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8920060 Rotation restricting device, robot joint and walking assistance device  
A rotation restricting device for restricting the rotation of a rotating part with respect to a base part, comprising a stopper supported so as to be capable of rotating around an axis of rotation...
7513723 Travel limit detection/control device for milling machine table  
A travel limit detection/control device for a milling machine table driven by a screw rod includes a power input section driven by the screw rod, a reduction/output section coupled to and driven...
6679362 Actuator device for a clutch device  
A clutch-actuator device is equipped with a position-detecting device for detecting at least one of the different possible positions of engagement, disengagement and partial engagement of a clutch...
6578444 Variable end-of-travel stop  
A variable end-of-travel stop mechanism, for controlling the rotation of a steering shaft in a steer-by-wire steering system having a controller, includes a first clutch assembly having a first...
6394255 Rotary motion limiting arrangement  
A rotary motion limiting arrangement includes a stationary component, a rotating component rotatable in opposite directions relative thereto, a pair of stops movably mounted on the stationary...
5924949 Apparatus for driving a roller-shutter door  
Apparatus for driving a roller-shutter door comprises a driving plate, a planetary-gearset, a stationary housing, and adjustable control means. The adjustable control means is mounted in the...
5873283 Motorized control for a derailleur  
A motorized control for a derailleur for bicycles including a box accommodating a motor. The motor has a drive axle pivotally connected to a worm for actuating a transmission mechanism comprising...
5678673 Motor vehicle clutch assembly having a hydraulic actuator, which hydraulic actuator has a clutch position regulating system  
An actuator for a motor vehicle friction clutch comprises a drive system, a transmission which converts its motion into an essentially translational motion of an output element, whereby the travel...
5647137 Probe arm for machine tool  
An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which...
5620078 Stroke control device for an actuator rod of a linear actuator  
A device providing an accurate adjustment of the length of a reciprocating stroke of an actuating rod of a linear actuator. The stroke control device includes a cam-plate mounting shaft 9...
5558196 Device for detecting limits of rotational motion in a robot  
A device for detecting the limits of the rotational motion of a rotating member in an industrial robot is provided. The rotating member rotates in a first and a second rotational direction about...
5446970 Probe arm for machine tool  
An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which...
5351789 Positioning mechanism  
A positioning mechanism includes a housing, at least one holding member inserted into a lateral opening formed in the housing at the side wall, thereof and an electrostrictive effect element...
5299678 Limit switch mechanism for garage door opener  
An adjustable limit switch mechanism for controlling the operation of an electric motor of a garage door opener over a selected range of movement including a motor driven threaded shaft supporting...
5284064 Quiet, single-cycle mechanism  
A low-noise, paper pick or other single cycle mechanism is obtained by employing a rotary solenoid (15) which has a force to a detent position which may be overcome by force from a drive roller...
5246095 Output torque sensor and control apparatus  
An output torque sensing and limiting mechanism, for preventing the continued application of torque to a load when the torque exceeds a selected value. The mechanism is positioned at the end of a...
5241873 Transmission that converts a rotary into a translational motion  
Transmission that converts a rotary into a translational motion and is preferably attached to a motorized drive assembly, with a rotary drive mechanism and a translationally channeled...
5233883 Mechanical actuator with scales indicating the position at which a limit control element will be operated  
An actuator of the type having a limit switch for setting the range through which the actuator's output element moves, has a first element fixed to the output element and a second element carrying...
5230416 Automatic stop device with sliding yoke for electric motor  
The device comprises at least one lead screw (2) driving a sliding yoke (23) whose guide bar (22) is mounted on a rocker arm (19). The lead screw actuates a switch (27) by means of a cam (28) via...
5086900 Power converting mechanism  
In the electric actuator of the present invention, the power converting mechanism is provided for converting the rotary power of the motor into linear power of the driven member, which needs no...
5062312 Actuator  
An actuator is provided with a motor having a worm, a worm wheel in engagement with said worm and having a pinion-engaging part, a pinion having a worm wheel-engaging part and a rotational axis...
5002172 Electrically actuated seat actuator and lock  
An electrically driven lockable actuator for an airline seat assembly is provided with an extendable and retractable actuator arm driven through a gear train by an electric motor. The actuator arm...
4946425 Electromechanical bicycle gear shift mechanism  
A bicycle gear shift mechanism (8) to be actuated by an electric motor (m) has a carrier for an actuator member (S) comprising a tensioning arm (29) of a derailleur or a shift plunger of a hub...
4890713 Pan and tilt motor for surveillance camera  
A pan and tilt mechanism for a surveillance camera that can pan through two full revolutions. A bell crank has one arm in the path of rotation of a pair of switches, and the bell crank can be...
4828094 Motion range limiting apparatus for industrial robots  
An apparatus for limiting range of motion of an industrial robot in accordance with the invention includes an indicating section (7) for indicating e.g. angles of rotation provided on a stationary...
4805472 Rotary torque transmission apparatus for four-wheel drive vehicles  
A rotary torque transmission apparatus for a 4-wheel drive vehicle in which a rotary torque of a worm wheel of 4-wheel drive vehicle provided with a reciprocably movable fork shaft, to which a...
4775039 Electrically-operated, curtain drawing/undrawing mechanism  
An electrically-operated curtain drawing/undrawing mechanism comprises a reduction gear connected on the output shaft side of a motor and a driving pulley connected to the reduction gear through...
4702123 Apparatus for driving rod for rotation  
A rod actuator which includes a d.c. motor, a reduction gearing, a solenoid assembly which is used to define an intermediate stop position, and rotation stops. The angular extent through which an...
4670978 Connector mounting press  
A connector mounting press for mounting connectors onto a circuit board. The press includes a connector receiving space and a device to releasably hold a connector therein to be picked up by a...
4645042 Hydraulic damper  
A hydraulic damper of adjustable damping force type includes a piston working in a cylinder and partitioning the interior of the cylinder into two liquid chambers, a piston rod with one end being...
4553656 Power actuated operator for windows and the like  
A power actuator for a window includes a rotary drive member and a rotary driven member which is turned by the drive member and which is connected to the sash of a window to open and close the...
4538717 Control apparatus for a step drive  
The invention relates to a step drive assembly which includes a rotatable operating unit for operating a tool or knife or the like. The assembly has a change-over clutch for selectively connecting...
4494203 Method for correcting the deviation of a predetermined stop position in a loom  
A method positioning control is disclosed, to stop mechanisms of a loom at predetermined positions when stopping the loom operation, in which the loom is directly controlled by a microcomputer. In...
4421096 Vent damper drive  
An automatic vent damper control mechanism for use on furnaces or the like having a spring loaded open position and an electric motor which drives it to a closed position, against the spring bias,...
4413449 Motorized system for cleaning drain troughs  
A drain trough system is disclosed wherein the drain trough may be mechanically inverted to permit any debris therein to fall out. The system involves a series of hinged mounting brackets in...
4403672 Dual linkage coupling mechanism for a moped for engaging a motor driven pulley with the moped rear wheel  
A coupling device, located between the drive part and the cycle part of a moped, wherein the crank drive is provided with a stationary double pinion, connected by an endless chain to the...
4328885 Actuator activated switching mechanism  
A switching mechanism can be utilized in conjunction with an electrically driven actuator, for example, either a linear or rotary operated actuator. The switching mechanism can be utilized to...
4311225 Device for driving driven member by roller chain  
A door member such as a garage door is driven by a motor through a roller chain having a finite length to travel in the garage opening and closing directions. The roller chain is driven by a...
4310087 Single revolution clutches, particularly for franking machines  
A single revolution clutch in a reduction gear in a franking machine is designed to avoid fraudulent operation and double cycling and for economical production by arranging a worm to drive a split...
4295555 Limit switch assembly manufacturing machine  
A manufacturing machine such as an automatic assembly machine is disclosed which includes a work station which can include linear motion devices and rotary motion devices. A conveyor system is...
4246523 Brake timing control method and apparatus therefor  
Disclosed is a brake timing control method and apparatus for use with a press machine including a press slide driven through a crank shaft by a variable speed motor to stop the moving press slide...
4230210 Clutch for a textile machine  
The pawl is retracted from the intermittently rotatable input shaft via a controlled abutment and a spring biased lever-mounted or piston-mounted roller. The abutment serves to start retraction of...
4215588 Control device for an intermittently movable driver member  
A control device for driver member comprises an intermittently movable driver member, a follower member adapted to follow the driver member for displacement, retention and return displacement, a...
4167694 Control device for a periodically oscillating member  
A control device is disclosed for controlling the drive means and consequently the oscillation range of a periodically oscillating member particularly when it is necessary to maintain the speed of...
4116744 Control apparatus for a tire building machine  
An apparatus associated with a tire building mandrel for controlling the movements of certain machine members in the delivery and applying of tire building stock to said mandrel. The various types...
4093056 Single revolution mechanism  
A single revolution mechanism is disclosed in which a feed roll is mounted on a print lever which is attached rotatably to a pivot. By rotating the lever, the feed roll can be brought into contact...
4079597 Drive unit for awnings and roller blinds  
A drive unit for awnings and roller blinds is disclosed. The drive unit is adapted to be installed in a tubular shaft upon which an awning cloth or the roller blind is to be wound. More...
4020938 Remote control apparatus for varying engine speeds and the like  
A remote control apparatus for varying engine speeds includes a housing and a reversible constant-speed electric motor mounted on the housing, the motor being adapted to drive a pulley at a...
4013895 Clamping tool and method  
A clamping tool is provided with an electric motor as a driving source of the tool. The condition of the axial force of the clamping means, such as a bolt and nut, on the clamped elements, such as...
3919891 Electrical gear changer for chain driven vehicle  
There is disclosed herein an electrical arrangement for changing gears in a chain driven vehicle having multiple coaxial chain driven sprockets of different diameters.