Abstract: A differential comprises a case and a side gear. The differential further comprises a lockout mechanism having a first lock plate comprising a first side and a toothed side; a second lock plate comprising a first side facing the case and a toothed second side facing the toothed side of the first lock plate; a cam plate axially between the side gear and the first lock plate; and a clutch pack axially between the cam plate and the first lock plate. The differential further comprises an engagement mechanism configured to actuate the cam plate to rotate.

Abstract: A differential assembly that may be provided with an axle assembly. The differential assembly may have a case that may have a first case portion and a second case portion. The first case portion may have a retainer pin hole that may receive a retainer pin that couples a spider shaft to the first case portion. The second case portion may inhibit removal of the retainer pin from the retainer pin hole.

Abstract: A differential assembly provided with a power distribution unit includes a first housing, an output shaft, a shaft, and a torque limiter. The first housing defines a biasing member bore and a brake bore. The output shaft extends at least partially through the first housing. The shaft is disposed about the output shaft and extends between a first shaft end that is connected to a differential unit and a second shaft end. The torque limiter is disposed within the first housing and is arranged to selectively inhibit rotation of at least one of the output shaft and the shaft.

Abstract: A final drive mounted on a vehicle is comprised of: a differential gear set; a clutch rotatable about a rotational axis and combined with the differential gear set; a cam mechanism comprising a cam plate fixed from rotation about the rotational axis and so disposed as to move along the rotational axis to exert a fastening force on the clutch and a cam gear rotatable about the rotational axis, the cam mechanism for converting rotation of the cam gear into a pressure force on the cam plate; a gear set so meshed with the cam gear to rotate the cam gear; a casing housing the differential gear set, the clutch, the cam mechanism and the gear set in a single chamber; and a motor so disposed outside and above the casing as to hide behind the casing from a road and combined with the gear set.

Abstract: The invention relates to a differential gear for a drive axle of a motor vehicle, having a driven differential case (12), which has effect on a carrier (24), particularly on a driving pin, via a coupling block (26) that is guided in a rotationally fixed but axially movable manner, on which carrier (24) planetary wheels (22) are mounted which interlock with outputting output wheels (20), wherein the output wheels (20) output on output shafts (16, 18) on both sides, and having a torque-dependent locking device for shifting the driving torque by means of at least one coupling device (28) integrated in the differential case (12), which coupling device (28) can additionally be actuated via at least one actuator (34; 44), independently of the driving torque. According to the invention, the at least one actuator (34; 44) is arranged in the region of at least one of the output shafts (16, 18) and has effect on the coupling device (28) by means of at least one transfer means (38, 40).

Abstract: A locking differential for a vehicle includes a rotatable housing and a differential mechanism supported in the housing. The differential mechanism includes a pair of clutch members wherein each of the clutch members presents an inwardly directed face. Each face includes a groove disposed in spacing relationship with respect to the other. A cross pin is received in the groove and is operatively connected for rotation with the housing. A dampening communication spring is disposed over an outer circumference of the clutch members and cooperates with the cross pin to control interaction of the clutch members.

Abstract: A differential gear for a vehicle including a pair of pinion gears and a pair of side gears meshed with the pair of pinion gears at a right angle. In order to improve the strength of the pinion gears and the side gears, less teeth are provided, and the size of each tooth is increased. The reference cone angle and the cone distance may be varied in accordance with the gear ratio, which may make it necessary to increase the size of a differential case that houses the gears. For front-drive vehicles, which is greatly limited in terms of space it may be difficult to suppress an increase in dimension of the differential gear. Accordingly, provided is a compact gearing that has improved strength in the pinion and side gears.

Abstract: A selectively lockable differential, comprising a plurality of torque sensitive pins, an outer housing, a first side gear comprising first gear teeth, a second side gear comprising second gear teeth, a pinion shaft, two pinion gears rotationally coupled to the pinion shaft, each pinion gear comprising pinion gear teeth coupled to the first gear teeth and the second gear teeth, and a collar comprising collar teeth for selectively engaging the gear lugs of the first side gear, the torque sensitive pins operatively coupling the collar to the outer housing.

