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4945778 |
Fluid-power device with rollers
A fluid-powered actuator having a body with an interior helical groove, a drive member supported for rotary movement relative to the body, and a carrier reciprocally mounted within the body. In a...
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4945781 |
Ball screw mechanism
The invention relates to a ball screw mechanism (10) having a nut (20) screwing along a worm spindle (12) with at least one set of balls (18) lodged therebetween. The nut is preferably an elongate...
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4939945 |
Gearbox drive system with plastic output gear
An adjustment gear mechanism utilizing a plastic adjustment gear and integrally formed structures which securely retain a drive member. The plastic gear is formed to provide both a gear tooth...
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4925169 |
Clamp with fast-acting, one-hand adjustment
The clamp includes a member having an anvil at one end and a threaded bore at another end with a longitudinal bore axis directed at the anvil. A rod having a threads and a longitudinal splines is...
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4924722 |
Recirculating ball mechanism
Recirculating ball mechanism comprising a body (10), an actuator shaft (16) rotatably mounted within the body (10) and turnable in response to rotation of an input shaft (12), an output piston (18)...
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4925179 |
Delivery fan with undulated fan pockets
A delivery fan includes a plurality of blades defining a fan pocket for receiving a signature. The plurality of blades includes two sets of blades. The blades of one set are axially equally spaced...
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4920817 |
Ball screw with screw cage in raceway ring of nut
A ball screw is provided in which the balls coacting with the screw and running in helical threads therein also run in parallel grooves of a raceway ring arranged coaxially about the screw. The...
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4921218 |
Translation nut to be used in a lifting unit
Translation nut for a lifting unit. Translation nut remarkable due to the combination of a sliding block (1) with a threaded tubular casing (19) on which it rests by means of a ball bearing (22),...
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4920816 |
Actuator with a clutch mechanism
There is disclosed an actuator with a clutch mechanism in which a shaft device for operating an external mechanism is formed with threads thereon so as to be engaged with or disengaged from threads...
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4914967 |
Crossover mechanism for guiding a cam follower through a cam track intersection
To guide a cam follower through the intersection of crossing portions of a cam track, a crossover mechanism is provided with a pair of crossover cam members which are separately, telescopically...
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4905531 |
Adjusting drive
An adjusting drive comprises an electric motor having a motor armature provided with a motor armature shaft, a worm transmission associated with the drive motor and having a worm shaft which is...
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4905534 |
Lead screw with balls recirculating by deflector with half-spherical supports
A lead screw with balls recirculating by deflector which has half-spherical supports with an undulating spheroidal movement for the self-alignment of the channel mouths of the nut-deflector unit is...
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4900059 |
Tilting and telescope traveling steering column arrangement
A tilting and telescope traveling steering column arrangement for an automotive vehicle. The telescope traveling mechanism of the steering column arrangement includes a pluarlity of balls which are...
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4898044 |
Cam-driven linear actuator apparatus
A precision, high load capacity linear actuator apparatus incorporating a rotary-actuated cam is disclosed. A moveable load carriage assembly containing a cam member mounted on bearings therein is...
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4898043 |
Variable ratio steering mechanism
Variable ratio steering mechanism comprising a body in which is rotatably mounted an input shaft, a drive shaft having a longitudinal axis, and coupled to the input shaft so as to be rotatable...
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4887479 |
Ball cage for helical ballspline
A ball cage for a helical ballspline of a mechanical movement device comprises a cage in the form of a tubular sleeve adapted to be arranged between a helically threaded inner member and a...
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4887774 |
Safety nut assembly for backstand apparatus
A safety nut assembly is provided for mounting to the carriage of a backstand apparatus to which a large roll of paper is rotatably mounted. The backstand apparatus includes an inclined screw...
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4887480 |
Externally serviceable ball screw having internal return means
The specification discloses a ball screw having an internal return which is selectively removable externally of the ball nut for servicing. The return is held in place by a spring clip operatively...
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4884466 |
Screw with recirculated satellite rollers
Rollers situated on the circumference of a threaded screw inside a nut have a cavity at each end containing a spring and a pin. When a roller enters the recirculation groove, the spring/pin...
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4881419 |
Fluid-power bearing actuator
A fluid-powered rotary actuated support for a platform, having a body with a vertical axial orientation during use. A drive member has a drive shaft extending coaxially within the body and a flange...
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4878390 |
Linear positioning apparatus
To support a long spindle with a spindle nut thereon, a plurality of support elements are located in a housing (1), the support elements (26, 226) including spring-biassed sliders which, when...
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4873740 |
Wiping mirror assembly
An improved rear-view wiping mirror assembly is described in which a rear-view mirror has placed against it a horizontal wiper connected at both ends to a bracket. The wiper is driven in...
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4867001 |
Output shaft assembly in power transfer device
In combination with a power transmission for an automotive vehicle, a power transfer device includes a transfer casing secured at one side thereof to a casing of the power transmission, a ring gear...
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4865165 |
Electrically actuated cable
The electrically actuated cable mechanism (10) comprises a housing (12) disposed about the cable (15) and having a movable conduit (20) extending from one end and a stationary conduit (30)...
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4864883 |
Recirculating ball nut for power screw system
A recirculating ball nut includes an inner hollow element surrounding a ball screw extending therethrough with the inner hollow element and the ball screw having cooperating helical grooves with...
