Matches 251 - 300 out of 562 < 1 2 3 4 5 6 7 8 9 10 11 12 >
Match Document Document Title
4961392 Self-locking mechanical steering helm  
A self-locking mechanical steering helm for a boat includes a worm gear set having a worm fixed on the steering wheel shaft and a worm gear clustered with a cable sprocket for controlled the...
4955248 Angular gear for venetian blinds  
The present invention relates shortly to an angular gear (1) for use in venetian blinds for angular adjustment of the venetian blind laths from a place beside the venetian blind. The angular gear...
4951519 Rotation transmitter  
A rotation transmitter includes a worm shaft having an hourglass-shaped portion at the center thereof, a plurality of metal balls arranged in a row on a ball circulation path, a cylindrical housing...
4947699 Worm reduction gear assembly  
A worm reduction gear assembly has a casing or housing composed of two tube parts and three flanges on ends of the tube parts. The worm wheel is journaled between bearings in one tube and meshes...
4943019 Levelling system for camera cranes  
A levelling system for a camera crane employs a tachometer directly coupled to a horizontal pivot of the crane. The output of this tachometer is used to control a motor which by means of a worm and...
4924721 Worm gear elevator drive and assembly method  
An elevator drive has an electric motor 12 which drives a worm 30 that drives a gear 20,28 on a shaft 22, at right angles to the worm 30. The output shaft is in the horizontal plane, and an...
4917200 Steering method and apparatus for skid-steering vehicle  
Improved steering systems are provided for skid-steering vehicles such as military tanks, track-type tractors and the like. A diesel engine may be used to rotate a drive shaft interconnected by...
4905532 Power transmitting apparatus  
A power transmitting apparatus is comprised of an electrically operated motor having a shaft which is rotatable in one or the other direction, a worm-gear provided at an outer periphery thereof...
4900960 Electric actuator with output shield and mating gear  
An electric actuating bolt motor with a gear unit for use in a motor vehicle, the motor including a shaft rotatably supported in a motor housing and a toothed part arranged externally of the...
4899608 Gear arrangement, in particular for use in connection with motor vehicle window lifter drives  
In a gear arrangement whose output shaft (5) is rotatably mounted in a gear box (6) and which corotates by means of a dog plate (3) via an axially interposed cushioning disk (2) with a gear (4)...
4890989 Positive displacement machine with a plastic gate pinton  
In a positive displacement machine, a rotor has screw grooves in which pressure chambers are variably limited, at one end, by teeth of a plastic pinion which is the front element of a composite...
4885948 Stabilized motor driven actuator  
An electric motor actuator (10) has an armature shaft (18) with a damper (28) comprising a collar (30) fit tightly into a housing (14) and slid over the shaft (18). The damper (28) has a plurality...
4880274 Power reclining device of seat  
A power reclining device for a seat is disclosed which comprises a base plate secured to a seat cushion; a pivoting arm secured to a seatback, the pivoting arm being pivotally connected to the base...
4854808 Multi-articulated industrial robot with several degrees of freedom of movement  
An industrial robot comprising a column housing a first group of coaxial hollow shafts rotatably coupled to a first articulated joint positioned at about 60° to the first group of hollow shafts. A...
4852706 Gate operator  
An operator mechanism for a sliding gate including an electric motor driving a speed reducer through a worm gear and worm wheel arrangement and a multi-disk clutch positioned within the housing of...
4852419 Control device, in particular for a motor-vehicle friction clutch  
The control device for a motor-vehicle friction clutch incorporates an electric motor which drives an output member in a substantially translational motion through a motion conversion crank gear...
4843904 Work positioner  
A work piece positioning device which has a table upon which the work piece is supported is disclosed. The table is rotatably mounted on a sub-assembly which is tiltably mounted on a frame such...
4838117 Camera panner  
A panner for a camera or the like has a base on which is mounted a housing carrying a support for the camera or the like mounted above the housing. Drive means serve to rotate the housing relate to...
4833934 Roller worm drives and roller wheels for use therein  
In a worm wheel for a roller worm drive, each roller is movable along its axis relative to the body of the wheel, and biased towards an extended position by a spring. The springs are mounted in the...
4831889 Conical worm gear for a multi-speed bicycle drive mechanism  
A multi-speed chainless drive mechanism for a cycle-type vehicle comprises a drive shaft rotatably driven by a pedal actuated gear train. The drive shaft, which includes a universal joint, extends...
4827790 System for the automatic recovery of play between a worm and worm gear  
An improved system for the automatic recovery of play between a worm and a worm gear, particularly in welding robots, the system being formed by at least one resilient member of the cup spring type...
4821596 Rotator  
A rotator comprises a gear housing which has a lower attachment for fitting the housing to the top of a mast, and which has extending therefrom a tube which can be rotated about its longitudinal...
4813530 Conveyor drive for miner  
A conveyor drive transmission for a secondary conveyor system is disclosed. The secondary conveyor system is designed to feed material cut by a mining machine onto a primary conveyor which would...
4813303 Power drive speed reducer  
A speed reducer construction for use with a drive motor which has a drive motor housing and a drive motor shaft which extends out of the housing comprises a reducer housing which is adapted to be...
4802278 Gear driven tube cutter  
A tube cutting tool is described in which a cutting head is rotatably mounted within a cutting body wherein both define "C" shaped slots to enable the cutting tool to be inserted laterally over a...
4802374 Device for controlling the displacement of an element, in particular of a seat or parts of a seat of a motor vehicle, in relation to a base  
The control device comprises a motor (5) having a shaft (7a) provided at one end with a worm (8a) to drive a nut-wheel (9a), the set of the worm (8a) and of the nut-wheel (9a) forming part of a...
