is to the middle part being positioned at this main shaft; The middle part of this side shaft is provided with the second spline pin;
The first described gear is bevel gear structure, is fixed on the middle part of this main shaft by this first spline pin; The second described gear is bevel gear structure, is fixed on the middle part of this side shaft by this second spline pin; This first gear and this second gear divide in mutually meshing structure by respective bevel gear part;
The first described lining, the second pad, the first plane bearing, the second lining, a pair first pads and the first copper sheet ring set also be fixed by should only close part order on this main shaft; This first lining and this second pad are between this first gear and this second connecting pin; This second lining, this first plane bearing, these a pair first pads and this first copper sheet order are between this first connecting pin and this first gear; This first plane bearing is between these a pair first pads; The planar section that this first copper sheet is positioned at this first gear is arranged; This second pad is positioned at the umbrella cover part of pasting this first gear of top and arranges;
The first described lining A, the second plane bearing, the second lining A, a pair first pad A and the second copper sheet ring set are on this side shaft and only close partial fixing by this; This first lining A, the second lining A, these a pair first pad A, this second plane bearing and this second copper sheet order are between this link slot and this second gear; This second plane bearing is between these a pair first pad A;
Described handle is flat ship shape structure; The two ends of this handle become in the other direction one projection respectively and are equipped with main shaft coupling part and the wheel shank coupling part of tubulose; A flute profile shell fragment is screwed in this main shaft coupling part; This flute profile shell fragment links the one end connecing this main shaft;
Described wheel shank connector is cylindrical-shaped structure, and entirety plugs and is positioned at this wheel shank; One end of this wheel shank connector is provided with this steady pin and rivets the pin-and-hole be fixed on this wheel shank coupling part, and the other end is provided with a columned projection; The outer shroud ring set of this wheel shank connector arranges this spring; Two ends contact the 3rd pad respectively of this spring;
Form this wheel shank and be subject to External Force Acting when moving axially along this wheel shank connector, the mechanism that goes out of lock by this camber of spring, make this wheel shank overall along this steady pin 90-degree rotation to be concealed in the structure in the cabin of this handle.
The link slot that this side shaft has is for arrange with axes normal; The width of this link slot is equal with this side shaft radius, and the degree of depth of this link slot is 1.2 times of this side shaft diameter.
This first connecting pin, what this second connecting pin became to be parallel to each other with this first spline pin arranges state.
This first spline pin becomes orthogonal with this second spline pin and arranges state; The setting direction of this second spline pin is parallel with the opening direction of this link slot.
This first plane bearing and this second plane bearing are the plane bearing of band needle roller.
Spring leaf or the diaphragm spring of this first copper sheet and this second copper sheet to be internal ring be dentation.
The two sides of this first plane bearing becomes contact to arrange state with these a pair first pads respectively; The two sides of this second plane bearing becomes contact to arrange state with these a pair first pad A respectively.
The cone angle of this first gear bevel gear part is 90 degree; The cone angle of this second gear bevel gear part is 90 degree.
This first connecting pin and this second connecting pin are identical structure;
This first connecting pin is columned solid construction, the middle part of outer surface be provided with resistance to fall threaded area; This resistance to fall one end of threaded area be provided with the screw thread stop of anodontia; This first connecting pin is provided with the counter sink of interior six sides near the termination of this screw thread stop.
This first connecting pin total length is 25 millimeters; Pin diameter is 5 millimeters; Resistance to fall threaded area diameter be M6 millimeter; The counter sink opposite side distance of interior six sides is from being 3 millimeters, and the degree of depth is 5 millimeters; From the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area and the termination that is never provided with interior six side's counter sink one end to resistance to fall ratio of distances constant between threaded area be 3: 5.
This first connecting pin resistance to fall the length of threaded area be 8.2 millimeters; From the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area be 6 millimeters; Never the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area be 10.8 millimeters.
