Abstract: A swash plate type compressor having shoes provided with center holes on the slidable surfaces. The center hole provided with a bottom acts as a reservoir for lubricating oil and supplys the oil on the slidable surface of the shoe, which slides against the swash plate. There can be a second ring groove concentric to the center hole, or annexed grooves which are stretching outward radially from the center hole. The center hole also prevents the center part from protruding outward by thermal expansion, which is caused by friction. The slidable surface of the shoe is preferably coated with a layer containing solid lubricant so as to smooth the sliding motions.

Abstract: An internal combustion engine includes four cylinders arranged concentrically about a driving shaft and each having two opposing pistons which are linked to wobble elements via respective connecting rods. The wobble elements are supported by the driving shaft and transmit the movement of the pistons into a rotational movement of the driving shaft. Each wobble element consists of two portions which are rotatable relative to each other about a wobble axis extending transversely to the driving shaft. The connection of the wobble portions is provided via a collar which is fixed onto the driving shaft. The connecting rods of two diametrically opposing pistons are linked to each wobble portion which are guided in respective guideways extending parallel to the driving shaft.

Abstract: A swash plate compressor is disclosed having integral plastic ball and shoe parts providing the drive between the opposite sides of the swash plate and the inner ends of double-ended pistons that straddle the plate.

Abstract: A percussion tool such as a hammer head comprises a housing for receiving a tool. A rotary drive mechanism rotates the tool about a longitudinal axis. A strike bolt is arranged for impacting against the tool. A cylinder sleeve is mounted coaxially with the longitudinal axis. A piston is slidable within the sleeve and is arranged to impact against the strike bolt. An impact drive mechanism is provided for imparting sliding movement to the piston toward the strike bolt. The impact drive mechanism comprises a wobble drive member mounted for longitudinal reciprocal movement and for rotary movement about an inclined axis disposed at an acute angle relative to the longitudinal axis. The wobble drive member is operably connected to the cylinder sleeve and to the rotary drive means to be driven thereby about the inclined axis so as to be longitudinally reciprocated. Thus, the rotary forces and impacting forces are derived from the same source.

Abstract: An inner race for a swashplate mechanism comprising an inner race having on its outer surface a ball groove extending at an angle to its longitudinal axis, and an outer race surrounding the inner race and having a ball groove formed in its bore, and a ring of balls rolling in the grooves of the two races characterized in that the inner race is formed as a tubular sheet-metal element with a ball groove formed therein without metal removal and having a hub bush in its bore to receive a shaft.

Abstract: In order to soften or stiffen the support offered by an elastic sheet, and in particular a vehicle seat back, the device comprises a flat spring (1) which is at each of its ends connected to the sheet (38), and fixed to a case (2, 3) containing an inclined disc (10, 12). Two discs are fixed to a control rod (24) which is mounted in the frame (36) of the seat and, when this rod is rotated, they cause the cases to be pivoted symmetrically, so that the spring is extended and stiffens the sheet or is shortened and renders the seat more soft.

Abstract: A swash plate mechanism, especially for high power swash plate pumps, incorporating, inside a casing (2) bounded by two end walls (21, 22), a driving component (3) mounted so as to rotate about a longitudinal axis (30), an inclined plate (5) bearing upon the driving component (3) and mounted so as to swivel on the latter about an inclined axis (50). The two end walls (21, 22) of the casing are joined at their periphery by additional lateral tie rods (80) parallel to the central tie rod (8), bearing upon the two end walls (21, 22) of the casing (2) and subjected to a preload tension in order to carry the forces developed by the pistons (6) in co-operation with the central tie rod.

Abstract: An axial cylinder machine includes a shaft, journaled in one end of a housing to turn about its axis and a plurality of cylinders. A spider is mounted inside the housing by means of a main swivel connection to swivel about a center which is disposed along the shaft axis and the spider includes a plurality of arms, one for each cylinder, projecting generally radially from the center with one projecting in under each cylinder. Each cylinder includes a rod, one end of which swivels on the piston sliding in the cylinder and the other end of which is connected by a swivel connection to the outer end of the associated arm of the spider. As a result, the spider swivels with a generally circular motion about its center when the pistons are successively reciprocated or vice versa. The main swivel connection comprises a stationary shallow cone facing upwardly and engaged by a downwardly facing shallow cone carried by the spider.