Abstract: A differential comprises a first side gear and a second side gear facing the first side gear. A pinion gear set can be between the first side gear and the second side gear. A cam plate comprises a ramped side facing a ramped side of the first side gear. A first lock plate comprises a first side abutting a second side of the cam plate. The first lock plate further comprises a toothed side. A second lock plate comprises a toothed side facing the toothed side of the first lock plate.

Abstract: A limited slip differential assembly includes first and second output gears in constant meshed engagement with a pinion gear. Each of the gears is rotatably positioned within a carrier housing. The second output gear is axially moveable. A rotary to linear motion actuator includes a rotatable first member and a second member axially moveable in response to rotation of the first member. A primary clutch drivingly interconnects the second output gear and the first member of the actuator. The primary clutch includes an apply plate coupled to the second output gear such that an axial force acting on the second output gear during torque transmission through the differential assembly is transferred to the primary clutch via the apply plate. A secondary clutch drivingly interconnects the second output gear and the carrier housing. The second member of the actuator provides an apply force to the secondary clutch.

Abstract: A coupling structure is provided which can be used even when drive shafts cannot be provided on their end with a stopper. The coupling structure allows the drive shafts to be coupled to a differential assembly, requiring a manipulation only from outside the differential case to assure that the drive shafts are coupled to each other so as not to be movable in the direction of the axle shaft. The coupling structure includes a pair of right and left coupling heads and a coupling shaft. Each of the coupling heads has a coupling hole at the point of intersection of the axial line of pinion shafts provided in the differential assembly and the axial line of a pair of right and left drive shafts. The coupling heads are added to the drive shafts via a connector, respectively, to be rotatable about the axle shaft and not movable in the direction of the axle shaft, with the end portion of the coupling heads being disposed in a coupling ring of a cross shaft.

Abstract: A differential for a model car includes a housing having a chamber, four notches recessed in a periphery of the chamber and each having a trapezoid section, four blocks received in the notches respectively, a spider having four ends connected with the blocks respectively, four first bevel gears respectively sleeved on the ends of the spider, two second bevel gears received in the chamber and engaged with the first bevel gears respectively, a main gear sleeved on the housing, and two output shafts respectively passing through the main gear and the housing to be connected with the second bevel gears. Thus, the first bevel gears and the second bevel gears can be tightly engaged with each other by means of the arrangement of the spider and the blocks to eliminate the power loss of the model car.

Abstract: Disclosed is a kit which enables the rapid conversion of an open differential gear assembly in a golf cart to a limited slip differential gear assembly by replacing the side gears with side gears containing an integrated clutch surface that engage a double wound spring loaded case containing an integrated clutch surface that transmits power away from the slipping wheel and to the wheel having traction.

Abstract: A locking differential for an automotive vehicle including a housing and a differential mechanism supported in the housing. The differential mechanism includes a pair of clutch members where each of the clutch members presents an inwardly directed face. Each face includes a groove disposed in spacing relationship with respect to the other. A cross pin is received in the grooves and is operatively connected for rotation with the housing. The clutch members are axially moveable within the housing so that they may engage respective clutch members coupled to a pair of axle half shafts. Each of the grooves in the clutch members defines a first predetermined radius of curvature. The cross pin defines a second radius of curvature wherein the first radius of curvature of the groove is greater than the second radius of curvature of the cross pin such that contact between the cross pin and the groove defines a line extending along the axis of the cross pin.

Abstract: A locking differential assembly for use in a toy model vehicle. This is accomplished by mounting a locking clutch assembly on an output shaft of a differential gear carrier having an external face. The locking clutch assembly includes a slider member that may be configured to move along the output shaft to engage the external face to disable a differential action of the differential gear carrier.

Abstract: A differential gear unit has a pinion gear that can spin as well as revolve, a differential case that has a pinion retaining portion that supports the pinion gear, and a pair of side gears that mesh with the pinion gear. Frictional force generated at a portion where the pinion gear contacts the pinion retaining portion when the rotation speed of one side gear is faster than the rotation speed of the other side gear is different from the frictional force generated between the pinion gear and the pinion retaining portion when the rotation speed of the one side gear is slower than the rotation speed of the other side gear.

Abstract: The present invention relates to a limited slip differential with friction using a pressure generating device. The limited slip differential includes a first side pinion gear and a second side pinion gear opposite to each other, a pair of differential pinion gears each of which is rotated in engagement with the first and second side pinion gears friction plates arranged at rear sides of the first and second side pinion gears friction plates arranged at rear sides of the first and second side pinion gears, and a pressure generating device having a cover gear and a piston gear and being constructed such that the cover gear and the piston gear engage with the second side pinion gear and first side pinion gear, respectively, and can be displaced away from each other in a longitudinal direction of the device.

Abstract: A locking differential assembly with a differential case, a gearset, a first dog, a second dog and a thrust member. The differential case has a mounting hub. The gearset is disposed in the differential case and has a side gear. The first dog is coupled to the side gear. The thrust member is slidably supported on the mounting hub and has projections that extend through apertures in the differential case and engage the second dog.

Abstract: A limited slip differential is provided with a rotatable casing for receiving input from an engine, a differential gear set of a bevel gear type and a pair of clutches. The differential gear set is provided with a pinion shaft supported in and rotated with the casing, a pinion gear rotatably supported by the pinion shaft and a pair of side gears for output, each of the side gears including gear portion engaged with the pinion gear. The gear portions are exposed to an internal surface of the casing so as not to obstruct oil circulation. The clutches are formed between the side gears and the casing and configured to frictionally transfer torque between the side gears and the casing.

Abstract: A differential locking section is provided between a pair of output members that respectively mesh with a pair of gears. Since, at least one of the output members is composed of a first output shaft member that meshes with the gear, and a second output shaft member rotatable with and axially movable relative to the first output shaft member, differential locking can be effected by axially moving only the second output shaft member, while the mesh between the first output shaft member and one of gears is leaving.

Abstract: An axle module having axle shaft electronic torque management is provided. The axle module includes a housing and a differential carrier rotatably supported within the housing. A differential gear set is rotatably supported within the differential carrier and includes an integrated side gear pressure plate. A clutch pack, which contacts the differential gear seat and the differential carrier, is located within the axle module. The axle module also includes a shaft, engaged with the clutch pack, wherein the shaft is movable in an axial direction and engages the differential gear set.

Abstract: An axle module for use in an automotive vehicle. The axle module includes axle shaft electronic torque management. The axle module includes a housing having a differential carrier rotatably supported therein. The axle module also includes a differential gear set rotatably supported within the differential carrier. A clutch pack contacts the differential gear set and the differential carrier. The axle module also includes a shaft connected to the clutch pack wherein the shaft is axial moveable within the differential carrier and housing.

Abstract: A recess is formed on the side surface of output-side cams on the right side with through holes being formed on the sidewall of the case body of the differential case at positions corresponding to the recesses. An annular member is placed on the case body so as to be capable of moving, and projections are provided on the annular member so that they can be inserted into and pulled out of the recess via the through hole. The differential case and the right side output cam are rigidly joined by inserting the projection into the recess on the right side output cam through the through hole and thus the input-side block is not operated. Therefore, a power force is not transmitted to the left side output cam, and thus the differential function of the left and right drive wheels can be suspended.

Abstract: A differential with a differential action limiting mechanism includes a differential mechanism D for distributing the drive force of an internal combustion engine inputted into a differential case 28 to a left-hand axle shaft 13 and a half shaft 11 which continuously connects to a right-hand axle shaft for output therefrom and friction clutches 44L, 44R for limiting differential rotations of the left-hand axle shaft 13 and the half shaft 11 relative to the differential case 28. An actuator A for generating an engagement force for bringing the friction clutches 44L, 44R into engagement is provided outside a housing 14 for accommodating therein the differential case 28, whereby an engagement force generated by the actuator A is transmitted to the friction clutches 44L, 44R via the half shaft 11.

