Patents for B66F 17 - Safety devices, e.g. for limiting or indicating lifting force (2,067)
03/1984
03/20/1984CA1163901A1 Hydraulic stabilizer for axle on mast lift vehicle
02/1984
02/01/1984EP0099636A1 Access equipment
01/1984
01/24/1984US4427121 Hydraulic valve control for aerial book devices
12/1983
12/22/1983WO1983004406A1 Access equipment
11/1983
11/22/1983US4417236 Overload detecting device
09/1983
09/15/1983WO1983003089A1 Speed reducing mast tilt indicator
09/13/1983US4403680 Hydraulically driven lifting, loading or tipping platform
08/1983
08/30/1983CA1152905A1 Aerial lift platform apparatus with capacity indicator
08/16/1983US4398860 Fork lift truck having means to test overload protective system
08/09/1983US4397479 Supporting leg for mobile constructions
07/1983
07/19/1983US4393959 Hydraulic stabilizer for axle on mast lift vehicle
04/1983
04/29/1983EP0058671A4 Force-moment compensating apparatus.
04/06/1983EP0076249A1 Overload safety device for mobile loaders
11/1982
11/16/1982US4359137 Safeload indicator for aerial lift platform apparatus
09/1982
09/01/1982EP0058671A1 Force-moment compensating apparatus.
07/1982
07/06/1982CA1127272A1 Fork lift truck speed control
05/1982
05/25/1982US4331219 Mechanical safety device for a lift
05/19/1982EP0052088A1 Collision guard
05/05/1982EP0050714A2 Load indicator for floor movers, especially fork lifters
04/1982
04/27/1982US4326601 Aerial lift platform apparatus with capacity indicator
03/1982
03/18/1982WO1982000815A1 Force-moment compensating apparatus
03/17/1982EP0047726A2 A safety device in hydraulically operated working-platform elevators
03/16/1982US4319738 Lifting mechanisms especially lifting platform
01/1982
01/19/1982US4311220 Safety catch for elevators, lifting platforms, and the like
08/1981
08/05/1981EP0033165A2 Supporting arm for mobile constructions
07/1981
07/21/1981US4279329 Safety device for lift equipment
07/15/1981EP0032119A1 Hydraulically operated lifting, loading or tilting platform
05/1981
05/13/1981EP0028462A1 Apparatus for lifting or lowering a load
05/05/1981US4265337 Fork lift truck speed control dependent upon fork elevation
03/1981
03/31/1981CA1098454A1 Lifting equipment having telescopic boom with automatic extension limiting
03/10/1981US4254939 Safety devices for load lifting and lowering apparatus
02/1981
02/17/1981US4251056 Creep preventing safety device for hydraulic jacks, especially of the type employed for partially or one-side raising road vehicles
02/11/1981EP0023531A1 Pressure means operated device for lifting and lowering lifting platforms
12/1980
12/23/1980US4240526 Safety device for forklifts and the like
11/1980
11/04/1980US4231450 Overload warning system
10/1980
10/15/1980EP0016998A1 Hoisting device, especially lifting platform
09/1980
09/30/1980US4225117 Device for detecting cable breaks in a lift
09/16/1980CA1085750A1 Hydraulic device for controlling the perpendicularity of boom members in mobile platforms
09/09/1980US4221530 Force-moment compensating apparatus
09/03/1980EP0014730A1 Safety device for a screw operated lifting apparatus, especially a twin column motor vehicle lifting platform
07/1980
07/01/1980US4210228 Control method
07/01/1980CA1080826A1 Control system for lift trucks or the like
06/1980
06/10/1980US4206829 Control system for lift trucks or the like
01/1980
01/29/1980US4185426 Extension/elevation intra-action device for aerial lift apparatus
12/1979
12/04/1979US4176826 Safety catch apparatus for a suspension system
10/1979
10/30/1979CA1065438A1 Truck overload protective system having trip signal sampling means
10/09/1979CA1064144A1 Overload signalling system for fork lift trucks and the like
09/1979
09/25/1979US4168934 Lift truck overload protective circuit having override feature
07/1979
07/03/1979CA1057835A1 Fail-safe overload protective system having bridge unbalance compensating means
06/1979
06/19/1979CA1056773A1 Load moment sensing system for lift trucks
01/1979
01/16/1979CA1046380A1 Load limiting device
11/1978
11/21/1978US4126237 Lift truck safety system having protection against component failure
11/07/1978CA1041918A1 Overload control for lifting boom
10/1978
10/10/1978US4118907 Lifting equipment having telescopic boom with automatic extension limiting
06/1978
06/06/1978US4093092 Load limiting device
06/06/1978US4093091 Load moment sensing system for lift trucks
05/1978
05/30/1978US4091906 Collapsible safety guard for platform lift
03/1978
03/28/1978US4081055 Hydraulic device for controlling the perpendicularity of boom members in mobile platforms
01/1978
01/17/1978US4068773 Lift vehicle with fail-safe overload protective system
08/1977
08/16/1977US4042135 Load handling vehicle
06/1977
06/07/1977US4027772 Protective circuit for overload sensor
01/1977
01/18/1977US4003487 Truck overload protective system having trip signal sampling means
11/1976
11/23/1976US3993166 Overload signalling system for fork lift trucks and the like
11/16/1976US3991659 Fail safe apparatus for load lifts
06/1976
06/01/1976US3960286 Automatic overload control for a counterbalanced lift truck
04/1976
04/27/1976US3952879 Overload control for lifting boom
03/1976
03/09/1976US3942413 Load limiting system
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