Adopt described hand-operated moving lowering or hoisting gear of the present utility model, form as the transmission that drive mechanism composition is overall owing to using a pair orthogonal bevel gear, structural design simple rigid and use easily laborsaving, by rocking handle pull-up during use, shake rocking handle and then drive rocking handle head rotate, and turned up by rocking handle, be close to rocking handle bar and place after being finished, compact overall structure, takes up room little; Rocking handle folding pack up be close to rocking bar place time, the free end of rocking handle is concordant with rocking handle masthead portion, thus makes the length of rocking handle relatively long, and user is easy to the free end catching rocking handle, can easily rocking handle pull-up and rocking handle bar be separated, easy to use; This utility model has novel structure, simplicity of design, sturdy and durable, uses brisk, with low cost and install, dismounting and maintenance be easy to advantage.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram;
Fig. 2 is this utility model connecting pin Facad structure schematic diagram;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is that Fig. 3 is along B-B generalized section.
Number in the figure explanation
1. handle
2. shell fragment
3. the first connecting pin 3a. second connecting pin
4. the first spline pin 4a. second spline pin
5. gear-box upper cover
6. the first lining 6a. first lining A
7. the second pad
8. the first gear 8a. second gear
9. the first plane bearing 9a. second plane bearing
10. the second lining 10a. second lining A
11. first pad 11a. first pad A
12. first copper sheet 12a. second copper sheets
13. main shafts
14. gear-box lower covers
15. side shafts
16. gear-box side covers
17. screws
18. steady pins
19. wheel shanks
20. the 3rd pads
21. springs
22. wheel shank connectors.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solutions of the utility model are described in detail as follows, in order to comprehensive understanding.
As shown in Figure 1, a kind of hand-operated moving lowering or hoisting gear, comprise: handle 1, shell fragment 2, first connecting pin 3, second connecting pin 3a, first spline pin 4, second spline pin 4a, gear-box upper cover 5, first lining 6, first lining A6a, second pad 7, first gear 8, second gear 8a, first plane bearing 9, second plane bearing 9a, second lining 10, second lining A10a, first pad 11, first pad A11a, first copper sheet 12, second copper sheet 12a, main shaft 13, gear-box lower cover 14, side shaft 15, gear-box side cover 16, screw 17, steady pin 18, wheel shank 19, 3rd pad 20, spring 21 and wheel shank connector 22,
Described gear-box upper cover 5 and gear-box lower cover 14 are difference single injection-molded and are structure involutory up and down; The hollow space of the held parts of T-shaped shape is formed in this structure involutory up and down; The only conjunction part that can limit or fix each parts position and order is wholely set in this hollow space, described only conjunction part is upright plate shape lattice shelves, parts or the assembly of part or several part composition can fix between adjacent two plate shape lattice shelves, and the parts be fixed in this upper and lower butted structure (gear-box upper cover 5 and only closing that part is corresponding to be arranged in gear-box lower cover 14) all utilize plate shape lattice shelves of this only conjunction part to be fixedly connected with setting (pin joint and riveted joint except) in order; This involutory structure entirety is the bearing block structure be made up of at a structural tubular construction of bucking ladder frame, as Fig. 1; The port card of this tubular construction is shaped with gear-box side cover 16;
Described main shaft 13 is coaxially positioned at this tubular construction, and the two ends of this main shaft 13 are respectively arranged with the pin-and-hole that can insert this first connecting pin 3 and this second connecting pin 3a; The middle part of this main shaft 13 is provided with the first spline pin 4; This first connecting pin 3, what this second connecting pin 3a was parallel to each other with this first spline pin 4 one-tenth arranges state.
Described side shaft 15 is positioned at this bucking ladder structure and arranges in mutual plumbness with this main shaft 13; In fact main shaft 13 and side shaft 15 form a T-shaped shape, and the main shaft 13 of this T-shaped shape composition and side shaft 15 just put into the hollow space of the held parts of the T-shaped shape be made up of gear-box upper cover 5 and gear-box lower cover 14; One end of this side shaft 15 has link slot, and the other end, to the middle part being positioned at this main shaft 13, is 2-5 millimeter with pushing up right, middle gap in the middle part of main shaft 13; The middle part of this side shaft 15 is provided with the second spline pin 4a; This first spline pin 4 becomes orthogonal with this second spline pin 4a and arranges state; The setting direction of this second spline pin 4a is parallel with the opening direction of this link slot.The link slot that this side shaft 15 has is for arrange with axes normal; The width of this link slot is equal with this side shaft 15 radius, and the degree of depth of this link slot is 1.2 times of this side shaft 15 diameter.