4791831 Gearmotor, housing and associated method  
A motor and associated gear system share an extended shaft axial with the motor. A rotor and a driving gear are attached to the shaft. Such an integral gearmotor concept minimizes coupling and...
4790202 Drive apparatus for power seats  
An apparatus for driving a power seat in an automotive vehicle includes a worm threadedly engaged with a worm wheel accommodated in a housing and receiving driving power, a plug supporting one end...
4782716 Roller bearing gear system  
An anti-friction worm-wheel assembly wherein the anti-friction elements are ollers carried by the worm element. The rollers sequentially move through grooves in the edge surface of the wheel...
4774849 Gear mechanism with wear compensation  
A steering gear mechanism includes a housing and a worm gear having an input portion. The worm gear is supported for rotation in the housing. A sector gear has teeth in meshing engagement with...
4774848 Worm reduction gear  
A worm reduction gear has a casing formed by a pair of tubes oriented at right angles between another and respectively receiving a wormwheel shaft and a wormshaft. In the tube receiving the...
4770056 Window lifter-drive unit, especially for a cable-window lifter  
A window-lifter drive unit for a cable-window lifter which includes a housing in which a worm gear as well as a cable drum taken along by the worm gear are provided between two mutually opposite...
4770055 Torque shock absorbing device in an electrical motor-speed reducer unit for driving accessories in motor vehicles  
The device comprises a worm wheel (1) driven in rotation by a worm (2) coupled to the output shaft (3) of a motor-speed reducer (4), a gear pinion (5) associated with the worm wheel (1) for driving...
4766777 Interrupted thread lock mechanism for an engine-transmission assembly  
A mechanism for operatively connecting an engine and transmission within a ehicle. The mechanism includes a rotary cylinder-like structure 33 having spline lock elements adapted to mesh with spline...
4756207 Motor-speed reducer for the simultaneous driving of two structures  
The motor-speed reducer comprises an elongated tubular case (1) in which is disposed a motor (2) provided with two coaxial output shafts extending in opposite directions (4 and 6). Mounted on the...
4748865 Device for absorbing impulsive torque in motor with worm gear  
A motor coupled with a worm gear for output power transmission has a motor shaft with a worm held in mesh with the worm gear. The worm gear has a plurality of circumferentially spaced holes. An...
4742726 Arrangement to limit the axial play of a motor-drive shaft mounted with plain bearings  
The object of the invention is to provide a means of limiting the axial play of a motor shaft while dispensing with the use of an adjustable stop screw that has to be secured separately after it...
4739671 Tapered worm  
A worm and meshing worm gear are provided. The worm has oppositely tapered frustoconical portions at either end thereof. The angle of taper of the two tapered portions is the same, but in different...
4736644 Adjustable gear support bracket  
The tooth depth of a gear meshing with a worm wheel, such as used in an electricity meter register, is adjusted by providing a mounting plate for holding the shaft of the toothed gear having a...
4716420 Pen turret rotation for plotters  
In a plotter (10) having a plurality of pens (14) stored in a rotatable turret (16) for selective use in a plotting operation, the turret may be rotated by the drive motor (32) used to move the...
4709877 Deployment and actuation mechanisms  
A mechanism for rotating a missile control surface 6 about an axis 26 from the illustrated stowed position within the missile to a deployed position in which it extends radially from the missile...
4699017 Electric motor-speed reducer unit for driving accessories of motor vehicles, such as window glasses  
The unit comprises an armature (1) provided with a rotary output shaft (2) and a speed reducer (3) provided with a shaft (6) supporting a worm (5) engaged with a worm wheel (4) for driving the...
4693132 Drive mechanism for drawout high amperage multi-pole circuit breaker  
An assembly for protecting a circuit breaker drawout mechanism from damage which may be caused if excessive torque is applied to operate the mechanism. The invention relates to drawout circuit...
4686863 Rotary actuator  
A rotary actuator comprising a first rotor rotatable around a first axis and an axial end surface with a plurality of circumferentially spaced and axially projecting first projections, attending...
4683770 Balancing gear apparatus for remote positioning device  
The present invention comprises a balancing gear assembly employed to statically balance a camera or like equipment mounted upon angular positioning equipment. Remote angular positioning equipment...
4679449 Speed meter drive device for automobile  
The mounting of a speed meter drive gear for an automobile is improved. That is, the speed meter drive gear is provided on an outer circumferential surface of a connecting member for transmitting a...
4677908 Slide adjusting device for a press  
A press having a slide adjusting device and which has a press crown, a crank shaft mounted on the crown and having an eccentric portion, a connecting rod mounted on the eccentric portion, a slide...
4671130 Drive assembly for astronomical telescope  
A sidereal-rate drive assembly for an astronomical telescope which includes a worm gear for rotating the telescope about its polar axis and which is engaged by a motor driven worm. The worm gear...
4665765 Anti-friction worm gear speed reducer and needle screw  
An anti-friction worm-worm gear type speed reducer torque converter is disclosed. The speed reducer has a rotatably mounted worm gear adapted to mesh with a rotatably mounted worm incorporating a...
4665763 Worm gear drive  
A worm gear drive wherein revolvable spheres captured in respective cages are equally spaced about a wheel rim with their centers on a common circle to mesh with a worm groove by rolling only on a...
Matches 251 - 300 out of 562 < 1 2 3 4 5 6 7 8 9 10 11 12 >