Abstract: A fishing reel attachment for use on a rod-and-reel combination. The attachment includes an electric motor which is selectively usable to replace or assist the hand crank for the reel. The device is particularly adapted for use by an individual having the full use of only one hand.

Abstract: A power liftgate assembly for a liftgate of a vehicle having a power drive unit and a plurality of driven gears. The plurality of driven gears is selectively driven by the power drive unit. The assembly further includes a first drive arm pivotally coupled to the vehicle and a second drive arm pivotally coupled to the liftgate at a first end and pivotally coupled to the first drive arm at a second end. The liftgate assembly still further includes an engaging device selectively coupled to at least one of the plurality of driven gears. The engaging device engages at least one driven gear with the first drive arm, thereby enabling the driven gear to drive the first drive arm. The engaging device is positionable between an engaged and a disengaged position, wherein the engaging device is operable in the engaged position to engage the driven gear into driving connection with the first drive arm.

Abstract: A door operator comprising electric actuating motor; a reduction gear; manual transmission mechanism between the electric actuating motor and the reduction gear, the electric actuating motor and the manual transmission mechanism independently actuating the reduction gear; a proximal clutch with a proximal disc, which is mounted on a rotating shift of the manual transmission shaft; an end disc of the proximal clutch secured on the rotating shaft of manual transmission mechanism; and an electromagnet secured on a bearing seat inside a housing of the manual transmission mechanism, which is controllable to produce a magnetic effect for a pull chain disc sleeved on the bearing seat to move axially.

Abstract: A power-actuated parking brake is provided that produces sufficient force to set a parking brake for a locomotive. A powered drive train rotates a sheave over which a brake chain is positioned. Rotation of the sheave draws up the brake chain that is connected at one end to the parking brake. The parking brake is set when sufficient tension is applied to the brake chain by the powered drive. The drive train includes a drive shaft driven by an electric motor and connected to the sheave through a planetary reduction drive and a clutch.

Abstract: An electrically operable tubular lock assembly includes a support to be mounted on an inner side of a door, a hollow cylinder having an outer end mounted on the support and an inner end extending inwardly from the support, a spindle extending axially inside the hollow cylinder and connected to the hollow cylinder for simultaneous rotation therewith, a rotary handle body connected to the inner end of the hollow cylinder, a driving wheel mounted on the support around the hollow cylinder and having a first gear part adjacent to the support and a second gear part adjacent to the handle body, an electric motor mounted on the support adjacent to and externally of the driving wheel, a first transmission mechanism mounted on the support and connected to the first gear part and the motor, and a second transmission mechanism mounted inside the handle body and connected to the second gear part and the spindle.

Abstract: A clutch mechanism adapted to facilitate disengageable manual operation of a roller door or shutter comprising a chain pulley wheel journalled for rotation about the axis of a first shaft permanently engaged with or common with the main shaft about which the door or shutter is stored but not constrained to rotate with the first shaft at times when such shaft is driven other than manually; a clutch disc journalled alongside the chain pulley wheel on the same axis and similarly free to rotate independently of the first shaft; a linking pin on the chain pulley wheel between the chain pulley wheel and the clutch disc to link the chain pulley wheel to the clutch disc such that rotation of one causes rotation of the other about their common axis; biasing springs on the clutch disc constraining the free end of the linking pin to bias the linking pin into an equilibrium linked position; the biasing springs being sufficiently weak that a light tug on the chain about the chain pulley wheel will allow limited relative r

Abstract: A window operating system for moving a vehicle window up and down that includes an electric drive motor having a gear coupled to a window movement mechanism through a magnetic clutch assembly wherein the drive gear includes a crank extending outwardly therefrom and through the door facing surface and is selectively connectable to a roll up crank having a fold out handle and a protruding socket member. The door facing surface includes a cavity or chamber into which the emergency crank can be stored and rapidly retrieved in an emergency. The magnetic clutch is only engaged when the power is supplied to the electric motor in either direction.

Abstract: There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in response to operation of a reversible electric motor.

