GB642680A - Power actuated crane - Google Patents
Power actuated craneInfo
- Publication number
- GB642680A GB642680A GB23733/47A GB2373347A GB642680A GB 642680 A GB642680 A GB 642680A GB 23733/47 A GB23733/47 A GB 23733/47A GB 2373347 A GB2373347 A GB 2373347A GB 642680 A GB642680 A GB 642680A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- sheaves
- supported
- load
- movable
- 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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0321—Travelling cranes
- B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
642,680. Load-handling apparatus; jib cranes. LETOURNEAU, Inc., R. G. Aug. 27, 1947, No. 23733. Convention date, Sept. 3, 1946. [Classes 78 (iii) and 78 (iv)] [Also in Group XXXI] In a portable load-handling device of the kind comprising a body, an upstanding elevator frame tiltably mounted on the body and a carriage, bearing a load-supporting member, movable up and down the elevator frame, the tilt of the frame is controlled by a beam which is pivotally connected to the frame and movable longitudinally to effect such control by a power-actuated cable system. The body 1, Fig. 1, connected by a steering and coupling unit 2 to a two-wheeled tractor 3, is fixed to a shaft 4 supported by wheels 6 and on this shaft a frame 12 is supported by bearings 13. Movable on the frame is a carriage 15 fitted with a loadsupporting fork 16 or a jib 17 having a hoist cable unit 18 operated by a winch 19. The inclination of the frame is adjusted by a beam 20 which is pivoted to the frame at 21 and extends between the sheaves 23, 24, Fig. 4, of a sheave block 22 mounted on a support 27, so as to be supported by a rail 26 engaging in a groove of a roller 25 mounted between the sheaves 24 of the block. Adjustment of the beam is effected by cables 32, 33, Figs. 1, 5, which are connected at one end at 36 to the sheave block 22 and pass respectively round sheaves 30, 31 and also the sheaves 23, 24 to be wound in opposed relation on a drum 37 of a reversible winch 38. The wheels 6 may be steered through an electric actuator 10, Fig. 2, which extends or contracts a telescopic rod 9 connected to knuckle-arms 7 of steering spindle units 5. The actuator, together with the winches 19, 38 are included in an electric circuit which includes control switches accessible to the driver of the tractor 3.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US642680XA | 1946-09-03 | 1946-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB642680A true GB642680A (en) | 1950-09-06 |
Family
ID=22054731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23733/47A Expired GB642680A (en) | 1946-09-03 | 1947-08-27 | Power actuated crane |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB642680A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230241A (en) * | 1989-04-14 | 1990-10-17 | Trw Inc | Electric power assisted steering |
US10988353B1 (en) | 2019-11-07 | 2021-04-27 | Michael S. Kelly | Power winch equipment crane with hinge members |
US11259453B2 (en) | 2019-11-07 | 2022-03-01 | Michael S. Kelly | Power winch equipment crane |
-
1947
- 1947-08-27 GB GB23733/47A patent/GB642680A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230241A (en) * | 1989-04-14 | 1990-10-17 | Trw Inc | Electric power assisted steering |
GB2230241B (en) * | 1989-04-14 | 1993-03-10 | Trw Inc | Vehicle steering system |
US10988353B1 (en) | 2019-11-07 | 2021-04-27 | Michael S. Kelly | Power winch equipment crane with hinge members |
US11259453B2 (en) | 2019-11-07 | 2022-03-01 | Michael S. Kelly | Power winch equipment crane |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4103783A (en) | Platform crane with counterweight and boom carrier support linkages | |
GB978765A (en) | Improvements in or relating to slewing cranes | |
GB1200075A (en) | Improvements in or relating to overhead cranes | |
GB1021153A (en) | Improvements in and relating to load-lifting apparatus | |
GB1018695A (en) | Mobile crane | |
GB642680A (en) | Power actuated crane | |
US2524189A (en) | Hook structure | |
US2444835A (en) | Power-actuated crane | |
GB614445A (en) | Improvements in self-propelled electrically driven trucks | |
US3815759A (en) | Inclinable jib for hoisting and transporting loads, in particular for cranes | |
GB1207505A (en) | Hoists, particularly roof hoists | |
GB1103603A (en) | Power driven truck provided with an operating platform and load lifting platforms | |
GB614124A (en) | Improvements relating to self-propelled cranes | |
US3045836A (en) | Cranes and the like | |
GB728362A (en) | Improvements relating to lifting vehicles | |
GB1435372A (en) | Crane | |
US3833129A (en) | Overhead or gantry crane with a yoke carrying electromagnets | |
CN217947474U (en) | Automobile parts turnover work or material rest | |
GB722703A (en) | Improvements in and relating to cranes | |
US2358688A (en) | Timber hauling vehicle and hoist | |
GB483842A (en) | Travelling cranes | |
GB1023118A (en) | Hoisting means with slewable boom and tackle, particularly for use in the building industry | |
GB895172A (en) | Industrial truck | |
GB1079159A (en) | A crane having a principal mast and a pivotable auxiliary jib | |
GB1029284A (en) | Improvements in or relating to industrial trucks |