The first described gear 8 is bevel gear structure (there is tooth side, and opposite side is plane), is fixed on the middle part of this main shaft 13 by this first spline pin 4, and object makes this first gear 8 and this main shaft 13 synchronous rotary; The second described gear 8a is bevel gear structure (there is tooth side, and opposite side is plane), is fixed on the middle part of this side shaft 15 by this second spline pin 4a, and object makes this second gear 8a and this side shaft 15 synchronous rotary; This first gear 8 and this second gear 8a divide in mutually meshing structure by respective bevel gear part;
The first described lining 6, second pad 7, first plane bearing 9, second lining 10, a pair first pads 11 and the first copper sheet 12 ring set also be fixed by should only close part order on this main shaft 13; This first lining 6 and this second pad 7 are between this first gear 8 and this second connecting pin 3a; This second lining 10, this first plane bearing 9, these a pair first pads 11 and this first copper sheet 12 order between this first connecting pin 3 and this first gear 8 (order is from the first connecting pin 3); This first plane bearing 9 is between these a pair first pads 11; The planar section that this first copper sheet 12 is positioned at this first gear 8 is arranged; This second pad 7 is positioned at the umbrella cover part of pasting this first gear 8 of top and arranges;
The first described lining A6a, the second plane bearing 9a, the second lining A10a, a pair first pad A11a and the second copper sheet 12a ring set are on this side shaft 15 and only close partial fixing by this; This first lining A6a, the second lining A10a, this pair first pad A11a, this second plane bearing 9a and this second copper sheet 12a order is (order is from this link slot place) between this link slot and this second gear 8a; This second plane bearing 9a is between these a pair first pad A11a;
Described handle 1 is flat ship shape structure, and so-called ship shape structure is overall structure is long oval three-dimensional shape (can be set to one end slightly larger than the other end), and side is plane, and side is groove face (box to a uncovered); The two ends of this handle 1 become in the other direction one projection respectively and are equipped with main shaft coupling part (being located at plane side) and wheel shank coupling part (being located at groove face one survey) of tubulose; A flute profile shell fragment 2 is fixed by screw 17 in this main shaft coupling part; This flute profile shell fragment 2 links the one end connecing this main shaft 13;
Described wheel shank connector 22 is cylindrical-shaped structure, and entirety plugs and is positioned at this wheel shank 19; One end of this wheel shank connector 22 is provided with this steady pin 18 and rivets the pin-and-hole be fixed on this wheel shank coupling part, and the other end is provided with a columned projection; The outer shroud ring set of this wheel shank connector 22 arranges this spring 21; The two ends contact the 3rd pad 20 (the 3rd pad 20 is two, lays respectively at the two ends of this spring 21 and becomes contact state) respectively of this spring 21;
This first plane bearing 9 and this second plane bearing 9a are the plane bearing of band needle roller.
Spring leaf or the diaphragm spring of this first copper sheet 12 and this second copper sheet 12a to be internal ring be dentation.
The two sides of this first plane bearing 9 arranges state with this pair first pads 11 one-tenth contacts respectively; The two sides of this second plane bearing 9a becomes contact to arrange state with these a pair first pad A11a respectively.
The cone angle of this first gear 8 bevel gear part is 90 degree; The cone angle of this second gear 8a bevel gear part is 90 degree.Cone angle is the angle between circular cone two bus.
Form this wheel shank 19 and be subject to External Force Acting when moving axially along this wheel shank connector 22, be out of shape and the mechanism that goes out of lock by this spring 21, make this wheel shank 19 entirety along this steady pin 18 90-degree rotation to be concealed in the structure in the cabin of this handle 1.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, this first connecting pin 3 and this second connecting pin 3a are identical structure; Namely the middle part that this first connecting pin 3 and this second connecting pin 3a are outer surface be provided with resistance to fall the direct selling structure of threaded area; Being arranged in the pin-and-hole at the two ends of this main shaft 13 of equity be also respectively arranged with on this first connecting pin 3 and this second connecting pin 3a resistance to fall threaded area corresponding to threaded area or resistance to fall threaded area; For being threaded of this first connecting pin 3 and this second connecting pin 3a and this main shaft 13;
This first connecting pin 3 is columned solid construction, the middle part of outer surface be provided with resistance to fall threaded area; This resistance to fall one end (head) of threaded area be provided with the screw thread stop (as Fig. 2, Fig. 5) of anodontia, object is in order to finger setting, and screw thread is screwed into and just revolves motionless herein, also prevents screw thread from screwing out; This first connecting pin 3 is provided with the counter sink (as Fig. 3, Fig. 5) of interior six sides near the termination of this screw thread stop.