Abstract: The differential includes a differential casing configured to be rotatably driven by a motor under a driving force. The differential includes a differential mechanism which includes a pair of first and second side-gears for distributing a torque of the differential casing to first and second output shafts. The differential includes a frictional clutch for interconnecting the first and second output shafts. The frictional clutch includes first and second power-transmitting members connected to first and second output shafts respectively and first and second clutch plates. The first and second clutch plates are connected to the first and second power-transmitting members respectively. The differential includes an actuator for operating the frictional clutch. One output shaft of the first and second output shafts is axially displacable by the actuator under an engagement force to engage the frictional clutch.

Abstract: A differential drive that includes a rotatably driven differential housing supported in a housing. The differential drive further includes a differential gear set arranged and supported in the differential housing. The differential drive also includes a torque distribution device adjacent to a differential gear set. The torque distribution device connects a differential side shaft gear with one side shaft. The torque distribution device is arranged to control the torque between a front axle and a rear axle of a motor vehicle.

Abstract: A differential assembly including a rotatable casing, first and second axially moveable side gears disposed within the casing, at least one pinion gear disposed within the casing and intermeshed with the side gears, a cone clutch operatively coupled to the first side gear, the cone clutch being frictionally coupled to the casing in response to being exposed to a magnetic field, and a disc clutch having at least one clutch disc operatively coupled to the second side gear in response to axial movement of the second side gear.

Abstract: A differential having variable traction control and permitting preferably infinite planet or side gear braking adjustment during differential operation. In some preferred embodiments, an actuation element is movable during differential operation to exert braking force upon a side or planet gear. The braking force can be exerted directly or indirectly upon a gear surface by a braking element. The amount of braking force is preferably controlled via the actuation element through a range of positions. The actuation element is preferably a lever or similar element movable either to drive a brake element in harder or lighter frictional engagement with a planet or side gear or to drive a planet or side gear in harder or lighter frictional engagement with a brake element. Alternatively, the actuation element can be a set of cables movable to actuate a brake element. In other embodiments, actuation of the brake elements is inherently generated by differential operation.

Abstract: A differential drive that includes a rotatably driven differential housing supported in a housing. The differential drive further includes a differential gear set arranged and supported in the differential housing. The differential drive also includes a torque distribution device adjacent to a differential gear set. The torque distribution device connects a differential side shaft gear with one side shaft. The torque distribution device is arranged to control the torque between a front axle and a rear axle of a motor vehicle.

Abstract: A differential assembly including a casing which rotates about a first axis, the casing having an internal cavity; an elongate cylindrical cross pin which rotates with the casing about the first axis, the cross pin extending along a second axis through the cavity, the second axis substantially perpendicular to the first axis; at least one pinion gear disposed within the cavity and about the cross pin, the pinion gear rotatable about the second axis; and a pair of side gears disposed within the cavity and in meshed engagement with the pinion gear, the side gears rotatable about the first axis. A cross pin retention element is disposed about the cross pin. The cross pin and the retention element are fixed against substantial relative movement therebetween along the second axis, and the retention element is disposed adjacent the pinion gear. The movement of the retention element relative to the casing along the second axis is restricted, whereby the cross pin is retained in the casing.

Abstract: A limited slip differential having at least one cone clutch element for frictionally engaging an interior surface of the rotatable differential casing. The cone clutch element has a plurality of clutch engagement surfaces which are disposed about the outside surface of the cone clutch element. Recessed areas are interposed between the clutch engagement surfaces.

Abstract: Drive torque input to a rotatable differential case (3) is differentially distributed, through a pinion gear (25) rotatably supported by the different al case, to a pair of torque outputting side gears (27, 29) accommodated in the differential case and meshing at their toothed portions (27b, 29b) with the pinion gear, and a pair of difference limiting clutches (35, 37) for frictionally slippingly coupling the differential case with the pair of side gears each comprise a frictional region (7b, 5b) of a cone frustum figure on an inner wall (7a, 5a) of the differential case, a frictional region (27d, 29d) of a cone frustum figure on an outer wall (27c, 29c) of a body portion (27a, 29a) of either side gear, and a taper ring (47) rotatably interposed between the frictional regions which have different average friction radii (r1, r2) generating different average frictional forces.

