Patents for B66F 3 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads (6,643)
12/1994
12/07/1994CN2184686Y Hydraulic two column jack with hand swing pump
11/1994
11/30/1994EP0626338A1 Inflatable body
11/30/1994CN2183987Y Asynchronous lifter with single cylinder and muti-rod
11/30/1994CN2183986Y Hydraulic jack
11/29/1994US5368113 Device for positioning equipment
11/24/1994WO1994026649A1 A lifting cushion
11/24/1994WO1994026620A1 Impermeably covered sponge-like constructions
11/22/1994US5366203 Projector ceiling lift
11/17/1994DE4309398C1 Column-like lifting and supporting device
11/15/1994US5364072 Screw designs for a scissors jack
11/15/1994US5364071 Scissor jack
11/09/1994EP0623548A1 Winding Handle for car Jack
11/09/1994CN2182171Y Double stroke electric hydraulic jack for vehicle
11/02/1994EP0622329A1 Automatic stabilizing and reinforcing device for vehicle raising jacks
11/02/1994EP0622328A2 Vehicle jack
10/1994
10/27/1994DE4313068A1 Improvement for lifting system
10/26/1994EP0621230A1 Articulation for jack
10/25/1994US5358217 Lifting apparatus
10/19/1994EP0620181A1 Compact jack
10/19/1994CN2179866Y 电动千斤顶 Electric jack
10/18/1994US5356117 Hollow trunnions for scissor jacks
10/18/1994US5355643 Transformable structural element
10/13/1994WO1994022638A1 Hydraulically actuated bar-like clamping tool
10/12/1994EP0619106A1 Lift insertable in a bathtub
10/06/1994CA2103658A1 Tapered channels for jack formed by thinning material
10/01/1994CA2120191A1 Stabilizing and reinforcing device for vehicle-raising jacks
09/1994
09/29/1994DE4413477A1 Small hydraulic lifting appliance
09/21/1994EP0555306B1 Arrangement of stretching means
09/21/1994CN2177704Y Special hydraulic jack for shifting frame of piling machine
09/15/1994DE4413478A1 Adjustable lifting strap for small lifting appliances
09/15/1994DE4307868A1 Electrohydraulic jack with lifting grid
09/15/1994DE4307207A1 Levelling wheel jack for caravans and the like
09/13/1994US5346338 Method for forming working fluid passages in a base of a hydraulic jack
09/13/1994US5346180 Pantograph jack
09/06/1994CA2116931A1 Bathtub-insertable lifting apparatus
08/1994
08/23/1994US5340083 Pool table slate lifter
08/23/1994US5339704 Screw lift
08/17/1994EP0611241A1 Stabilizing and reinforcing device for vehicle-raising jacks
08/11/1994DE4303944A1 Lifting appliance, in particular for laying kerb stones, paving flags and the like
08/10/1994EP0609924A1 Tensioning arrangement
08/03/1994CN1090253A Electric pneumatic jack
08/03/1994CN1090252A Rust remover
07/1994
07/27/1994CN2172761Y Asynchronous traction device
07/27/1994CN2172760Y Double-speed hand-operated vertical hydraulic jack
07/22/1994CA2087770A1 Pulse width modulator with external feedback control
07/20/1994EP0606575A1 Lifting device
07/19/1994US5330314 Vacuum lifting/lowering head
07/06/1994EP0605315A1 Actuating device consisting of a pull-type actuator and an elastic return
07/06/1994CN2170940Y Multi-pyramid compound hinged hoist
06/1994
06/29/1994CN2170292Y Integrated lifting device for reverse conic housing water tower and tank
06/28/1994US5324002 For lifting a motorcycle to independently selected wheel heights
06/21/1994US5322404 Wall lifting device
06/21/1994US5322265 Tower lifting apparatus
06/09/1994WO1994012423A1 Pressure pad, in particular for filling mining cavities
06/09/1994CA2149908A1 Pressure pad
06/08/1994EP0600306A2 Steered lifting device
06/07/1994US5318313 Camera dally and pedestal
06/01/1994CN2167082Y Drum type multi-function hydraulic jack
05/1994
05/26/1994DE4339211A1 Pressurised cushion forming temporary mining support - contains multiple chambers supplied with medium under pressure
05/25/1994CN2166114Y Non-pump body hydraulic parts for jack
05/25/1994CN2166113Y Reciprocating pneumatic motor for oil pressure
05/24/1994US5314157 Elongatable support
05/17/1994US5312088 Screw designs for a scissors jack
05/11/1994WO1994010078A1 Tank lifting methods
05/11/1994CN1024457C Pressure boost hydraulic jack
05/04/1994CN2163805Y Multi-functional hydraulic jack
05/03/1994US5307548 A method of forming tapered channels for scissors jack
04/1994
04/27/1994EP0593803A1 Positioning device for loads
04/26/1994US5305482 Lifting device
04/20/1994EP0414850B1 Vehicle jack
04/19/1994US5303898 Open end construction for jack
04/07/1994DE4233317A1 Air bag actuated scissors jack for vehicles - has ends of airbag trapped and pressed against platform and base by inflation within fixing rings, and bag contained by frame secured to pins of scissors linkage
04/07/1994DE4232908A1 Motorised extending scissors arm for movement of tools - has guide plates at base end with tracks guiding middle link pins of first scissor pair always and pins of last scissors pair when arm is withdrawn
04/06/1994EP0590554A1 Vacuum lift device
04/05/1994CA2076769C Hydraulic jack system
03/1994
03/31/1994WO1994006649A1 An inflatable bag and tipping apparatus including same
03/31/1994DE4308481C1 Drive for vehicle screw jack - has bore of driven gear produced with inward pointing hardened teeth which bite into surface of nut and form secure fastening when nut is pressed home into gear.
03/30/1994EP0588999A1 Device for raising and lowering loads
03/29/1994US5297779 Jack mechanism having safety protection for workers
03/24/1994DE4231843A1 Multipurpose tool for removal of wheels from motor vehicle - comprises torque transmission unit with adjustable pump coupling and slotted bore for hand- or motor-driven shaft
03/15/1994CA2088706A1 Failure modes for a jack
03/09/1994EP0585733A2 Jack for raising a vehicle
03/09/1994EP0585270A1 Device for opening, in particular, scissor-type jack mechanisms.
03/03/1994WO1994004454A1 Plastic automotive jack
03/03/1994DE4229229A1 Venting valve for hose lifting device - has adjustment range divided into work and release ranges, between which is stop device allowing valve in work range to operate
02/1994
02/17/1994DE4325060A1 Telescopic float with air intake tube - has seal between the telescopic tube of float vessel and float telescopic tube
02/16/1994CN2156170Y Double lifting jack
02/16/1994CN2156169Y Electric horizontal jack
02/15/1994US5286003 Jack
02/10/1994DE4225871A1 Goods or passenger lift - has hinged levers on both sides of platform which form concertina assemblage, uppermost levers being attached to slide moving on guide rod
02/09/1994CN2155365Y Hydraulic lifting device
02/09/1994CN1081647A Apparatus for pushing integral large object
02/08/1994US5284321 Hydraulic jack with single control for actuating hydraulic valve means
02/02/1994CN2154852Y Hydraulic transversing pickaxe
01/1994
01/26/1994CN2154253Y Hydraulic two-way hoisting jack
01/19/1994CN2153540Y Hydraulic jack
01/19/1994CN2153539Y Hydraulic double cylinder hoist
01/18/1994US5279084 Movement mechanism of telescopic column
01/12/1994CN2152782Y Autocontrol jack with dc driving device
01/11/1994US5277405 Temporary decking support
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