Abstract: The present invention is directed to a modular roll-up partition assembly, such as a rolling protective shutter, implementing an improved mechanism for raising the partition in an emergency by disengaging a motor from a rolling shutter. The mechanism includes a cable that passes through an axial passage in a spring shaft to which a torsion spring is mounted. When the cable is pulled, the coupling mechanism is separated from the motor drive shaft, thereby disengaging the spring shaft from the motor drive shaft and permitting the torsion spring to quickly raise the rolling shutter.

Abstract: An operating system for controllably moving in upward and downward directions a sectional door (D) in relation to a door frame (12) having a pair of jambs (13, 14) and an interconnecting header (15), including a counterbalancing system (30) having a drive tube (31) interconnected with the sectional door proximate the ends thereof, a motorized operator (10) mounted adjacent to the drive tube and between the ends of the sectional door, and a drive train (70) interconnecting the drive tube and the motorized operator for selectively driving the sectional door in upward and downward directions.

Abstract: A motorcycle having a throttle rolloff switch that is operatively associated with the throttle control and the cruise control device to deactivate the cruise control device when the throttle control is rotated to reduce the speed of the motorcycle. The rolloff switch includes a magnetically-sensitive sensor, a magnet positioned in spaced relation to the sensor and movable relative to the sensor, and a coil spring positioned between the sensor and the magnet so that the sensor and the magnet are normally biased in separated relation.

Abstract: An automatic door opener adaptable to manual doors which includes a door hinged along at least one edge to a door frame, and manually movable between open and closed positions; an automatic door opener mechanism secured to the door, which further includes a motor; a first gear driven by the motor; at least an output gear for driving an output shaft secured to the door; a pair of gear dog portions on a face of the output gear defining free travel spaces therebetween; a pair of pins extending from the output shaft within the travel spaces, so that when the output gear is rotated by the motor, the gear dog portions engage the pins on the output shaft and rotate the door from a first closed position to a second opened position; a timer for allowing the door to remain in the opened position a pre-determined amount of time before returning to the closed position; and when the door is moved manually to the opened position and allowed to close, the pin members are not engaged by the gear dogs, and travel within the f

Abstract: A power option is provided for a manually-operated material lift that employs a telescoping mast system which is extended or retracted by a winch. A reversible electric motor is connected to the winch via two-way reduction gearing that remains in the drive train during manual operation and requires no clutches or disconnect means. The power option is initiated by selecting the position of a reversing switch that controls the motor, and closing an on/off switch which energizes the motor for rotation in the selected direction. When the on/off switch is open, the lift may be manually operated in the conventional manner.

Abstract: An automatic clutch type chain pulling mechanism for a motor rolling door for releasing the brake and winding up the door curtain by pulling the chain during electricity cutoff. The chain pulling mechanism is enclosed in a housing and is provided on the rotating shaft of the motor from the outside end inward with a drive block fixed on the rotating shaft of the motor which forms along its circumference a plurality of lugs protruding radially outward, an intermediate disk having an elongated radial slot and formed with a raised circular flange on its circumference with a friction clamping ring inserted within the inner surface of the flange, and a releasing rod mechanism. The releasing rod mechanism includes a brake releasing rod with one end fixed with a pin inserted into the elongated slot and the other end pivoted and having a pair of wing plates inclined upward fixed on the pivoted end for pushing an intermediate lever.

Abstract: A system for actuating electrical equipment, in particular a high-voltage section switch or a high-voltage grounding section switch includes, in a control box, a rotary drive unit for driving the contacts of the equipment. A control circuit includes "end-of-stroke" contacts associated with the contacts of the equipment. The system includes a portable electric motor having a self-contained power supply. The motor is equipped with a mechanical coupling for mechanically coupling the motor to the rotary drive unit, and is provided with an electrical connector for connecting the motor to the control circuit.

Abstract: Manual rotation of a turbomachine rotor in order to bring the blades of the rotor one by one in front of an endoscope to check the blades is effected by a shaft which is rotatably connected to the rotor and which may be, for example, a shaft of the auxiliary equipment of the turbomachine, the shaft being manually rotatable by a driving shaft which is mounted in an opening in the casing housing the shaft and which is engageable with the shaft by self-disengaging coupling, a seal being provided between the driving shaft and the casing.

