Patents
Patents for B66D 3 - Portable or mobile lifting or hauling appliances (4,059)
08/1996
08/07/1996CN2232432Y Cable elevator for high building resident
08/07/1996CN2232431Y Dismantable ring pendant chain
07/1996
07/24/1996CN2231680Y Ring chain hoist combined with three-crank connecting rod and small teeth difference gear set
07/23/1996US5538224 Line-handling block comprising two cheeks having bayonet mating interconnection
07/23/1996US5538223 Single line multiple purchase block and tackle system
07/23/1996US5538222 Chain lever hoist
07/17/1996CN2231244Y Rope fastening pulley
07/16/1996US5535988 Lever type hoist having reverse rotation preventive mechanism
07/16/1996CA2116309C Pivoting joint assembly
07/10/1996CN2230751Y Safety cover for hook pulley of travelling crane
06/1996
06/25/1996US5529274 Sign suspension system
06/04/1996US5522581 Balancing hoist and material handling system
05/1996
05/28/1996US5520368 Air lifting and balancing unit with constant force pneumatic circuit
05/21/1996US5517821 For controlling the flow of pressurized air to a device
05/14/1996US5515790 Rope traction device
05/02/1996DE19502233A1 Manually operated chain pulley block for light loads
05/01/1996CN1121480A Clamping driving unit with soft belt having flat surface as connector
04/1996
04/30/1996US5511447 Automatic ratchet block
04/23/1996US5509639 Winch assemblies
04/17/1996EP0706968A2 Drive unit for a lifting device
04/17/1996CN2224832Y Portable cramp hoist
04/17/1996CN2224831Y Household lifter
04/16/1996US5507472 Hoist with a lifting device
04/16/1996US5507471 For use in repairing elevated broken power lines
04/10/1996CN2224193Y Harmonic gear-driving lifter
04/10/1996CN2224192Y Steel-cable belt bucket-type lifter
04/10/1996CN1120014A Lever hoist
04/03/1996CN2223741Y Multi-shaft tackle
04/03/1996CN1119623A Elevator and draught device
03/1996
03/27/1996EP0703185A2 Electrical hoist with speed regulation device
03/14/1996DE4406623C1 Sprocket wheel for round link chains of hoist
02/1996
02/28/1996CN2221026Y Light and convenient multipurpose elevator
02/20/1996US5492306 Air balance hoist with load position indicator
02/14/1996CN2219880Y 吊装滑车 Lifting tackle
02/13/1996CA2095986C Cable clamp
02/01/1996WO1996002456A1 Removable load transfer device
01/1996
01/24/1996EP0693455A1 Traction or lifting device with jaws, acting on low profile flexible straps
01/17/1996EP0692447A1 Hoist
01/17/1996CN2217613Y Portable electric-hoist controller
01/17/1996CN2217612Y Coupling device for power-supply cable of electric-hoist
01/10/1996CN2217005Y Machine for self-lifting of scaffold integrally
01/10/1996CN2217004Y Self-lifting structure for the supporting frame of side carrying and vertical lifting goods machine
01/03/1996EP0689984A1 Transport trolley for panels
01/03/1996CN2216520Y Spring elevator for food process
01/02/1996US5480125 Hoist with a lifting device
12/1995
12/27/1995CN1113876A Working method for large steel net frame integral hoisting
12/19/1995US5476247 Load block
12/13/1995EP0686596A1 Manually- or motor actuated hoist
12/05/1995US5472172 Lever stop for a lever operated hoist
12/05/1995US5472171 Free rotation control apparatus for a hoist and traction machine
12/01/1995CA2124632A1 Portable camping equipment hanger
11/1995
11/30/1995DE4418354A1 Method of mounting ventilation shaft made of several sections onto roof
11/29/1995EP0684206A1 Hand or motor-driven hoisting device
11/29/1995CN2213721Y Sealed device of bucket elevator down pull-tight sprocket group
11/29/1995CN2213720Y Light combined lifting device
11/23/1995DE4437483A1 Transportable winch with hydraulic drive
11/16/1995WO1995030616A1 Openable pulley block
11/15/1995CN2212585Y Portable multipurpose lifter
11/15/1995CN2212584Y 家用电动起重机 Household electric cranes
11/15/1995CN2212583Y Lifting Mechanism of crane capable of exchanging grab for lift hook
11/15/1995CN2212582Y Loop chain type hand hoist
11/15/1995CN1111596A Manual chain block
11/14/1995US5465939 Directional control assembly for an air winch
11/08/1995CN2211996Y Horizontal lifting mechanism for lift rod
11/08/1995CN2211995Y Ring-chain motor driven lift
11/08/1995CN2211994Y Household crane
10/1995
10/26/1995DE4413499A1 Lifting and lowering appliance for attachment to hand chain lifting loads
10/22/1995CA2147068A1 Single line multiple purchase block and tackle system
10/18/1995CN2210176Y Lifting appliance
10/18/1995CN1110247A Free rotation control apparatus of hoist and traction machine
10/17/1995US5458318 For a crane
10/17/1995US5458250 Buoyant crane
10/04/1995EP0471026B1 Arrangement for a load hoist
10/04/1995CN1109444A Lever-type hoist and traction apparatus
09/1995
09/21/1995DE4415756A1 Automatischer Sperrklinkenblock Automatic ratchet block
09/21/1995DE4408584A1 Electric chain hoist with independent brake
09/21/1995DE4408578A1 Chain hoists for clutch
09/21/1995DE4408555A1 Compact motor driven chain hoist
09/21/1995DE19508833A1 Chain hoist with protective casing
09/20/1995EP0672610A1 Chain hoist with variable suspension
09/20/1995EP0672609A1 Cover for chain sprocket
09/19/1995US5451032 For hoisting cables
09/13/1995CN2207374Y Manpower, electric mini-size operating hoisting machine
09/12/1995US5449154 Bearing assembly for rotary support of a line
09/07/1995DE19502986A1 Vertical lift axis on crane-like transporter, enabling horizontal motion
09/06/1995CN2206774Y Multifunction hand calabash
09/06/1995CN2206773Y Self-driving double reel traction engine
08/1995
08/30/1995CN2206278Y Combined chain wheel for elevator
08/30/1995CN2206277Y Elevator roll type crossing frame
08/16/1995EP0667137A2 Invalid hoist
08/09/1995CN2204791Y Electric block with a ring chain
08/08/1995US5439200 Air lifting and balancing unit
08/01/1995US5437432 Hoist machine
07/1995
07/27/1995WO1995019813A1 Improvements in a rope drum
07/27/1995DE4447019A1 Balancer for manual movement of loads esp. tools
07/20/1995WO1995019316A1 Balancing hoist and material handling system
07/19/1995EP0663369A1 Hoisting device
07/12/1995CN1104990A Manual chain block
07/11/1995US5431248 Confined space lowering and retrieving apparatus
06/1995
06/28/1995EP0659677A1 Crane crab
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