GB1292176A - Lifting tongs - Google Patents
Lifting tongsInfo
- Publication number
- GB1292176A GB1292176A GB3752470A GB3752470A GB1292176A GB 1292176 A GB1292176 A GB 1292176A GB 3752470 A GB3752470 A GB 3752470A GB 3752470 A GB3752470 A GB 3752470A GB 1292176 A GB1292176 A GB 1292176A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pins
- lifting
- jaws
- arms
- slots
- 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
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/442—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces actuated by lifting force
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
1292176 Lifting tongs BRITISH STEEL CORP 30 July 1971 [4 Aug 1970] 37524/70 Heading B8H The jaws 34, 35 of a lifting tongs are constrained to be movable in a rectilinear path by means of pins 44, 45 engaged in slots 42, 43 in a frame 6. The jaws are connected to a lifting beam 4, adapted to be supported by a crane, by links 32, 33 which are pivotally connected by pins 40, 41 to the jaws and by pins 36, 37 to arms 23, 24, the arms 23, 24 being connected by links 21, 22 to the lifting beam. The pins 36, 37 engage in slots 38, 39 in the frame 6 and pins 26, 27 between the links 21, 22 and the arms 23, 24 engage in slots 28, 29. As described, two pairs of lifting tongs are supported from the lifting beam 4, Figs. 1, 2 (not shown), and a latch device is provided for holding the jaws open.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3752470A GB1292176A (en) | 1970-08-04 | 1970-08-04 | Lifting tongs |
DE19712138097 DE2138097A1 (en) | 1970-08-04 | 1971-07-30 | Lifting pliers |
AU31854/71A AU453060B2 (en) | 1970-08-04 | 1971-07-30 | Lifting tongs |
BE770900A BE770900A (en) | 1970-08-04 | 1971-08-03 | LIFTING CLAMPS |
NL7110777A NL7110777A (en) | 1970-08-04 | 1971-08-04 | |
FR7128538A FR2104834B1 (en) | 1970-08-04 | 1971-08-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3752470A GB1292176A (en) | 1970-08-04 | 1970-08-04 | Lifting tongs |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1292176A true GB1292176A (en) | 1972-10-11 |
Family
ID=10397130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3752470A Expired GB1292176A (en) | 1970-08-04 | 1970-08-04 | Lifting tongs |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU453060B2 (en) |
BE (1) | BE770900A (en) |
DE (1) | DE2138097A1 (en) |
FR (1) | FR2104834B1 (en) |
GB (1) | GB1292176A (en) |
NL (1) | NL7110777A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117944085A (en) * | 2024-03-22 | 2024-04-30 | 西安百润重工科技有限公司 | Self-aligning clamping mechanism |
-
1970
- 1970-08-04 GB GB3752470A patent/GB1292176A/en not_active Expired
-
1971
- 1971-07-30 AU AU31854/71A patent/AU453060B2/en not_active Expired
- 1971-07-30 DE DE19712138097 patent/DE2138097A1/en active Pending
- 1971-08-03 BE BE770900A patent/BE770900A/en unknown
- 1971-08-04 FR FR7128538A patent/FR2104834B1/fr not_active Expired
- 1971-08-04 NL NL7110777A patent/NL7110777A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117944085A (en) * | 2024-03-22 | 2024-04-30 | 西安百润重工科技有限公司 | Self-aligning clamping mechanism |
CN117944085B (en) * | 2024-03-22 | 2024-06-11 | 西安百润重工科技有限公司 | Self-aligning clamping mechanism |
Also Published As
Publication number | Publication date |
---|---|
DE2138097A1 (en) | 1972-02-10 |
BE770900A (en) | 1971-12-16 |
FR2104834A1 (en) | 1972-04-21 |
AU3185471A (en) | 1973-02-01 |
NL7110777A (en) | 1972-02-08 |
FR2104834B1 (en) | 1976-03-26 |
AU453060B2 (en) | 1974-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |