| Patents for B66D 5 - Braking or detent devices characterised by their application to lifting or hoisting gear, e.g. for controlling the lowering of loads (3,200) |
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| 06/11/1991 | CA1284798C Winch drag brake apparatus |
| 04/10/1991 | CN1050527A Braking devices for elevator |
| 04/03/1991 | CN1050362A Electromagnetic disc brake for elevator lifting apparatus |
| 04/02/1991 | US5004177 Apparatus for blocking a winch |
| 02/05/1991 | US4989921 Mine hoist brake regulator |
| 01/30/1991 | CN1011401B Skid-free hydraulic system for the second lift |
| 01/16/1991 | CN2069406U Operating handle locating and locking device for small winch |
| 01/08/1991 | US4982815 Electric motor |
| 01/02/1991 | CN2068496U Top spacing apparatus of elevating poppet head |
| 12/26/1990 | CN1048013A Friction braking method and device for elevator |
| 12/18/1990 | US4977795 Relating to a ratchet machanism |
| 11/28/1990 | CN1047262A Magnetic controller for deceleration of steel cable |
| 10/31/1990 | EP0395506A1 Brake with automatic gap-adjusting and wear-adjusting device |
| 10/24/1990 | EP0394104A1 Clamp device with self-clamping jaws, in particular for a hydraulic linear winch |
| 10/23/1990 | CA1275435C D. c. solenoid control circuit |
| 09/19/1990 | EP0388299A2 Safety brake for escalator |
| 08/22/1990 | CN1044796A Monitoring devices of brake systems in lifting apparatus |
| 08/08/1990 | CN2060162U Energy-saving retarding rise-and-fall driving device |
| 07/25/1990 | CN2059679U Air cooled electromagnetic eddy brake |
| 07/12/1990 | DE3900027A1 Operation of forestry and industrial rope winches with one or more electric cylinders (lifting-spindle drive) |
| 07/11/1990 | CN2059157U Brake locking device for crane |
| 07/04/1990 | CN2058915U Axial braking device for capstan engine |
| 07/03/1990 | US4938454 Chain hoist with automatic brake and double chain hooks |
| 06/27/1990 | CN1043289A Braking device for elevator winding machine and elevator using the braking device |
| 06/19/1990 | US4934660 Device for raising and lowering loads |
| 06/19/1990 | US4934659 Hoist and dolly apparatus |
| 05/30/1990 | CN1042519A Elevator apparatus |
| 05/17/1990 | WO1990004999A1 Decelerator apparatus |
| 05/16/1990 | CN2057172U Full-hydraulic winch with brake capable of opening and closing automatically |
| 04/25/1990 | CN1041574A Hydraulic brake moment gradually adding device |
| 04/18/1990 | CN1007615B Apparatus for automatic stabilizing details of grab bucket |
| 04/11/1990 | EP0263105B1 Automatically acting, lockable hoisting block |
| 02/14/1990 | CN2052762U Weighted oilostatic two-stage brake device |
| 01/24/1990 | CN2051627U Monitor device for positive pressure in disk brake |
| 12/20/1989 | EP0347208A2 Band brake assembly |
| 12/07/1989 | DE3818568A1 Load-moment lock |
| 12/05/1989 | US4884783 Hoist with oil cooled brake |
| 11/23/1989 | DE3816395A1 Brake disc |
| 10/24/1989 | US4875558 Safety brake for escalators |
| 10/05/1989 | DE3809646A1 Free-fall control arrangement |
| 09/19/1989 | US4867276 Fast-lowering hydraulic equipment |
| 09/12/1989 | US4865393 Method and apparatus for braking a derrick winch |
| 08/30/1989 | CN2043615U Safety brake for gantry elevating platform |
| 08/02/1989 | CN2042074U Hydraulic weight brake with two stages of emergancy brake |
| 06/29/1989 | WO1989005755A1 Apparatus for controlled lowering or moving of a suspended load |
| 06/20/1989 | US4841215 D.C. solenoid control circuit |