Abstract: A selectively engageable motor-drive assembly operable for moving a vehicle door or ramp to enable manual operation or motorized operation is provided, having a motor, a pulley drawing a cable attached to the door or ramp, a torque-multiplying arrangement positionable between a fully-engaged position and a partially-disengaged position, and an actuator mechanism for positioning the torque-multiplying arrangement in accordance with a selection of manual or motorized operation. The actuator mechanism may be actuated by a solenoid that is activated by an operator through a control unit. Also, a cam may be provided to define the movement of the actuator mechanism.

Abstract: A vehicle seat having an adjusting mechanism including a locking and releasing device constructed and arranged to be moved between (1) a locking position wherein the locking and releasing device is operable to lock the adjusting mechanism to prevent adjusting movement and (2) a releasing position wherein the locking and releasing device is operable to release the adjusting mechanism to permit manual movement in one direction and return movement in the opposite direction. The adjusting mechanism includes a power operated assembly constructed and arranged to enable the locking and releasing device to be moved between the locking and releasing positions thereof, and a manually actuated remote control constructed and arranged to operate the power operated assembly to enable the locking and releasing device to be selectively moved between the locking and releasing positions thereof.

Abstract: A method is disclosed for imparting relative motion between a tool that is carried by a tool holder and a workpiece on a lathe. According to this method, a feed screw is provided, which has a first end and a second end and a threaded portion near the first end. A tool holder carrying a tool is fixed with respect to the second end of the feed screw, so that axial motion of the feed screw will be translated to the tool carried by the tool holder. A hollow drive tube is also provided, which has an internal diameter large enough to accommodate the feed screw and which is disposed to rotate about its long axis. The drive tube is mounted at a location that is fixed with respect to the workpiece, and a nut that is threaded to mate with the threaded portion of the feed screw is attached to one end of the drive tube. Apparatus for rotating the drive tube is attached thereto, and the second end of the feed screw is locked so that rotational motion thereof is inhibited.

Abstract: A manual braking mechanism is adapted for manually overridable remote conl. The mechanism is disposed in a generally planar region forward of a vehicle's handle bar that does not interfere with the vehicle body or a human vehicle driver. The mechanism includes a base plate releasably clamped to the vehicle's handle bar and a housing fixed on the base plate. A brake cylinder in the housing connects to a control lever swingable on the base plate about a lever axis, and the cylinder's reaction force biases the lever toward a brake releasing position. A link pivots on the plate at the lever axis, has a hinge connection remote from the lever axis and has a carrier closer to the lever axis to the hinge connection. The carrier cammingly rotates the lever as the link swings on the lever axis. The mechanism has a frame whose first leg connects to the base plate at the lever axis and the frame's second leg is releasably clamped to the handle bar.

Abstract: An auxiliary release device for a seat assembly is disclosed providing a release device which is operated by an activator located in a readily accessible position for the operator. The release device includes a hydraulic power supply for activating the mechanical release lever to enable fore and aft adjustment of the seat.

Abstract: Compressed air is introduced into a cylinder chamber to displace a piston closely to a target position. Then, a ball screw shaft is rotated about its own axis by an electric motor to inch the piston to the target position. Upon arrival of the piston at the target position, the ball screw shaft is stopped by a brake mechanism to hold the piston accurately in the target position. The drive shaft of the electric motor extends parallel to the ball screw shaft, thus reducing the entire length of a servo cylinder apparatus. Solenoid-operated directional control valves, for supplying compressed air to the cylinder chamber and the brake mechanism are coupled integrally to a cylinder assembly, so that pipes are shortened for allowing the piston to be displaced and stopped quickly and accurately.

Abstract: There is provided an improved turntable structure wherein a turning plate may be motor-driven or manually driven at the option of a user. The turntable includes a turning plate supported on a base plate via a rotation ring assembly. On the bottom surface of the turning plate is mounted a driving device from which extends a tie rod by which the user may manipulate the position of a driving wheel in the motor of the driving device to engage or disengage from the rotation ring assembly. The rotation ring assembly includes an upper sleeve affixed to the bottom surface of the turning plate, a lower sleeve affixed to the top surface of the base plate, and a bushing circumferentially opposing both the upper and lower sleeves. A plurality of roller balls are captured in aligned grooves formed into opposing surfaces of each of the upper and lower sleeves and the bushing.

