| Patent Number |
Title Of Patent |
Date Issued |
| 7141752 |
Electric actuator |
November 28, 2006 |
| An electric actuator having an in-line rotation shaft, electric motor and encoder in which the encoder shaft, the motor shaft and the rotation shaft is concentric and integrally formed. |
| 6828522 |
Adaptable servo-control system for force/position actuation |
December 7, 2004 |
| An adaptable, servo-control system for force/position actuation generally includes an electric linear actuator and a controller. The controller interfaces with the electric linear actuator and with a number of I/O signals that are independent from the electric linear actuator. The co |
| 6756707 |
Electric actuator |
June 29, 2004 |
| An electric actuator having an in-line rotation shaft, electric motor and encoder in which the encoder shaft, the motor shaft and the rotation shaft is concentric and integrally formed. |
| 6705199 |
Precision servo control system for a pneumatic actuator |
March 16, 2004 |
| A precision servo control system for a pneumatic actuator has a piston positionable over a stroke of the pneumatic actuator using a supply of pressurized gas. A brake and a sensor system are connected to the actuator and to the servo control system. The servo control system operates to |
| 6584887 |
Linear motor device |
July 1, 2003 |
| A linear motion device having an elongated body a carriage moveable in a linear path relative to the body and a bearing positioned between the carriage and body for supporting the carriage for movement along the linear path. The device further includes a wedge member in the body for |
| 6523451 |
Precision servo control system for a pneumatic actuator |
February 25, 2003 |
| A precision servo control system for a pneumatic actuator has a piston positionable over a stroke of the pneumatic actuator using a supply of pressurized gas. A brake and a sensor system are connected to the actuator and to the servo control system. The servo control system operates to |
| 6418807 |
Stabilizer for ball screw actuator |
July 16, 2002 |
| A stabilizer for a ball screw actuator of the type having a housing, and externally threaded lead screw and a drive nut movable along the lead screw in which the stabilizer includes a first member rotationally fixed but movable linearly relative to the cylinder housing and a second membe |
| 6286413 |
Diaphragm actuator |
September 11, 2001 |
| A multiple diaphragm actuator for exerting linear forces of precise and repeatable amounts in opposite directions with no friction and no fluid leakage. |
| 6007247 |
Slot bearing |
December 28, 1999 |
| A slot bearing assembly for a member moveable relative to a slot such as a carrier for a slotted rodless cylinder in which the slot bearing is allowed to float relative to the moveable carrier. |
| 5927177 |
Multi-diaphragm actuator |
July 27, 1999 |
| A multiple diaphragm actuator for exerting linear forces of precise and repeatable amounts in opposite directions with no friction and no fluid leakage. |
| 5639136 |
Multimotion actuator for a rotary gripper |
June 17, 1997 |
| The present invention provides a rotary gripper for robotic use including a support portion for connection to a robotic apparatus, a gripper head movably mounted on the support portion and carrying a pair of opposed gripping fingers, a first drive mechanism for opening and dosing the |
| 5555789 |
Linear motion device |
September 17, 1996 |
| A linear motion device having an elongated body a carriage moveable in a linear path relative to the body and a bearing positioned between the carriage and body for supporting the carriage for movement along the linear path. The bearing includes a side rail adjustably connected to the |
| 4852465 |
Carrier bracket for power cylinder |
August 1, 1989 |
| A carrier bracket for use with a power cylinder of the type having an elongated cylinder member and a reciprocally movable piston therein for transferring reciprocal movement of the piston to a desired workpiece. The carrer bracket includes a central bracket portion, a pair of guide arms |
| 4817504 |
Oscillatory actuator with direct contact shaft-shoulder to end cap seal |
April 4, 1989 |
| A rotary actuator having a housing defining an opening, an output shaft extending through the opening, a stator vane and rotor vane associated with the output shaft and opening to define a plurality of actuation chambers and an inner surface of the housing extending inwardly past a s |
| 4813341 |
Pneumatic cylinder and means for powering a second pneumatic unit |
March 21, 1989 |
| A pneumatic cylinder having an elongatged cylinder member, a reciprocally movable piston, an elongated slot formed in the cylinder member, a seal for sealing the slot during reciprocal movement of the piston and a transfer means for transferring reciprocal movement of the piston to a |
| 4785716 |
Pneumatic cylinder and brake mechanism therefor |
November 22, 1988 |
| A pneumatic cylinder having an elongated cylinder member, a reciprocally movable piston, transfer means for transferring reciprocal movement of the piston to a work piece and a brake mechanism associated and movable with the transfer means for creating a braking force between the transfe |
| 4724744 |
Carrier bracket for power cylinder |
February 16, 1988 |
| A carrier bracket for use with a power cylinder of the type having an elongated cylinder member and a reciprocally movable piston therein for transferring reciprocal movement of the piston to a desired work piece. The carrier bracket includes a central bracket portion, a pair of guide |
| 4545290 |
Pressure cylinder |
October 8, 1985 |
| A fluid pressure cylinder of the rodless type having a reciprocally movable piston, an elongated slot within the cylinder and an improved sealing element for successively sealing the elongated slot during movement of the piston. The improved sealing element is constructed of a generally |
| 4373427 |
Fluid pressure cylinder |
February 15, 1983 |
| A fluid power cylinder having a cylinder with an elongated slot extending generally parallel to the longitudinal axis of the cylinder, a reciprocally movable piston and a strip sealing means for successively sealing the slot during movement of the piston. The sealing member is of a l |
| 4121840 |
Seal assembly |
October 24, 1978 |
| A seal assembly for use in a cable cylinder to form an effective seal about a generally cylindrical cable section. The seal assembly includes primary and secondary seal members disposed on opposite sides of an alignment sleeve and a retainer sleeve, all of which are disposed within the c |
| 4057257 |
Seal assembly |
November 8, 1977 |
| A seal assembly for use in a cable cylinder to form an effective seal about a generally cylindrical cable section. The seal assembly includes first and second seal retaining member disposed on opposite sides of a seal element, all of which are disposed within a cylindrical bore of a glan |
| 4053036 |
Wheel brake assembly |
October 11, 1977 |
| A combination wheel brake assembly for connection with a wheel or other rotatable element comprising a rotatable axle, a spring applied, hydraulically released brake assembly, a wheel hub rotatably supported on the axle and adapted for connection with the wheel and free wheeling hub |