| 06/01/1989 | DE3739121A1 Roof-container lift |
| 05/30/1989 | US4834341 Hoisting apparatus |
| 04/19/1989 | CN2036169U 制动器 Brakes |
| 01/31/1989 | CA1249530A1 Hydraulic disk brake having a braking torque-to- hydraulic force converter |
| 01/05/1989 | DE3720712A1 Winch |
| 10/25/1988 | CA1243661A1 Chain hoist with automatic brake and double chain hooks |
| 10/05/1988 | EP0284956A2 Winch for optionally lifting, lowering or cyclic free-fall impact operation |
| 10/05/1988 | EP0284807A2 Electric hoist |
| 09/20/1988 | CA1242156A1 Method and apparatus for braking a derrick winch |
| 08/24/1988 | EP0279144A2 Safety brake |
| 07/14/1988 | WO1988005025A1 Winch drag brake apparatus |
| 06/30/1988 | DE3643064A1 Device for locking hoists, lifts and the like |
| 05/25/1988 | EP0064080B1 Safety mechanism for hoisting drums |
| 05/24/1988 | US4746100 Winch drag brake apparatus |
| 05/03/1988 | CA1236147A1 Multiple disk brake control |
| 04/26/1988 | US4739969 Lift sheave |
| 04/13/1988 | EP0263105A1 Automatically acting, lockable hoisting block. |
| 03/08/1988 | CA1233757A1 Cable and chain stopper |
| 03/02/1988 | EP0257127A1 Electric chain block |
| 03/01/1988 | US4728138 Automatically acting, lockable hoisting block |
| 02/17/1988 | CN86104940A Skid-free hydraulic system |
| 02/09/1988 | US4723757 Ratchet-wheel-pawl assembly and release means for portable winch |
| 01/26/1988 | US4720975 For controlling a reversible winch motor and winch brake |
| 01/13/1988 | EP0252313A1 Cable traction device |
| 12/17/1987 | WO1987007691A1 Cable traction apparatus |
| 12/10/1987 | DE3619263A1 Lever cable pull device which can be operated with one hand |
| 11/19/1987 | EP0245686A2 Braking device for lifting means, such as lifts or goods lifts |
| 11/03/1987 | US4703917 Manual winch with drum release and handle storage |
| 10/15/1987 | DE3612247A1 Rope winch, in particular for actuation by means of a crank handle |
| 10/15/1987 | DE3611893A1 Shaft break safety device, in particular for lifting drives |
| 09/29/1987 | US4696377 Brake system for drawworks |
| 09/22/1987 | CA1227188A1 Winch drive means |
| 09/16/1987 | EP0236732A2 Control device for the operation of a hydraulic winch of an inclined lift |
| 09/15/1987 | US4693453 Cable drum latching and unlatching mechanism |
| 09/01/1987 | US4690379 Electric chain block |
| 08/06/1987 | DE3603307A1 Load-moment lock |
| 05/21/1987 | DE3540559A1 Safety crank for a winch drive or the like |
| 05/05/1987 | US4662525 Logging carriage with band brake |
| 04/30/1987 | DE3537791A1 Brake/clutch unit |
| 03/04/1987 | EP0212026A1 Improved emergency descent device |
| 03/03/1987 | US4646805 Chain winch |
| 02/11/1987 | CN86104660A Automatic falling movement controlling device |
| 01/27/1987 | US4638894 Caliper disc brake assembly |
| 01/06/1987 | CA1216245A1 Brake mechanism |
| 12/18/1986 | WO1986007343A1 Automatically acting, lockable hoisting block |
| 12/09/1986 | US4627519 Hydraulic disk brake having a braking torque-to-hydraulic force converter |
| 12/03/1986 | EP0203758A2 Caliper disc brake assembly |
| 12/02/1986 | US4625946 Hoist having worm safety device |
| 09/10/1986 | EP0193573A1 Device for the prevention of a winch from toppling |
| 09/09/1986 | US4610139 Hydraulic speed control and braking apparatus for draw works |
| 08/12/1986 | US4605111 Hoist |
| 08/06/1986 | CN85202328U 摩擦卷扬机构 Friction winch mechanism |
| 07/22/1986 | US4601370 Drive release brake assembly |
| 07/15/1986 | CA1207676A1 Hoisting machine for elevators |