Abstract: A drive device for a vehicle part that can be displaced between end positions, especially for a cover of an openable vehicle roof. The drive device is actuated by an electric motor that is connected, by a reduction gear, to a pinion gear placed on an output shaft. The drive device further has a switch element controlling the electric motor, to stop it in at least one predetermined position and an eccentric gear arrangement is provided to actuate the switch. The drive device enables an emergency actuation in which manual actuation of the output shaft is made possible by uncoupling of the electric motor while maintaining the coupling of the switching gear elements, so that, after an emergency actuation, no readjustment of the switching arrangement is necessary.

Abstract: A gear shift mechanism particularly suited for a drag racing car is disclosed that causes the gear shifts of a transmission to be sequenced upon the attainment of selectable predetermined conditions so that the drag racing car obtains its desired acceleration in an optimum manner. The gear shift mechanism comprises electrically or pneumatically operated cylinders that move the gear shift lever upon sensing optimum conditions related to the acceleration performance of the drag racing car. The cylinders are positioned on opposite sides of the gear shift lever and provide counter-forces during shifting through at least one gear and yet allow the gear shifting to preferably be accomplished in a single direction. The counter-acting cylinders eliminate overshooting of the gear shift lever during movement of the lever arm. Alternatively, manual input instead of predetermined conditions may be substituted into the gear shift mechanism.

Abstract: An engine control device for a boat, ordinary operated with power-assisting actuator, and manually operated through control cable at emergency state. The actuator has a rotary shaft supported by a casing, a slide gear mounted on the rotary shaft in axially slidable and non-rotatable, an output lever fixed on the rotary shaft, a manual input lever co-axially rotatable with the shaft. The slide gear has peripheral teeth for meshing with reduction gear and an engaging portion capable of engaging with the manual input lever.

Abstract: A drive assembly for a valve includes a motor, a transmission which is coupled to the motor and the valve, and a manual drive unit having a shaft which is arranged to be driven by a handwheel. The shaft has a small amount of axial play and is provided with a worm. The transmission includes a hollow gear having internal teeth coupled to the motor shaft and external teeth in permanent mesh with the worm. A membranous disc is mounted on the worm shaft in such a manner that the outer margin of the disc is held against displacement in axial direction of the worm shaft while the central portion of the disc adjacent the worm shaft is fixed against axial displacement relative to the worm shaft. However, the worm shaft can rotate relative to the disc. Strain gages in the form of strips are mounted on one side of the disc and are connected to an integrated circuit on the same side of the disc.

Abstract: The throttle control device controlling two engines of a same aerodyne which embodies the invention uses a drive mechanism mounted rotatably about a fixed axis and rotated by means of a servomotor controlled by a computer ensuring automatic flight velocity control for the aircraft, two levers respectively integral with two annular elements mounted rotatably about said axis, on both sides of the drive mechanism, two electromagnetic couplers respectively disposed between said annular elements and said drive mechanism, and two angular position sensors respectively associated with the two annular elements, these two sensors being respectively connected to the throttle control circuits of the engines of the aircraft. This system ensures the independence of the two levers and the level of safety required for automatic control of the aircraft.

Abstract: A ratchet wheel, connected to a motor through a worm gear and a worm wheel, is supported on a pedal shaft which pivotally supports a brake pedal. The ratchet wheel engages a ratchet member mounted on the brake pedal. When the brake pedal is depressed, the ratchet member rotates on the pedal shaft so that the brake pedal is turned with the ratchet wheel remaining stationary. When the motor is driven, the ratchet member is brought into engagement, so that the brake pedal is turned along with the ratchet wheel. When the ratchet member is operated by a release arm, the brake pedal is released from the ratchet wheel and returned to an original position.

Abstract: An improved declutch mechanism for a manual override for a valve. The declutch mechanism includes a U-shaped declutch layer that is fit with a spring-biased locking bar. The locking bar is biased to engage the housing of the override mechanism to prevent accidental or inadvertent operation of the declutch lever. A single hand may be used to disengage the locking bar from the housing to allow operation of the declutch lever. The declutch mechanism also includes a safety mechanism to prevent the override mechanism from being disengaged when its actuator shaft is not in the default position. The safety mechanism includes a plunger that is movable between a first position in which the plunger prevents the locking bar from being disengaged with the housing, and a second position in which the plunger is received within a keyway in the actuator shaft to allow the locking bar to be disengaged from the housing.

