Patents
Patents for B66D 1 - Rope, cable, or chain winding mechanisms; Capstans (12,007)
12/1981
12/29/1981US4307870 Clutch mechanism for hoisting apparatuses
12/16/1981EP0041686A2 Hydraulic circuit arrangement
12/15/1981US4305571 Means for regulating two trawl winches
12/15/1981US4305513 Slack cable sensing apparatus
12/15/1981CA1114266A1 Control valve apparatus for supplying fluid to a plurality of mechanisms
12/09/1981EP0041345A2 Marine crane hoist control
12/08/1981US4304337 Marine crane lifting control
12/01/1981US4303237 Arrangement for supporting theatrical equipment
12/01/1981US4303225 Self-tailing winch
11/1981
11/24/1981US4301995 Counter-balanced sheave
11/24/1981US4301979 Winch
11/24/1981US4301713 Apparatus for supplying fluid to a plurality of mechanisms
11/18/1981EP0040184A2 Pneumatic hoist
11/12/1981WO1981003165A1 Boom turning control device for hydraulic drive type crane
11/03/1981CA1111829A1 Wind-up drum for faired cable
10/1981
10/28/1981EP0038633A2 Driving mechanism with energy storing feed system, particularly for the loading-travelling movements of portal cranes
10/27/1981US4296917 Contoured cable roller
10/27/1981US4296916 Submersible pump puller
10/20/1981US4295636 System for inhauling and outhauling lines
10/13/1981US4294429 Pulley assembly for improving the cooperation between a winch and a cable actuated thereby
10/06/1981US4293121 Winch arrangement
10/06/1981CA1110224A1 Cable clamp to set a cable on a drum
09/1981
09/29/1981US4291864 Drum winches
09/22/1981US4290584 Pole mounted winch
09/22/1981CA1109425A1 Crane
09/22/1981CA1109295A1 Planetary transmission with hydraulic engagement and disengagement
09/16/1981EP0035987A2 Drive arrangement for hoisting units
08/1981
08/25/1981US4285502 Device for keeping constant the tensile stress in a cable
08/25/1981CA1107710A1 Hydraulic winch
08/18/1981US4284265 Dual drive system for dragline with power interlock
08/11/1981US4283722 Overload indication device for a lever hoist
07/1981
07/28/1981CA1105920A1 Pulley assembly for improving the cooperation between a winch and a cable actuated thereby
07/14/1981US4278239 Vehicle winch
06/1981
06/30/1981US4276498 Adjustable torque control winch system
06/30/1981US4275870 Apparatus for controlling speed and direction of a vehicular towing winch
06/30/1981CA1104175A1 Automatic anti-tilt device for stopping the tilting movement of a scaffolding suspended from two or more winches
06/23/1981US4274620 Anchor windlass
06/23/1981US4274606 Self-tailing winch
06/16/1981CA1103232A1 Control system to exercise a continuous controllable traction on a cable
06/09/1981US4272706 Mooring winch system
05/1981
05/19/1981CA1101401A1 Drum winches
05/12/1981CA1100934A1 Automatic inhaul winch system
04/1981
04/28/1981USRE30591 Rope pulling device
04/14/1981US4261549 Two-speed winch
04/14/1981US4261451 Clutch drag controls for hoist drum
04/14/1981CA1099194A1 Winch mechanisms
04/14/1981CA1099192A1 Winch mechanisms
04/07/1981US4260191 Method and apparatus to control tension in a trailing cable and/or waterhose for a mining machine
03/1981
03/24/1981US4257578 Oil well service rig
03/24/1981US4257577 Motor vehicle winch
03/10/1981US4254940 Winch
03/10/1981CA1097324A1 Direct drive deck winch
03/03/1981US4253693 Safety device for cable climbers, hoists and winches
03/03/1981CA1096749A1 Hydraulic control apparatus
02/1981
02/24/1981US4252298 Self-maintaining winches
02/24/1981CA1096369A1 Compact cross-shaft type compound drum hoist for spooling extra long lenghts of tow cable with segmental fairings
02/03/1981CA1095019A1 Self-maintaining winches
01/1981
01/27/1981US4246781 Arrangements for measuring tension loading in wires
01/20/1981CA1093989A1 Fluid operated actuator
01/13/1981US4244561 Airborne hoist
01/13/1981CA1093427A1 Control system
01/06/1981CA1093061A1 Fairlead sheave and saddle assembly
01/06/1981CA1093060A1 Adjustable fairlead roller system
01/06/1981CA1093059A1 Winch
12/1980
12/23/1980US4240613 Winch mechanism
12/23/1980US4240612 Winch for the slip-free hauling of a rope
12/23/1980US4240309 Ratchet devices
12/16/1980US4239188 Tree handling device
12/09/1980US4238116 Skidder jack
12/09/1980US4237999 Automatic anti-tilt device for scaffoldings
12/02/1980US4236696 Multicapstan traction unit
12/02/1980US4236695 Sea swell compensation
12/02/1980US4236694 Manual winch with safety clutch, especially as a power source in nursing for lifting patients
12/02/1980US4236693 Portable winch apparatus
12/02/1980US4236618 Torque transmitting and blocking device
11/1980
11/26/1980EP0019567A1 Hauling winch
11/26/1980EP0019352A2 Draw works control system
11/25/1980US4235394 Apparatus for guiding superimposed layers of line onto and off of a power driven reel
11/25/1980CA1090324A1 Self-energizing winch brake and drive
11/25/1980CA1090323A1 Winch mechanism for crane
11/18/1980US4234167 Automatic inhaul winch system
11/13/1980WO1980002446A1 Draw works transmission control
11/11/1980US4232792 Crane
11/04/1980US4231551 Capstan
10/1980
10/29/1980EP0018127A1 Hoist
10/28/1980USRE30423 Variable speed winch
10/28/1980US4230306 Self-tailing winch
10/14/1980US4227680 Hydraulic winch
10/14/1980US4227679 Hoist with two or more hoisting units
10/14/1980US4227678 Cable tensioning device
10/14/1980US4227423 Line gripping pulley for a line hauler
10/07/1980US4226405 Mechanical safety device for a winch
10/07/1980US4226403 Overload protection device in air-operated lifting devices
09/1980
09/30/1980US4225119 Continuous winch
09/30/1980US4225118 Direct drive deck winch
09/30/1980US4225012 Safety clamp device and apparatus utilizing same
09/23/1980US4223871 Winch mechanism
09/23/1980CA1086294A1 Continuous winch
09/16/1980US4222550 Mobile winch
09/02/1980CA1084897A1 Self-locking windlass