Patents for F15B 15 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith (21,171)
01/1981
01/06/1981US4242945 Assembly with relatively displaceable members
12/1980
12/30/1980CA1092488A1 Rotational ram cylinder
12/23/1980US4240334 Mechanically lockable hydraulic cylinder jack
12/23/1980US4240332 Fluid operated locking actuator
12/23/1980US4240327 Fluid operated linear actuator control system
12/23/1980US4240255 Integrated control device for a fluid circuit and applications thereof
12/16/1980US4239244 Hydraulic piston rod seal
12/09/1980US4237690 Piston return stop device for seat belt tensioning device
12/02/1980US4237076 Two stage vacuum break
11/1980
11/25/1980US4235421 Load moving apparatus
11/18/1980US4233887 Piston-cylinder unit
11/18/1980CA1089887A1 Boot arrangement for piston-cylinder assembly
11/18/1980CA1089681A1 Thrust collar
11/18/1980CA1089638A1 Hydraulic emergency hand tools
11/04/1980CA1088848A1 Jam proof piston
10/1980
10/29/1980EP0017789A2 Piston and cylinder arrangement
10/29/1980EP0017684A1 Hydraulic cylinder for a propulsion unit of an inboard or outboard motor
10/28/1980US4230025 Pneumatic actuator
10/28/1980US4230024 Adjustable stroke cylinder
10/28/1980US4230023 Clamping apparatus
10/21/1980US4228757 Boat steering assembly
10/15/1980EP0017628A1 Pneumatic activating device
10/15/1980EP0017537A2 Electrohydraulic doser actuator
10/15/1980EP0016921A1 Telescopic device
10/15/1980EP0016840A1 Multipurpose actuator
10/14/1980US4227591 Muffler for air-powered nailers and the like
10/14/1980CA1087587A1 Valve operator
10/01/1980EP0016747A1 Valve-system for controlling the extension of a hydraulic pit-prop
09/1980
09/30/1980US4225110 Actuator for converting linear to rotary motion
09/30/1980US4224858 Stroke-adjusting drive mechanism for machines
09/23/1980US4223531 Gas pressure to hydraulic pressure converter system in an oil pressure actuator
09/23/1980CA1086336A1 Cylinder assembly with split ring retainer
09/23/1980CA1086185A1 Linear fluid motor
09/23/1980CA1086157A1 Multiple input, single output mechanical actuator
08/1980
08/26/1980US4218997 Actuator devices
08/26/1980US4218960 Ram with two-part piston rod
08/12/1980US4216701 Swing type hydraulic servo-actuator
08/12/1980US4216700 Actuator device for actuating ejector of scraper
08/05/1980US4215625 Adjusting actuation operated by pressure medium
07/1980
07/29/1980US4214795 Piston braking device for hydraulic or pneumatic cylinders
07/29/1980US4214607 Unidirectional flow limiter
07/08/1980US4211151 Jam proof piston
07/08/1980US4211150 Air cylinder
07/08/1980US4211149 Split lock ring for locking actuator and method for manufacturing the same
07/01/1980US4210064 Method and device for braking the speed of movement of the piston of a plunger-cylinder device
07/01/1980US4210030 Servo motor
07/01/1980US4209989 Servo motor operated by a heatable expansible substances
06/1980
06/25/1980EP0012582A1 A single acting, multi-stage hydraulic ram
06/17/1980US4207807 Plastic air cylinder assembly
06/17/1980US4207803 Stopping device for double-acting, pneumatic operating cylinders
06/17/1980US4207802 Hydraulic cylinder with improved dashpot and porting
06/17/1980US4207800 Single directional sealing piston ring
06/10/1980US4207565 Piston overtravel indicator
06/10/1980US4207564 Piston overtravel indicator
06/10/1980US4206900 Valve operator
06/10/1980US4206684 Hydraulic jack
06/03/1980US4206455 Piston overtravel indicator
05/1980
05/29/1980WO1980001097A1 Cushioning device for fluid jacks
05/29/1980WO1980001096A1 A pneumatic operating device
05/28/1980EP0011304A1 Oscillating hydraulic motor
05/20/1980CA1077744A1 Linear/rotatory converter
05/06/1980US4201509 Backhoe swing cylinder hydraulic circuit
05/06/1980US4201053 Telescopic cylinder automatic synchronizer
04/1980
04/30/1980EP0010096A1 Controlling fluid actuated piston and cylinder devices
04/29/1980US4200031 Locking cylinders
04/22/1980US4199344 90° Sweepout cylinder with adjustable stroke
04/22/1980US4198921 Fluid pressure actuators indicator
04/16/1980EP0009974A1 Swing post hydraulic circuit
04/16/1980EP0009919A1 Reciprocating drive means
04/16/1980EP0009587A1 Linear-unit control means for industrial robots
04/15/1980US4197786 Support jack more particularly adapted to support a tool holder of a machine tool and in particular of a polishing machine
04/02/1980EP0009346A1 Fluid supply systems
04/01/1980US4195714 Piston and extensible cylinder therefor
03/1980
03/18/1980US4193733 Hydraulic excavator machine having self-contained electrohydraulic power units
03/18/1980US4193337 Pneumatic rotary actuator
03/04/1980US4191095 Hollow piston for hydrostatic machines
03/04/1980US4191092 Telescopic ram
02/1980
02/26/1980US4189985 Air operated linear actuator
02/26/1980US4189983 Servomotor pressure control responsive to piston travel
02/26/1980US4189982 Feed pressure bypass valving for servomotors
02/20/1980EP0007960A1 Bellows-operated devices
02/19/1980US4188860 Locking mechanism
02/12/1980US4187766 Fluid device and method for making
02/07/1980WO1980000176A1 Multipurpose actuator
02/05/1980US4186911 Jack with translation and rotation movements
02/05/1980US4186649 Regulators
01/1980
01/29/1980US4185543 Piston cylinder assembly
01/29/1980US4185542 Actuator with frangible gland construction
01/29/1980US4185539 Locking device for hydraulic actuator
01/09/1980EP0006285A1 Method of manufacturing push plate and actuator rod assemblies; products made according to this method
01/09/1980EP0006246A1 Sound absorber for portable pneumatic percussion tools
01/08/1980CA1069414A1 Pneumatically braked blade assembly for a clipper machine
01/08/1980CA1069396A1 Regulators
12/1979
12/25/1979US4180274 Cylinder assembly with split ring retainer
12/25/1979US4179982 Device for detecting position of hydraulic cylinder
12/12/1979EP0006045A1 Control device for an hydraulic circuit and hydraulic motor unit incorporating such a circuit
12/11/1979US4177681 Apparatus for adjusting and locking a linear actuator
12/04/1979CA1067425A1 Piston and extensible cylinder therefor
11/1979
11/28/1979EP0005478A2 Device comprising a cylinder, a piston movable therein and a piston position transducer arranged within the cylinder
11/27/1979US4176264 Linear programmer for an actuator