Abstract: A control for a motor vehicle drive having an automatic transmission includes a circuit configuration for generating an output signal adapting shifting points to a load state of the motor vehicle from an evaluation of a power takeoff rpm of the transmission or of a variable equivalent to it. The circuit configuration ascertains a deviation between a calculated and a measured power takeoff rpm in successive time intervals and forms a correction term by multiplication with a factor. At least one characteristic curve memory stores shifting points of the transmission. The at least one characteristic curve memory receives the correction term as an output signal for adapting a characteristic curve to the load state. In a method for controlling a vehicle drive having an automatic transmission, shifting points or characteristic curves for shifting are varied as a function of driving parameters.

Abstract: Balls are clamped between a first gear driven by an auto-focusing motor and a second gear driven by a manual focusing ring. The balls are arranged to revolve about a given axis. A projection having an elasticity and provided to the second gear itself is brought into contact with a fixing member provided at a predetermined position, so that a clamping force for clamping the balls is generated by the projection.

Abstract: An apparatus for both manual and powered operation of the sash of a double hung window, including a drive belt adjacent one side of the sash, a power drive for the belt, and a pulley carried with the sash and engaging the belt. Two ratchets having wheels with oppositely facing inclined teeth and pawls biased into engagement with the wheel of the respective ratchet through a connecting shaft secure the pulley against pivoting in either direction to effectively lock the pulley relative to the engaged belt. A ratchet housing is disposed in a sash recess and has a D-shaped opening on one end adjacent a cylindrical opening to the pulley. A bushing for the ratchet shaft is received in the sash cylindrical opening and includes a D-shaped flange receivable through an annular opening in the housing whereby twisting of the bushing misaligns the flange with a suitable tab to secure the bushing in the sash cylindrical opening.

Abstract: A power assist system for imparting an driving force to an operation cable operating a vehicle clutch mechanism is connected to the operation cable to define driving and driven portions of the operating cable. The power assist system comprises an outer casing, a motor having a drive shaft extending into the outer casing, a rotor stably mounted to the drive shaft, and a reel member mounted to the rotor for winding the drive and driven portions of the operation cable. The driving portion of the operation cable is connected to a clutch operation member of the vehicle. An ON-OFF switch is connected to the clutch operation member to control starting and stopping of the driving of the motor. When an operation force is applied to the drive portion of the operation cable through the clutch operation member, the ON-OFF switch activates the motor to cause the rotor to frictionally engage the reel member to impart a driving force to the operation cable to perform a clutching operation.

Abstract: A gear shifting mechanism for a transmission, capable of driving the gearshift drum of the transmission for turning in both a shift-up direction and a shift-down direction by operating a switch or a valve. A sector gear is formed on a gearshift arm fixed to a gearshift spindle to drive a gearshift drum. A driving gear, engaged with an idle gear engaged with the sector gear, is fixed to the rotary shaft of a pneumatic rotary actuator. The pneumatic rotary actuator is attached to the transmission case of a transmission, and compressed air is supplied into either a first pressure chamber or a second pressure chamber of the rotary actuator through a solenoid selector valve to turn the rotary shaft in either the normal direction or the reverse direction. The present invention provides an auxiliary gear shifting system which enables gear shifting operation without the operator using his/her foot.

Abstract: A pre-assembled disc stack having a predetermined cross-section within a preset tolerance which is installable and removable as a unit with respect to a drive, brake or a combination thereof, composed of a plurality of annular discs stacked in a prearranged order, in which a first set of annular discs is structured for engaging a first component of a drive, brake or combination thereof, and in which a second set of annular discs is structured for engaging a second component of the clutch, brake or combination thereof which is rotatably mounted with respect to the first component. The first and second sets of annular discs are mutually connected together as a unit by a plurality of alignment pins which pass through circumferentially disposed alignment holes in the second set of annular discs which effectively trap the first set of annular discs with respect to the second set of annular discs in the aforesaid prearranged order.