Abstract: The invention is a volumetric piston chamber machine wherein the crankpin is relieved of the inertia force and wherein a seat is constructed in a single piece adapted to act as a female part with the crank being a male part. As a result, the force distribution throughout this volumetric piston chamber engine is more uniformly distributed and offers the advantage of a smaller engine in the overall axial direction eliminating the harmful transverse stresses.

Abstract: A differential speed reducer has a wobble member mounted on an input shaft so as to follow a sinusoidal path of movement. A first gear journaled on the wobble member has a radially disposed cam surface on one face to follow the sinusoidal movement of the wobble member, and a second gear is axially spaced from the first gear with correspondingly formed cam surfaces aligned with those of the first gear, and a plurality of balls are interpositioned between the first and second cam surfaces to transmit torque from the rotary input shaft to the second cam surface. For multiple speed reduction, a second set of cam surfaces corresponding to the first cam surfaces is interposed between the input shaft and first set of cam surfaces, and rolling elements again impart torque from the input side into the first set of cam surfaces. The first and second sets of cam surfaces can be formed on different radii and concentrically positioned with respect to one another so as to form a very compact speed reducer unit.

Abstract: A hermetically sealed drive unit is provided in which a rotationally fixed face gear (27) is mounted within a spherical bore (29) on a bellows (47) so as to cause teeth (31) on the fixed face gear to (27) successfully engage teeth (24) on a rotatable face gear (23). The face gears (23, 27) have different numbers of teeth (24, 31) and therefore must rotate with respect to one another when the teeth (24, 31) engage each other successfully. The rotatable face gear (23) is mounted on one shaft (17), and another shaft (21) is provided with a cam (39). The shaft (21) with the cam rotates in order to cause the rotationally fixed face gear (27) to wobble within the spherical bore (29), causing the teeth (31) on the rotationally fixed face gear to engage the teeth (24) on the rotatable gear (23) in succession.

Abstract: An electro-mechanical direct drive valve servo system for an aircraft including a drive mechanism that couples the rotary output motion of a rotary force motor to linear motion at a sliding-type valve. The drive mechanism includes a pair of axially spaced rotary members connected to the force motor and a wobble member journaled between and canted by the rotary members with axial thrust bearings interposed between axially aligned opposed planar faces of the rotary and wobble members. A radial output arm on the wobble member is connected to the valve and is constrained for arcuate nutating movement whereby controlled rotation of the rotary member effects nutating movement of the wobble member and output arm which movement effects controlled linear movement of the valve. Additional control inputs such as braking and recentering function inputs are accommodated by the drive mechanism at its input end to take advantage of the mechanism's inherent gearing force ratio.

Abstract: A hammer drill has a housing provided with a tool chuck in which a tool is to be mounted. A drive is provided which is capable of rotating and/or axially impacting the tool chuck. This drive includes a piston reciprocable in axial direction of the tool chuck, a drum rotating on a shaft extending parallel to the direction of reciprocation of the piston and provided with a circumferentially extending cam track, and a transmitting arrangement which travels in part in engagement with the cam track and which has another part connected with the piston to reciprocate the same.

Abstract: An in-line sander for hand held operation and having a housing in which a rotating electric motor drives a drive shaft to rotate on a first axis, with a second axis of the drive shaft canted to the first axis and supporting a bearing thereon. A bearing housing is supported on the bearing to orbit therewith, the bearing housing having an arm extending to a platen support and extensibly and pivotably connected to a portion thereof. This orbiting of the bearing housing influences motion of the platen support in accordance with the angle of the cone described by the second axis of the drive shaft. The platen support is made of a resilient material and carried by the housing on legs extending to a base portion, which legs have a low moment of inertia in the direction of in-line sanding, and a high moment of inertia normal to the direction of in-line sanding, so as to be disposed to motion in the in-line sanding path only.

Abstract: A diaphragm pump includes a drive shaft (2), a hub-like bearing member (3) fastened thereto and a radial ball bearing whose inner race (4) is pulled over the bearing member (3), with the ball bearing axis (5) intersecting the shaft axis (6) at a small angle and with the point of intersection (7) being spaced from the ball bearing. The pump further includes a wobble finger, essentially provided by a screw (11), which is fastened to the outer race (8) of the ball bearing so as to connect the outer race with a tightly clamped-in diaphragm (13). The point of penetration (24) of the wobble finger axis through the diaphragm (13), when its path of movement is in the center position, lies in the common plane with the point of intersection (7), this common plane being perpendicular to the shaft axis (6). The improvement provided by the invention is that the wobble finger is clamped to the outer race (8) of the ball bearing by means of a clamping member (9, 10) which acts in the direction of the ball bearing axis (5).

Abstract: A mechanism for converting rotary motion in rectilinear to and fro comprising and hinged in the housing of a crosspiece by a prestressed rod and conical bearing. An even number of bearings stacked symmetrically on each side of the center and internal cages are fitted an intermediate bush with the interposition of spacing rings, the thicknesses of the rings being so determined that the pre-stressing force is distributed equally between the bearings and causes the complete take-up of play. The invention is particularly useful in multicylinder pump mechanisms distributed regularly around a shaft and with axial pistons.

Abstract: An improved method of manufacturing a swash plate assembly for use in a compressor, fluid motor or similar device in which a plurality of pistons are connected, by means of connecting rods, to a swash plate which drives (or is driven by) the pistons. A plurality of piston and rod assemblies are made by casting the piston around one end of a connecting rod which is formed with a ball at both ends, thus providing a ball-socket connection therebetween. The pistons are finish machined. A die-insert is utilized to locate the ball and rod prior to casting, and is thereafter moved along the rod to contact the other ball end. This insert thus serves to locate the rod section with the affixed piston in a mating socket of a swash plate die. The swash plate is cast about a plurality of such piston bearing rods to a carefully toleranced dimension. The swash plate end of the assembly is then finish machined.

Abstract: An axial piston machine having double acting piston assemblies incorporating swivel joints from which connecting rods extend to drive points on the radial arms of a wobble plate, the central pivot of which is established by a universal joint support. The wobble plate is connected by a crankpin and a crankarm to a crankshaft establishing a precessing driving plane at a tilt angle to the crankshaft axis of preferably less than 18.degree.. A valve rotatable about the crankshaft axis controls the supply and exhaust of fluid to the piston assemblies.

Abstract: An impacting drill is equipped with an air cushion impacting mechanism and with a tumbling mechanism which is operative for reciprocating the impacting mechanism. The tumbling stroke of the tumbling mechanism and thus the reciprocating stroke of the impacting mechanism is adjustable from zero to a maximum. The tumbling mechanism includes a hub body which is mounted on a holding body rigid with a rotatable shaft. The holding body is centered on an adjustment axis which encloses an acute angle with the axis of the shaft. The hub body is mounted on the holding body for angular displacement about the adjustment axis with attendant adjustment of the tumbling range. Coupling elements connect the hub body with the holding body in the respectively selected angularly displaced position of the hub body on the holding body.

Abstract: An electro-mechanical direct drive valve servo system for an aircraft including a drive mechanism that couples the rotary output motion of a rotary force motor to linear motion at a sliding-type valve. The drive mechanism includes a pair of axially spaced rotary members connected to the force motor and a wobble member journaled between and canted by the rotary members with axial thrust bearings interposed between axially aligned opposed planar faces of the rotary and wobble members. A radial output arm on the wobble member is connected to the valve and is constrained for arcuate nutating movement whereby controlled rotation of the rotary member effects nutating movement of the wobble member and output arm which movement effects controlled linear movement of the valve. Additional control inputs such as braking and recentering function inputs are accommodated by the drive mechanism at its input end to take advantage of the mechanism's inherent gearing force ratio.

Abstract: A drive-flange axial piston machine is provided with a drive-flange shaft that is supported in two radial bearings supported at a distance from each other, and an axial bearing, in which case an element transmitting a torque to the shaft, preferably a gear wheel, is located on the drive-flange shaft between the radial bearings, where the axial bearing is located on the side of the element transmitting the torque, which is preferably a gear wheel, facing away from the drive flange in order to achieve as short a structural length as possible and bending-resistant components against which the bearings are supported.

Abstract: A drive for a variable-stroke swash plate machine, comprising a rotatably journalled shaft and a swash plate mounted so that the plate cannot rotate with respect to the shaft during operation. The plate is journalled on the shaft so that it is rotatable about an axis of rotation which intersects the shaft axis at an acute angle. A first conical gear on the plate engages a second conical gear on a sleeve arranged coaxially around the shaft. Control means rotate the sleeve and second conical gear with respect to the shaft.

Abstract: The engine is of the continuous combustion type having two multiple piston banks separated by a centrally disposed undulating spider drive member operated from the piston action and adapted to drive the output power shaft of the engine. The engine comprises a water-jacketed block defining preferably eight cylinders in each bank for receiving eight pistons in each bank. Aligned pistons of respective banks are interconnected in a linear non-rotatable arrangement with the spider drive member. The spider drive member is continuously skewed to the output shaft, includes bearing means and operates on an eccentric basis driven from the piston connecting rods on a timed basis. The output power shaft supports a rotor defining valving ports including upper and lower intake ports and a transfer port. The gas-air carburization occurs within the rotor with the use of a porous medium.

Abstract: Apparatus for compacting soil or the like which is designed to be an attachment to a back hoe and to be powered by a hydraulic fluid motor. The drive motor is disposed on a vertical axis and rotates an element which has a generally planar surface oblique to its axis of rotation. This surface moves against a cylindrical drive member and causes it to wobble back and forth thereby providing a reciprocating action which is used to drive shafts on which are mounted tamping feet. The shafts are provided with contact surfaces at their upper ends against which the cylindrical drive member acts. The shafts are round and are closely fitted inside of round sleeves. These sleeves are greased to provide an effective dirt seal. There is a cam follower coupled with each of the round shafts and fitted inside of guide plates to assure a reciprocal action. A similar cam follower prevents rotation of the cylindrical drive member.

Abstract: The invention relates to wabbler plate engine mechanisms. One such mechanism has a wabbler plate rotatably mounted on a wabbler carrier which is in turn inclinably mounted on a crankshaft in a crankcase. The wabbler plate has a plurality of arms which are coupled to pistons slidably mounted in cylinders arranged around the axis of the crankshaft. As the crankshaft rotates, each arm oscillates laterally relative to its respective piston and a stabilizer mechanism comprising ball races on the wabbler plate and a ball carrier on the crankcase, is included to prevent the oscillations from unbalancing the mechanism. This construction is quite satisfactory but is not readily adaptable to provide for variable displacement. Attempts have been made to incorporate this facility, but a successful solution has not yet been found.

Abstract: Disclosed is a sliding shoe for a rotatable swash-plate type refrigerant gas compressor. This shoe is slidably connected between a rotatable swash-plate and a ball rotatably engaged with a piston. One of the major surfaces of the shoe slidably contacts a sliding surface of the swash-plate. A sliding surface of the shoe facing the swash-plate is formed with a flat plane at its center portion and chamfered surface at the remaining portion of the sliding surface. At least the sliding plane of the shoe is coated with a lead alloy. According to the present invention, even if the swash-plate type compressor has no lubrication, abrasion and seizing of the shoe can be reduced to a great extent.

Abstract: A swash plate drive mechanism for an axial piston machine is disclosed comprising a pair of yokes with intersecting longitudinal axes and intersecting cross-axes and a swash plate drivingly connected with the pistons and pivotally connected between the yokes for pivotal movement about their cross-axes whereby the swash plate is caused to oscillate and effect double frequency drive between the piston and yokes and wherein the limits of swash plate oscillation are dependent on the angle between the longitudinal axes of the yokes and are fixed or variable and which in the latter event reach zero on alignment of the longitudinal axes.

Abstract: In order to provide a high cutting speed for a crop-cutting harvester (11), a torsion bar (101) is connected to the nondriven end of a crop-cutting sickle (28). The torsion bar (101) is connected to the sickle (28) by a lever (111 or 211) pivoting on the axis of the torsion bar. Counterweights (94, 131) may be added to adjust the resonant frequency, and hence, the resonant cutting speed. The use of a torsion bar on the nondriven end of the sickle, and none on the driven end, is believed to provide a high speed resonant sickle drive in which peak sickle forces are reduced.

Abstract: A diaphragm pump comprising a supporting structure, a rotatable input member and first and second bearings mounted on the input member so that the rotation of the input member causes the second bearing to nutate. Each of the bearings have outer races, and the outer race of the first bearing is coupled to the supporting structure by a mounting member of sheet material. A region of the diaphragm forms a portion of a pumping chamber, and a drive member is provided for moving the region of the diaphragm in at least one direction. First and second mounting members couple the outer race of the second bearing to the drive member so that nutation of the second bearing causes the pump to operate.

Abstract: A reciprocating-to-rotating motion conversion and power control device for a Stirling engine includes a hub mounted on an offset portion of the output shaft for rotation relative to the shaft and for sliding motion therealong which causes the hub to tilt relative to the axis of rotation of the shaft. This changes the angle of inclination of the hub relative to the shaft axis and changes the axial stroke of a set of arms connected to the hub and nutating therewith. A hydraulic actuating mechanism is connected to the hub for moving its axial position along the shaft. A balancing wheel is linked to the hub and changes its angle of inclination as the angle of inclination of the hub changes to maintain the mechanism in perfect balance throughout its range of motion.

Abstract: A rotary piston pump of the axial type with fixed cylinders wherein a flywheel of rotary drum shape is anchored to a driving shaft (1) coaxially, on the circular side of said wheel being engraved one continuous oblique groove which takes the form of one cycle sine curve on the development view of the circular side, while outer ends of piston rods of pistons in the cylinders are connected with the oblique groove. The pistons or plungers thus repeat reciprocation with rotation of the driving shaft.According to the present invention, an apparatus of large scale having relatively few sliding faces in its parts may be designed. Further, according to the present apparatus, besides oil, the operating fluids of low lubricity, e.g., water and the like, may also be used.

Abstract: A swash plate type compressor, in which there is incorporated a plurality of double-headed compressor pistons, each being formed with an axially central recess between two heads thereof. Inside the recess a generally outer part of the swash plate is arranged so as to establish an operative connection between each piston and the swash plate. The axially central recess has a bottom surface a part of which protrudes toward an outer surface of the swash plate. The protruding part serves to restrict a rotation of each piston about its own axis to a given small amount. The protruding part has an axial length determined so that when each compressor piston approaches one of the two compression dead centers, an outer edge of the swash plate comes away from the protruding part.

Abstract: A rotor for a nutating motor has an annular cavity formed in one face thereof, which cavity receives a helically wound ring of magnetically permeable material.A gate valve operator assembly couples the hollow output shaft of a nutating motor to a valve stem, which axially moves within the hollow output shaft. An internally threaded spindle, or stem nut, is rotatably mounted to engage the externally threaded valve stem. The spindle and the hollow motor shaft are coupled together by means of a tab engaging a correspondingly formed notch. Axial movement of the spindle is prevented by means of a flanged radially extending circumferential rim formed as part of the spindle.

Abstract: A constant velocity coupling joint provides rotary motion to an output shaft of a nutating motor or shaft driven by a nutating member. A nutating plate is supported by the coupling and the nutating motion of the plate is transformed to rotary motion of the output shaft. The coupling includes a plurality of balls which are mounted in slots formed between a radially extending coupling plate fixed to the shaft and the nutating rotor member. The balls are held in position by a pair of thrust spacers positioned on each side of the coupling plate. The thrust spacers also provide rolling support for the nutating plate.

Abstract: In a refrigerant compressor unit of a type in which the reciprocating movement of pistons is caused by the nutation of a non-rotatably but nutatably supported wobble plate driven by a cam rotor. The wobble plate includes a ring member and a bevel gear member. The bevel gear member is provided with a plurality of axial grooves in the peripheral side surface thereof. The gear member is fitted into a counterbore formed in the ring member and secured by caulking the peripheral edge of the counterbore to the ring member. The material of the ring member is moved into the grooves and valleys between the teeth of the gear by the caulking operation so that relative rotation and axial movement of the ring member and gear member is prevented. The wobble plate is supported on a ball bearing so as to be able to nutate about the ball center but is prevented from rotation by engagement of the bevel gear with another bevel gear fixedly supported on the cylinder block.