This first connecting pin 3 total length is 25 millimeters; Pin diameter is 5 millimeters; Resistance to fall threaded area diameter be M6 millimeter; The counter sink opposite side distance of interior six sides is from being 3 millimeters, and the degree of depth is 5 millimeters; From the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area and the termination that is never provided with interior six side's counter sink one end to resistance to fall ratio of distances constant between threaded area be 3: 5.
This first connecting pin 3 resistance to fall the length of threaded area be 8.2 millimeters; From the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area be 6 millimeters; Never the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area be 10.8 millimeters.
Claims (10)
1. a hand-operated moving lowering or hoisting gear, it is characterized in that comprising: handle (1), shell fragment (2), first connecting pin (3), second connecting pin (3a), first spline pin (4), second spline pin (4a), gear-box upper cover (5), first lining (6), first lining A (6a), second pad (7), first gear (8), second gear (8a), first plane bearing (9), second plane bearing (9a), second lining (10), second lining A (10a), first pad (11), first pad A (11a), first copper sheet (12), second copper sheet (12a), main shaft (13), gear-box lower cover (14), side shaft (15), gear-box side cover (16), screw (17), steady pin (18), wheel shank (19), 3rd pad (20), spring (21) and wheel shank connector (22),
Described gear-box upper cover (5) and gear-box lower cover (14) are difference single injection-molded and are structure involutory up and down; The hollow space of the held parts of T-shaped shape is formed in this structure involutory up and down; The only conjunction part that can limit or fix each parts position and order is wholely set in this hollow space; This involutory structure entirety is the bearing block structure be made up of at a structural tubular construction of bucking ladder frame; The port card of this tubular construction is shaped with gear-box side cover (16);
Described main shaft (13) is coaxially positioned at this tubular construction, and the two ends of this main shaft (13) are respectively arranged with the pin-and-hole that can insert this first connecting pin (3) and this second connecting pin (3a); The middle part of this main shaft (13) is provided with the first spline pin (4);
Described side shaft (15) is positioned at this bucking ladder structure and arranges in mutual plumbness with this main shaft (13); One end of this side shaft (15) has link slot, and the other end is to the middle part being positioned at this main shaft (13); The middle part of this side shaft (15) is provided with the second spline pin (4a);
Described the first gear (8) is bevel gear structure, is fixed on the middle part of this main shaft (13) by this first spline pin (4); Described the second gear (8a) is bevel gear structure, is fixed on the middle part of this side shaft (15) by this second spline pin (4a); This first gear (8) and this second gear (8a) divide in mutually meshing structure by respective bevel gear part;
Described the first lining (6), second pad (7), first plane bearing (9), second lining (10), a pair first pads (11) and the first copper sheet (12) ring set are gone up at this main shaft (13) and were fixed by should only close part order; This first lining (6) and this second pad (7) are positioned between this first gear (8) and this second connecting pin (3a); This second lining (10), this first plane bearing (9), these a pair first pads (11) and this first copper sheet (12) order are positioned between this first connecting pin (3) and this first gear (8); This first plane bearing (9) is positioned between these a pair first pads (11); The planar section that this first copper sheet (12) is positioned at this first gear (8) is arranged; This second pad (7) is positioned at the umbrella cover part of pasting this first gear (8) of top and arranges;
The first described lining A (6a), second plane bearing (9a), second lining A (10a), a pair first pad A (11a) and the second copper sheet (12a) ring set are gone up at this side shaft (15) and are only closed partial fixing by this; This first lining A (6a), second lining A (10a), these a pair first pad A (11a), this second plane bearing (9a) and this second copper sheet (12a) order are positioned between this link slot and this second gear (8a); This second plane bearing (9a) is positioned between these a pair first pad A (11a);
Described handle (1) is flat ship shape structure; The two ends of this handle (1) become in the other direction one projection respectively and are equipped with main shaft coupling part and the wheel shank coupling part of tubulose; A flute profile shell fragment (2) is fixed by screw (17) in this main shaft coupling part; This flute profile shell fragment (2) links the one end connecing this main shaft (13);
Described wheel shank connector (22) is cylindrical-shaped structure, and entirety plugs and is positioned at this wheel shank (19); One end of this wheel shank connector (22) is provided with this steady pin (18) and rivets the pin-and-hole be fixed on this wheel shank coupling part, and the other end is provided with a columned projection; The outer shroud ring set of this wheel shank connector (22) arranges this spring (21); The two ends contact the 3rd pad (20) respectively of this spring (21);
Form this wheel shank (19) and be subject to External Force Acting when moving axially along this wheel shank connector (22), the mechanism that goes out of lock by this spring (21) distortion, makes this wheel shank (19) entirety along this steady pin (18) 90-degree rotation to be concealed in the structure in the cabin of this handle (1).