Abstract: In a linkage through which a manual selector is connected to a manual valve are a power unit and a connecting/disconnecting mechanism. In "P", "R", and "N", the connecting/disconnecting mechanism is connected and the power unit is made inoperative, whereby a movement of the manual selector is mechanically transmitted directly to the manual valve. In other shifts including manual shifts, the connecting/disconnecting mechanism is disconnected and the manual valve is operated directly by the power unit in accordance with positions of the selector lever.

Abstract: A reciprocating mechanism includes two cylinders oppositely extended outwards from a housings a piston slidably engaged in each of the cylinders, a cap fixed to the free end of each of the cylinders, a pair of gears rotatably supported in the housing, a pair of pinions engaged between the gears, and a pair of racks engaged with the gears respectively and secured to the pistons respectively. The pinions and the axles are rotated by the gears and the racks when the pistons move toward each other and move away from each other.

Abstract: A power door operator for multi-passenger mass transit vehicles, typically buses, features electric actuation of dual swinging doors. A manual activator having an ergonometrically correct actuating plunger, for emergency door opening, operates a sleeved clutch. Fixed to the sleeve clutch is a drive bar with arms having individually adjustable lengths. The drive arms actuate outboard door shaft levers on individual door leaf through door drive rods intermediate the door arms and drive arms. Each rod incorporates spherical rod ends. The drive arms also actuate limit switches establishing door opened and door closed circuitry for energizing the electric drive system. The adjustable length clutch door drive arms provide a convenient device for controlling door leaf closing sequence and residual or door holding force when the doors are in a closed position.

Abstract: The vehicle steering control device comprises a steering control member actuatable by the driver and a slaving device comprising two sensors each supplying a detection signal representative, respectively, of the angular position of the vehicle's steerable wheels and of the position of the control member, a motor for pivoting the steerable wheels in response to a control signal, and a slaving circuit producing this control signal in response to the detection signals. The steering control device further comprises a coupling member able to mechanically connect the steering control member to the steerable wheels when the slaving device is not working properly whereby, in such an event, the driver retains control over his vehicle's steering.

Abstract: A manual adjustment device permits emergency operation of a vehicle if a stepping motor that normally adjusts the position of a setting member between two limit positions becomes inoperative due to an electrical malfunction. The rotor shaft (19) of the stepping motor (3) is provided with teeth (29). A pinion (31) can be brought into engagement with the teeth (29) against the force of a coil spring (35). The pinion (31) is disposed inside the stepping motor housing (17) and is mounted on an adjustment shaft (33) that extends through an opening in the housing (17). A manual adjustment element (51; 105) is disposed outside of the housing (17) and is connected to the adjustment shaft (33). The manual adjustment element (51; 105) can be manipulated to press the pinion (31) into engagement with the teeth (29) and to then rotate the rotor shaft (19).

Abstract: A two-speed drive utilizing an electromagnetically operated control system wired with respective drive motors, automatically braked in the event of a loss of power, provided with pre-assembled clutch and brake disc stacks, and provided with a manual over-ride. A primary drive motor is connected at one end to an external drive shaft and at an opposite end to a primary clutch drive shaft. The primary clutch drive shaft is connected with a first set of discs of an oil shear clutch disk stack. A secondary clutch drive shaft is connected with a second set of discs of the clutch disk stack. The clutch disc stack is biased by springs to be in a normally clamped mode which is released by a clutch electromagnetic coil assembly. The secondary clutch drive shaft is connected by a gear reducer to a shaft which is connected at one end to a secondary drive motor, and at the other end to a first set of discs of an oil shear brake disk stack. A second set of discs of the brake disk stack is connected to a housing component.

Abstract: A three position electrically operated actuator has a self centering system so that if power is off for the actuator, it returns to a central position. The actuator comprises a center cavity with a first solenoid on one side and a second solenoid on the other side, a shaft extends through the center cavity and is joined to a first magnetic core of the first solenoid and a second magnetic core for the second solenoid. The shaft has a connection at least at one end for connection to a gearbox or the like. When the first solenoid is energized the shaft moves axially in one position so the connection is at a first position, when the second solenoid is energized, the shaft moves axially in the opposite direction so the connection is at a second position. A coil spring is provided in the cavity, and when neither solenoid is energized the spring moves the shaft so the connection is in a third position midway between the first position and the second position.

