GB903122A - Improvements in lifting dogs - Google Patents
Improvements in lifting dogsInfo
- Publication number
- GB903122A GB903122A GB1185260A GB1185260A GB903122A GB 903122 A GB903122 A GB 903122A GB 1185260 A GB1185260 A GB 1185260A GB 1185260 A GB1185260 A GB 1185260A GB 903122 A GB903122 A GB 903122A
- Authority
- GB
- United Kingdom
- Prior art keywords
- jaws
- slots
- shackle
- lifting
- dogs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
903,122. Hooks. LIFTING GEAR PRODUCTS (ENGINEERING) Ltd. March 29, 1961 [April 4, 1960], No. 11852/60. Class 89 (2). [Also in Group XXX] The jaws 19, Fig. 1, of a lifting-dog are closed by a pin 26 of a shackle 27 which slides up longitudinal slots in arms 12, 14 of the dogs as the shackle is raised. As described the arm 14 slides in a longitudinal slot in the arm 12. The shape of the longitudinal slots is shown in Fig. 3. In a second embodiment, Fig. 5, the slots are curved in the same direction throughout their length and the jaws are adapted for lifting cylindrical objects. A hook 47 attached to a shackle 44 engages a pin 48 to hold the jaws open. In both the embodiments the slots and/ or arms of the dogs may be shaped differently, e.g. straight, and the jaws may be profiled to engage objects of other shapes, e.g. I-section girders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1185260A GB903122A (en) | 1960-04-04 | 1960-04-04 | Improvements in lifting dogs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1185260A GB903122A (en) | 1960-04-04 | 1960-04-04 | Improvements in lifting dogs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB903122A true GB903122A (en) | 1962-08-09 |
Family
ID=9993881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1185260A Expired GB903122A (en) | 1960-04-04 | 1960-04-04 | Improvements in lifting dogs |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB903122A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098533A (en) * | 1976-10-19 | 1978-07-04 | Hanlon Jr John P | Article moving attachment |
| US4113116A (en) * | 1977-04-26 | 1978-09-12 | David W. Brandt | Device for towing rolled bales of hay |
| US4869540A (en) * | 1988-04-22 | 1989-09-26 | Faul Joseph L | Pallet puller apparatus |
| CN110282540A (en) * | 2019-06-06 | 2019-09-27 | 浙江贝尔轨道装备有限公司 | A kind of multi-rail hoister that can be automatically separated track |
-
1960
- 1960-04-04 GB GB1185260A patent/GB903122A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098533A (en) * | 1976-10-19 | 1978-07-04 | Hanlon Jr John P | Article moving attachment |
| US4113116A (en) * | 1977-04-26 | 1978-09-12 | David W. Brandt | Device for towing rolled bales of hay |
| US4869540A (en) * | 1988-04-22 | 1989-09-26 | Faul Joseph L | Pallet puller apparatus |
| CN110282540A (en) * | 2019-06-06 | 2019-09-27 | 浙江贝尔轨道装备有限公司 | A kind of multi-rail hoister that can be automatically separated track |
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