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4859394 |
Method of molding a one piece plastic ball nut
By using an existing ball nut and ball nut screw of a ball nut screw assembly as master models, imprint molds can be molded from a silicone rubber material which positively profiles the threading...
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4858487 |
Device for transmission of movement by an outside gearing
Device for constant velocity transmission of movement between two parallel shafts with axes of rotation (16) and (17) connected by an outside gearing. The pinion (14) and the pinion (15) of the...
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4858525 |
Postage meter having a worm gear drive and guiding sleeve
This invention relates to a postage meter having a plurality of worm gears for adjusting the rotational position of postage print wheels. Each worm gear selectively moves a rack which is an...
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4856356 |
Screw jack
The nut structure (3) of a screw jack has ball bearing units (4, 5, 6) the middle one (5) of which engages from one side and the two outer ball bearing units (4, 6) engage from the opposite side on...
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4848174 |
Shuttle transfer system
A high helix, multi threaded screw shuttle transfer assembly (10) for transferring high load devices at high speeds includes a screw (18) having threads (23). Standoff brackets (26) and bearing...
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4846007 |
Fluid-power device using axially offset rollers
A fluid-powered device having a body with interior helical grooves, an output shaft with exterior helical grooves, a plurality of rollers having circumferential grooves, and an axially...
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4841844 |
Fluid actuators with LVDT feedback mechanisms
A fluid actuator characterized by a linear variable differential transformer (LVDT) feedback mechanism driven off the actuator screw shaft for indicating actuator position. A protective clutch...
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4841796 |
Ball screw having an axially extending ball deflector
A ball screw comprising a screw stem having on its outer periphery a helical rolling groove and a nut having on its inner periphery a helical rolling groove, and a deflector mounted on the nut and...
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4838102 |
Rotating drive mechanism for swinging doors especially on vehicles
A rotating drive mechanism for swinging doors, especially on vehicles, with a helical transmission consisting of a stator that is rigidly connected to the housing of the rotating drive mechanism, a...
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4829849 |
Power transmission system for vehicles
A power transmission system suitable for use in a four-wheel drive motorcar. A torque generated from a power source is directly transmitted to a first axle, and it is transmitted to a second axle...
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4827668 |
Chain operator for a window
The present invention concerns a chain operator for a window which comprises a chain formed of a plurality of interconnected chain links and a casing having a spaced first and second chain exit...
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4821592 |
Ball cage for a worm-and-nut type drive unit
The invention relates to a ball cage consisting of a cylindrical sleeve 1 provided with ball seats 7, 8 intended to receive balls 9, 10 intended to cooperate with a worm 11. The sleeve 1 is...
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4819495 |
Gear for converting a rotary into a translational motion
An arrangement for converting rotary motion into translational motion in which a motion-transmission device that is movable translationally, is divided into two strings that move longitudinally...
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4809824 |
Method and device for actuating a braking mechanism by a rotating electric motor
The actuating device of a braking mechanism comprises an electric driving motor and a gear pinion meshing with a first gear wheel integral with a screw screwed into a nut pressing on a plunger for...
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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...
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4799734 |
Linear device for rapidly adjusting and immobilizing a movable part relative to a fixed part
This device comprises at least one pair of screw-and-nut elements cooperative with the fixed and movable parts in respect of which elements the screw angle is large enough to ensure that the...
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4798260 |
Steering apparatus for a front wheel drive tractor
A steering apparatus for a front wheel drive tractor comprising, at each of opposite lateral sides thereof, a front axle, a front axle case housing the front axle, a kingpin, a transmission case...
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4796488 |
Differential whose a ring gear is mounted in sound damping manner on its carrier
A drive axle with a gear ring meshing with a drive pinion is designed with silent running properties, in that an intermediate member is secured to the differential carrier and is connected to the...
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4795172 |
Grease seal for a power screw system
A distortable diaphragm seal, which is preferably formed of felt, seals each end of a nut through which a screw extends. Grease, which is introduced into the interior of the nut to function as a...
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4793458 |
Shift motor assembly for a two-speed axle
An improved shift motor assembly for selectively moving a shift rod or similar member between two gear-engaging positions for use, for example, in a two-speed axle assembly is disclosed. The...
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4790203 |
Worm gear
In a worm gear comprised of a nut and a threaded spindle, the groove bottoms of the threads are provided with a central support projection, and a radially deeper region is provided adjacent the...
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4785685 |
Rack guide of synthetic resin for a rack and pinion type steering device
The synthetic resin rack guide to be housed in a gear box of a rack and pinion type steering device for a vehicle. The rack guide includes a generally semi-cylindrical head, an outer cylinder and...
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4784114 |
Kitchen ventilating system
A cooking or ventilating system has an extraction unit connected through an exhaust duct with the outside atmosphere, and a damper which is shiftable between positions operatively opening or...
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4779149 |
Positioning mechanism for a transducer in a multitrack magnetic tape apparatus or the like
A stepper motor is coupled via a motion translating mechanism to a transducer for transporting the latter across parallel tracks on a magnetic tape. The transducer has an abutment secured thereto....
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4779155 |
Disc driving device employing a seven drive head positioning unit
In a disc driving device with a carriage moving means including a screw shaft formed with a single spiral groove on an outer circumference thereof, the spiral groove being formed by a plurality of...
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