2. hand-operated moving lowering or hoisting gear as claimed in claim 1, is characterized in that the link slot that this side shaft (15) has is for arrange with axes normal; The width of this link slot is equal with this side shaft (15) radius, and the degree of depth of this link slot is 1.2 times of this side shaft (15) diameter.
3. hand-operated moving lowering or hoisting gear as claimed in claim 1, it is characterized in that this first connecting pin (3), what this second connecting pin (3a) became to be parallel to each other with this first spline pin (4) arranges state.
4. hand-operated moving lowering or hoisting gear as claimed in claim 1, is characterized in that this first spline pin (4) becomes orthogonal with this second spline pin (4a) and arranges state; The setting direction of this second spline pin (4a) is parallel with the opening direction of this link slot.
5. hand-operated moving lowering or hoisting gear as claimed in claim 1, is characterized in that this first plane bearing (9) and this second plane bearing (9a) are the plane bearing of band needle roller; This first copper sheet (12) and this second copper sheet (12a) for internal ring be spring leaf or the diaphragm spring of dentation.
6. hand-operated moving lowering or hoisting gear as claimed in claim 1, is characterized in that the two sides of this first plane bearing (9) becomes contact to arrange state with these a pair first pads (11) respectively; The two sides of this second plane bearing (9a) becomes contact to arrange state with these a pair first pad A (11a) respectively.
7. hand-operated moving lowering or hoisting gear as claimed in claim 1, is characterized in that the cone angle of this first gear (8) bevel gear part is 90 degree; The cone angle of this second gear (8a) bevel gear part is 90 degree.
8. hand-operated moving lowering or hoisting gear as claimed in claim 1, is characterized in that this first connecting pin (3) is identical structure with this second connecting pin (3a);
This first connecting pin (3) is columned solid construction, the middle part of outer surface be provided with resistance to fall threaded area; This resistance to fall one end of threaded area be provided with the screw thread stop of anodontia; This first connecting pin (3) is provided with the counter sink of interior six sides near the termination of this screw thread stop.
9. hand-operated moving lowering or hoisting gear as claimed in claim 8, is characterized in that this first connecting pin (3) total length is 25 millimeters; Pin diameter is 5 millimeters; Resistance to fall threaded area diameter be M6 millimeter; The counter sink opposite side distance of interior six sides is from being 3 millimeters, and the degree of depth is 5 millimeters; From the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area and the termination that is never provided with interior six side's counter sink one end to resistance to fall ratio of distances constant between threaded area be 3: 5.
10. hand-operated moving lowering or hoisting gear as claimed in claim 8, it is characterized in that this first connecting pin (3) resistance to fall the length of threaded area be 8.2 millimeters; From the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area be 6 millimeters; Never the termination being provided with interior six side's counter sink one end to resistance to fall distance between threaded area be 10.8 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510340.9U CN204932077U (en) | 2015-07-15 | 2015-07-15 | Hand-operated moving lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510340.9U CN204932077U (en) | 2015-07-15 | 2015-07-15 | Hand-operated moving lowering or hoisting gear |
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| Publication Number | Publication Date |
|---|---|
| CN204932077U true CN204932077U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520510340.9U Active CN204932077U (en) | 2015-07-15 | 2015-07-15 | Hand-operated moving lowering or hoisting gear |
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| CN (1) | CN204932077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105950A (en) * | 2015-07-15 | 2015-12-02 | 杨为忠 | Hand-cranking mobile lifting device |
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2015
- 2015-07-15 CN CN201520510340.9U patent/CN204932077U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105950A (en) * | 2015-07-15 | 2015-12-02 | 杨为忠 | Hand-cranking mobile lifting device |
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