Abstract: A variable output axial compressor having an improved socket plate guide mechanism. A spherical bearing body is reciprocally supported on a guide rod which extends axially through the compressor socket plate cavity. A pair of guide shoes, radially movable in complementary socket plate guides, receive and relatively slidably retain the bearing body therebetween obviating rotational movement of the socket plate. The guide rod includes a longitudinal, fluid flow passage for carrying control fluid through the socket plate chamber from the rear head to an expansible chamber at the front cover.

Abstract: A drive comprising a rotatably journalled shaft on which a plate is mounted so that the plate cannot rotate with respect to the shaft during operation. The plate can, however, be adjusted around a pin which extends transverse to the rotatably journalled shaft, so that the angle enclosed by the plate and the shaft can be varied. The pin is journalled in a bearing block which is adjustable in the shaft direction. Each of the pistons has a piston rod with a piston rod head whose side which faces the plate is provided with a spherical surface which cooperates with a sliding body which bears against the contact surface of the plate. The side of the plate which is remote from the piston rod comprises a spherical cam which has the same center of curvature as the spherical surface of the drive rod head. The cam is supported by a surface which forms part of a structural member which is rigidly coupled to the shaft.

Abstract: A hammer drill has a housing provided with a tool chuck in which a tool is to be mounted. A drive is provided which is capable of rotating and/or axially impacting the tool chuck. This drive includes a piston reciprocable in axial direction of the tool chuck, a drum rotating on a shaft extending parallel to the direction of reciprocation of the piston and provided with a circumferentially extending cam track, and a transmitting arrangement which travels in part in engagement with the cam track and which has another part connected with the piston to reciprocate the same.

Abstract: A shoe for use in a swash-plate type compressor and made of a base material of steel, is slidably disposed between the swash-plate and a steel ball rotatably supported in a recess of a piston and is provided on one side thereof with a lining of copper or a copper alloy for slidably contacting with the sliding surface of the swash-plate and further provided on the other side thereof with a covering or a coating layer of a metal selected out of copper, copper alloys, aluminum, aluminum alloys, zinc, zinc alloys, nickel, chromium, and like metals, each of these metals being a material substantially free from seizure with steel, over a substantially spherical concave surface of the shoe thus permitting the steel ball to slidably rotate in relation thereto.

Abstract: A variable angle wobble plate drive for varying piston displacement has constant velocity coupling from the wobble plate to the frame which permits all axis-dynamic balancing. The coupling uses an idler element rotating on a tilted axis portion of the shaft, and conical gear sets connecting the idler member to the machine frame and the idler member to the wobble plate. The sum of the acute angles from the tilted axis to the shaft, and to the driving axis, is made greater than the maximum driving angle thereby permitting low reaction torque on a driving angle control mechanism without reversal of control torque.

Abstract: A wobble plate drive mechanism for machines having axial pistons or the like clustered about a shaft. The moving parts are dynamically balanced over a range of wobble plate tilt angles by a balance ring arranged outboard of the wobble plate. The wobble plate restraint has balanced gimbal rings.

Abstract: A noiseless supporting mechanism of a wobble plate in a compressor unit of the wobble plate type comprises a support member having a spherical convex surface at its end. The support member is elastically supported on the cylinder block and is disposed in a hollow portion of the wobble plate with the spherical convex surface being in contact with a spherical concave bottom surface of the hollow portion, to support the wobble plate. A plurality of equiangularly-spaced projections are supported around the central axis of the supporting member and are disposed in corresponding recesses formed in an inner surface at an opening edge of the hollow portion to prevent the wobble plate from rotating. The wobble plate thus nutates along the spherical convex surface by the rotation of the associated cam rotor.

Abstract: A connecting rod for reciprocating piston engines, especially axial cylinder-type reciprocating piston engines, with the connecting rod including a tubular shaft having hollow spherical shells mounted at the ends thereof. The tubular shaft and the hollow spherical shells are constructed from a sheet metal-like material and are joined to form a one-piece connecting rod body by way of welding joints. A lubricating tube is arranged within the tubular shaft and extends between the spherical shells so as to equalize the lubricant between surfaces of the hollow spherical shells.