Abstract: A pressure force adjusting mechanism for a vibration wave driven motor for applying a predetermined pressure force for frictionally driving an annular elastic member in which a travelling vibration wave is formed relative to a movable member is provided with a fixed support member for supporting the elastic member so as to have a degree of freedom in the axial direction thereof, a pressing member for pressing the elastic member from the axial rear thereof toward the movable member, and a holding member receiving the reaction force of the pressing member and fixedly fitted to the fixed support member. The holding member and the fixed support member are fixed by a projected portion which is formed on the holding member being engaged with the bayonet type engagement portion of the fixed support member. The engagement portion has its pressure force holding engagement surface against which the projected portion bears formed into an inclined surface inclined with respect to the axial direction.

Abstract: A rotary cutting tool is described which includes a motor for moving the tool vertically into a surface to be cut. The motor is connected to the tool by a clutch which is most preferably a ball clutch selectively engageable to transmit drive. The clutch further moves out of engagement should a force between two clutch members exceed a predetermined slip force. This predetermined slip force is adjustable by adjusting a spring force which is applied to maintain the clutch members in the engaged position.

Abstract: A manual speed selector of an automatic vehicle transmission, having a manual valve capable of being changed over by a shift lever, and shift valves capable of being changed over by controlling a plurality of solenoid valves. Hydraulic pressure is supplied to or discharged from frictional engagement devices by the changeover of the shift valves to automatically shift the transmission. The shift lever can be moved between an automatic shift mode position and a manual shift mode position, and a transitive position is provided between these two mode positions. At the transitive posion, the manual valve is set in a position such as to enable supply of hydraulic pressure to the frictional engagement devices. At the transitive position also, the transmission can be set in neutral state. In the manual shift mode the solenoid valves can be selectively turned on or off to effect engine braking.

Abstract: A remotely controllable circuit breaker device for interrupting power in a circuit path between a source and a load includes local and remote monitoring capabilities and a worm-gear mechanism for reliable control of the interruption mechanism. The device includes a first contact and a second contact cooperatively arranged in the circuit path so as to provide current from the source to the load. At least one of the contacts are movable for interrupting the power provided to the load. The worm gear mechanism includes a motor with a rotatable shaft which responds to open and closed control signals generated from a remote location, and a gear, rotatably responsive to the rotatable shaft, for controlling the movable contact so that the circuit path is interrupted and established, respectively. The worm gear mechansim controls the movable contact using a coupling arrangement, which has a first part coupled to the movable contact and a second part coupled to the gear.

Abstract: A power-assisted hand brake for motor vehicles, which can be operated in an automatic and power-assisted mode with the aid of an electric motor. If the power assisted brake fails, a conventional parking brake is operated mechanically to apply emergency brakes. The handbrake includes a rotatable spindle with a threaded nut thereon which operates the brake by use of the motor. A carrier plate and pivot plates function to disconnect the nut so that a hand-operated lever can be used to manually operate the brake.

Abstract: A grinding clearance adjustment device for milling roller frames is disclosed, in which a casing contains two grinding rollers, one of which is constructed as a pivotable loose roller. Adjustment members, for the rollers are provided, as well as a device for the automatic setting of the grinding clearance by means of a remotely controllable drive motor, the latter being coupled to the adjustment members via transmission means. The motor operates through a clutch. In the preferred embodiment, the adjustment members are constructed as a first closed standard component, which has a lever-transmitted setting part with a longer and a shorter lever arm and which is laterally positioned in the vicinity of the grinding rollers. The drive motor and clutch are constructed as a second closed standard component, which is spaced from the first standard component, and the adjustment forces derived from the drive motor are coupled to the longer lever arm of setting part.

Abstract: A motor vehicle door lock controlling device, comprising a housing having set therein a driven rod which is fastened on the gear shaft of a driven gear through screw joint, a driving motor which has a driving gear mounted on the output shaft thereof and engaged with said driven gear, and a locking control motor which has an oscillating block mounted on the output shaft thereof and controlled to engage in or released from the teeth on said driven gear. Rotating the driving gear causes the driven rod to lock and unlock a door lock. Rotating the locking control motor causes the oscillating block to lock up or release the driven gear. A projecting block is made on the driven rod to trigger a microswitch during the movement of the driven rod, causing said microswitch to produce a corresponding signal to a control box so as to lock or unlock the other linked door locks.