Abstract: 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 attached to an end portion of the shaft toward an upper body end. The shaft and flange are formed as an integral unit free of connection joints therebetween. The flange projects radially outward from the shaft beyond an inner body surface and is rotatable relative to the body through a horizontal plane. A first ball race is formed in the flange and a second ball race is formed in the body with balls disposed therebetween. Linear-to-rotary transmission means disposed within the body are operable for providing rotational movement between the drive member and body. The body utilizes a stationary seal to facilitate seal placement and reduce the overall length of the body.

Abstract: A mechanical drive, especially a stepping drive which can be driven by a drive shaft (14) for the conversion of a rotary drive movement to an output rotary movement which follows a given law of movement and can be taken from an output shaft (16), is provided with a spring-biased safety coupling (22; 26; 28) which disengages upon overload. The spring (30) biasing the safety coupling is supported on a biasing element which is mounted in the drive casing (12) for movement by a given amount in the direction of an increase or reduction of the spring bias, and which is part of the output of a cam drive whose cam is coupled co-rotationally with the drive shaft or output shaft (14 and 16, respectively).

Abstract: The meshing gear teeth comprise cylindrical profile teeth on a gear or rack and circular arc profile teeth on the other gear or pinion. Each cylindrical profile tooth is preferably mounted for free rotation about the cylindrical axis of the tooth. Driving engagement of the gears rotates the contacting cylindrical teeth, thereby providing rolling contact between the meshing gear teeth. At any instant, at least two cylindrical teeth on one gear are in engagement with one tooth on the other gear. With the motion of the meshing gears, the cylindrical profile teeth rotate into and out of the roots of the other gear without loss of rolling contact from entrance to exit. The constant contact and multi tooth engagement prevents backlash relative movement between the gears.

Abstract: A transmission having a reverse mechanism for use in an automotive vehicle which includes a forward shift drum both ends of which are rotatably supported by an engine case, and a reverse shift drum concentrically arranged with the forward shift drum and relatively rotatably fitted to the peripheral surface of the forward shift drum. This transmission comprises a first rotation positioning mechanism provided on one end portion of the foward shift drum and adapted to regulate a rotary position of the drum, and a second rotation positioning mechanism provided on the reverse shift drum at an end portion thereof opposite to the one end portion and adapted to regulate a rotary position of the reverse shift drum. These first and second rotation positioning mechanisms are disposed at the outer side of the engine case respectively.

Abstract: Herein disclosed is a transaxle casing to be used with a transverse type automatic transmission. An arcuate partition extending from the top to the bottom of a transmission gear case is disposed between the radially outermost rotary member of the transmission gear seat and a cover wall and in front of the transmission gear set with respect to the running direction of a vehicle. An oil sump is disposed below the transmission gear set. Thus, the lubricating oil splashed away the rotary member is guided into an oil return passage extending between the partition and the cover wall and opening into the oil sump so that it may be prevented from being caught again by the transmission gear set and heated to a high temperature.

Abstract: A mechanism particularly well suited for converting bidirectional rotation, as of a reversible electric motor or a hand crank, into the linear up and down motion of a windowpane relative to the frame of a passenger car door. Included is an elongate guide rail gently curved longitudinally to conform to the vertical curvature of the vehicular door and providing a vertical guideway on its convex side. A wire rope or cable is looped about a pair of terminal guide pulleys or nonrotatable guides on the opposite ends of the guide rail. One of the two stretches of the cable is coupled to a windowpane carriage which is coupled to the windowpane for joint up and down movement therewith along the guideway. A drive mechanism including a drive reel is mounted to the guide rail and coupled to the other stretch of the cable for bidirectionally driving the windowpane carriage along the guideway. The drive mechanism is compactly disposed on the concave side of the guide rail for minimal space requirement.

Abstract: A non-jamming electro-mechanical hydrostatic actuator system includes one embodiment in which a ballscrew assembly has a rotatable nut and an axially movable ballscrew. A motor rotates the nut to axially move the ballscrew. An actuator is operatively connected to a load to be actuated. A hydraulic system is coupled between the ballscrew and the actuator and includes a closed hydraulic circuit for statically trapping fluid in the circuit to effect movement of the actuator in response to movement of the ballscrew. The closed circuit is selectively opened to allow fluid flow in the circuit in the event of failure or jamming of the ballscrew assembly to allow reaction movement of the actuator in response to load forces. In another embodiment a rotary vaned assembly includes a cylinder housing a rotary vane, with the motor rotating the cylinder.

Abstract: Mechanical transmission manual control device includes a gear control lever (1) which is hinged around a shifting ball (11) to operate a main control connecting rod (2). A lever (12) is solid with the main control connecting rod (2) which operates a transmission control connector (4) carrying a selector (7), the lever (12) working, for selection of the gears, with a reaction link (3) which is connected by its other end (13) to a stationary element (8). There is also provided an element for modification of one of the elements of the kinematic chain which are placed between the knob (14) of the gear control lever (1) and the selector (7), i.e., the control lever (1), the main control connecting rod (2), the reaction link (3), and the control connector (4) to modify the relative position of the knob (14) and the selector (7) in relation to one another.