Abstract: A stamping press in which a frame supports a ram for reciprocating movement thereof and one or more wobble plates mounted on a main shaft operate a pivoted yoke for reciprocating the ram, and a die section mounted thereon. The ram is normally operated through two complete reciprocating movements for each revolution of the main shaft, and a counter-weight operated by the yoke is preferably included in the press structure for balancing the movement of the ram. The wobble plates may have a means for adjusting the angularity to vary the length of the ram stroke, and the crown of the press is preferably hydraulically separated with respect to the base to provide a safety overload feature and easy access to the work pieces or tooling. In a modification, cams operated by the yoke may be used to drive the ram from the yoke as it is operated by the wobble plate to provide one complete reciprocating movement for each revolution of the main shaft.

Abstract: A device for adjusting a rear-view vehicle mirror in which a tubular support extending through the vehicle bodywork carries a pair of manually rotatable knobs at its inner end and a mounting for the mirror at its outer end. When one knob is rotated, it drives a shaft extending within the support. This shaft either directly rotates the mounting and mirror about a horizontal axis or drives gearing causing such rotation. The mounting has a pin with an axis transverse to the horizontal axis. The mirror is rotatable in either direction about this transverse axis by pushing motion transmitted thereto by linear movement of one or other of two rods extending in the support parallel with the shaft axis. These rods are moved simultaneously in mutually opposite directions by an arrangement converting rotary motion of the other knob into the linear motion.

Abstract: A swashplate drive in which the plate is tiltable between a minimum angle .alpha. and a maximum angle .alpha. and one or more drive rods each have a drive rod head with two spherical surfaces which are contacted by two sliding bodies, the other, flat side of the bodies engaging two running surfaces on the plate. The running surfaces are spaced apart a selected distance which minimizes variation in play between the plate, sliding bodies and drive rod head.

Abstract: A multi-cylinder machine comprises a plurality of cylinders arranged in a casing symmetrically around an axis of rotation with the axes of the cylinders lying parallel to the axis of rotation. Pistons of the cylinders are connected to a common motion transmitting mechanism by means of piston rods. The mechanism comprises an oblique crankshaft and a motion transmitting element including a ring gear in mesh with a ring gear rigid with the casing. At least one of the components of the transmitting mechanism comprises detachable parts.

Abstract: A harrow comprising transversely with respect to the direction of travel of the harrow extending harrow teeth supporting beams, a shaft also extending transversely with respect to the direction of travel of the harrow, wobble discs secured to the shaft and cooperating with pairs of rollers connected to the beams in such a way that the beams and the harrow teeth supported thereby are reciprocated transversely with respect to the direction of travel of the harrow by rotation of the wobble discs, wherein two traverses being pivotally supported by the frame of the harrow about vertically extending axes, the traverses extending, in mid-positions of the traverses, in the direction of travel of the harrow, a beam being pivotally connected to the forward ends of the traverses and another beam being pivotally connected to the rear ends of the traverses, two roller carriers being pivotally connected to each of the traverses about vertically extending axes, each carrier supporting, at one of its ends, a roller cooperati

Abstract: A power transmitting mechanism for converting the thrust of reciprocating pistons to a rotary output shaft at speeds independent of the frequency of piston reciprocation. Power developed by expanding gases in accordance with well-known thermal cycles, such as the Stirling cycle, is transmitted by pistons to a bed plate capable of swashing motion about a point on the axis of the output shaft. The shaft is provided with a pair of oppositely convergent or biconical friction surfaces engageable by annular tracks carried with the bed plate in orbit which may be characterized as nutational. Axial adjustment of the annular tracks toward and away from the point on the output shaft varies the output shaft speed independently of input speed or piston frequency.

Abstract: A piston type energy conversion machine such as an internal combustion engine in which the thrust of piston reciprocation is converted to nutational movement of a tube-like member journalled in a support which is driven in rotation about a primary engine axis. Also supported for rotation on the primary engine axis is a biconical element to which torque is transmitted by friction from the nutating member. The pistons operate in a plane which undergoes a swashing movement on a point at the intersection of the primary axis with the axis of nutation. Also the connection of the pistons to the nutating member is by way of linkage including swivel links which function to absorb the thrust of each piston power stroke.