Abstract: A linear motion power cylinder utilizing a rotor with radially movable impeller vanes rotatably mounted within a cylinder having an eccentric bore, the chamber created between the rotor and cylinder being accessible by two ports, with one port located adjacent to each end of the cylinder. Fluid pressure within the chamber imparts a force on the impeller vanes which in turn drives the rotor. The rotation of the rotor is transferred through a system of planetary gears to a power screw which passes through the center of the rotor. This rotary motion is translated into linear motion by a threaded cylinder rod threadedly engaged with the power screw. The cylinder rod may be moved reciprocally in and out of the linear motion power cylinder increments by reversing the direction of the fluid flow into the cylinder chamber.

Abstract: 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 balls therein. The ball nut has an outer hollow element surrounding the inner hollow element and secured thereto. The outer hollow element has the same number of helical grooves, which extend for less than a revolution, on its inner surface as the inner hollow element. Each helical groove in the outer hollow element has its ends communicate through ball connectors with one of the helical grooves in the inner surface of the inner hollow element and the cooperating helical groove in the ball screw at two spaced portions to allow the balls to recirculate. Each ball connector is disposed within a slot in an end of the inner hollow element and rests on an arcuate portion of an inner surface of the outer hollow element.

Abstract: A ball nut having a ball return tube is formed with an externally threaded stud for supporting a mounting flange which is adapted to be screwed onto the stud. Angularly spaced segments of resiliently compressible wire are seated in an annular groove in one face of the flange. When the flange is screwed onto the stud, the segments engage a shoulder on the nut and compress to enable the flange to be tightened to a position in which the flange is in a predetermined angular orientation relative to the ball return tube.

Abstract: A shift lever assembly for an automotive transmission including a lower shift lever for engaging and operating an automotive transmission to select a desired gear stage. An upper shift lever is detachably coupled to the lower lever and serves for manual actuation to effect movement of the lower shift lever. One of the upper and lower shift levers terminates at one end in a shaft. The other of the upper and lower shift levers terminates at one end in a bore into which is received the shaft. The coupling is effected by a fastener that cams and secures the shaft in the bore. The coupling may be easily detached.

Abstract: An infinitely variable traction roller transmission with at least two traction rollers arranged between, and in engagement with, opposite toric traction discs for the transmission of motion therebetween includes, for each traction roller, a pivotal support trunnion provided with support rollers at opposite ends thereof and the housing of the transmission has partial circular tracks for supporting the support rollers and the trunnions to provide the engagement forces for the traction rollers with the toric discs.

Abstract: A fluid-powered helical actuator including a cylindrical body; a rotatable output member supported for rotation relative to the body and connectable to an external device; first and second independently rotatable sleeves reciprocally mounted within the body; a piston reciprocally mounted within the body for application of fluid pressure to one or the other opposing sides thereof to produce axial movement, the piston operatively engages at least one or the other of the sleeves to axially move the sleeves in response to axial movement of the piston; and torque-transmitting elements for transmitting torque between the first sleeve and the body, between the first sleeve and the output member, between the second sleeve and the output member, and between the second sleeve and the body.

Abstract: A transmission for a tractor, in which a hydraulic working machine lift is mountable at the position lower than the conventional, on the upper surface of a mission case so that an operator cab is lowered to that extent, whereby a high and low transmission unit, a multistage transmission unit and a PTO transmission unit are entirely disposed before a bearing wall of the mission case, a rear portion thereof housing therein a diff gear unit is depressed, and the hydraulic working machine lift is loaded on the depressed portion. Also, a rear axle housing is reduced in length not to largely laterally project and a disk brake device is used to simplify the structure.

Abstract: 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 the same plane of action into the thread (2). Thus the nut structure (3) is supported against the screw shaft (1) without tilting moments so that no neck bearing is needed. As a result the screw jack works with extremely little friction and with extremely little tendency to vibrate.

Abstract: A power-transmitting and torque-converting mechanical drive system provides an infinitely variable (IV) ratio of angular speed adjustments between a first shaft and a second shaft. Power is transmitted by means of a plurality of independent chains of balls pushing one another forward. These balls interact with a first body of revolution mounted on the first shaft and a second body of revolution mounted on the second shaft by means of cooperating groups of balls simultaneously constrained between sets of cooperating straight grooves and corresponding helically-laid grooves located on facing surfaces of the bodies. One group of balls is located between the first body and a plurality of segment structures, whereas the other group of balls is located between the second body and the segment structures equipped with short straight grooves.

Abstract: There is disclosed a rotary/linear actuator, wherein a power driver rotary component imposes a strain wave upon a flexible sleeve member, which is flexed into screw engagement with a rotationally fixed member for purposes of imparting linear movement to the sleeve member. The extent of linear movement of the sleeve member is preferably controlled by a rotational limit control device associated with the rotary component.

Abstract: A small metal shield is disclosed which lengthens the life of the rectangular springs in starter drives for internal combustion engines. The shield has a rectangular face which slightly overlaps the edges of the spring and a projection which seats the shield in the spring between the end of the spring and the cylindrical roller. The projection may be perpendicular to the face or at a slight angle from the perpendicular.

Abstract: This integrated wheel hub and upper steering shaft assembly foreshortens the steeing column and steering wheel assembly. The connection of the steering wheel to the upper steering shaft between the upper and lower bearings of the bearing housing allows the angularly adjustable head to be tilted with the wheel hub closer to the point of the pivot. This provides for foreshortened steering column length while retaining effective energy absorbing stroke for use in a side range of vehicle applications including those with short fore/aft space for column installation.