Abstract: A controllable differential having a rotatable casing, differential gearing disposed within the rotatable casing and linking the casing with an output element disposed therein, a clutch disposed within the rotatable casing and clutch adapted to transfer torque between the rotatable casing and the output element, and an electromagnet arranged to generate a generally toroidal magnetic flux path encircling the electromagnet and magnetically forcing the clutch into engagement with the rotatable casing, the casing including a nonmagnetic portion adjacent the electromagnet, said flux path surrounding the nonmagnetic casing portion.

Abstract: A differential locking system of an axle driving apparatus wherein left and right axles are rotatably supported within a housing consisting of an upper half housing and a lower half housing. The inner ends of the axles are facing each other and are rotatably inserted within a differential input gear. An engaged plate member is disposed at the right of the differential input gear. Engaged recesses of the differential input gear and engaged recesses of the engaged plate member are connected with each other. A pair of differential pinions are pivoted within the differential input gear, perpendicular to the axles. Both sides of each differential pinion are engaged with differential side gears fixed around the right and left axles, respectively. Pin passing holes are bored in the right differential side gear. A thrust collar is disposed on the right axle outside of the right differential side gear. A shifter fixing the differential locking pins is axially slidably disposed around the thrust collar.

Abstract: A hydraulic coupling (32,32a) includes a lock (204) for selectively preventing the level of torque transmitted from a coupling casing (34) to a pair of rotary members (26,28) from affecting torque transfer between the rotary members. The coupling (32) also includes an adjuster (216) for adjusting resistance of fluid flow from a hydraulic pump (48) through ports of the coupling to control coupling of the pair of rotary members (26,28) to each other. One embodiment of the coupling (32) operates in a supercharged pumping manner, while another embodiment of the coupling (32a) pumps the fluid through a clutch actuating piston (72) of the coupling.

Abstract: The invention is directed to a limited slip differential, including a casing having a first clutch surface and at least two case parts, including a first case part and a second case part. An axle receiving side gear is disposed in the casing. A cone clutch associated with the side gear is disposed generally concentrically about a longitudinal axis and has a second clutch surface generally parallel with the first clutch surface. The second clutch surface is disposed at an angle of between about 3.degree. and 7.degree. relative to the longitudinal axis. A biasing device, such as a plurality of compression springs, biasingly engages the second clutch surface with the first clutch surface, and effects a preload force of between about -200 to +500 pounds against the side gear in a direction generally parallel to the longitudinal axis.

Abstract: A selectively lockable differential assembly comprising a rotatable case, first and second output shafts journalled in the case for rotation relative thereto, and a differential mechanism disposed within the case and linking the two output shafts so as to permit differential rotation between the two shafts. The assembly further includes first and second clutches each connected to the case and coupled with one of the output shafts. The differential mechanism includes a pinion shaft, upon which spaced apart pinion gears are rotatably mounted, and a pair of side gears rigidly affixed to corresponding ones of the output shafts, which meshingly engage the pinion gears. The pinion shaft includes a cam portion disposed between the inboard ends of the two output shafts. Rotation of the pinion shaft about its longitudinal centerline axis engages the two clutches and therefore limits differential rotation between the two output shafts.

Abstract: A limited slip differential for an axle system of a vehicle is disclosed which includes internal clutches for connecting a slipping wheel to the drive input of the differential. The differential is also responsive to inertia forces on the vehicle during hard cornering to prevent slippage of the inside wheel during cornering.

Abstract: A plate for a viscous shear coupling has inner and outer peripheries and slots which extend partly across the radial dimension between the peripheries. Between each adjacent pair of slots is a land and this is deformed out of the general plane of the disc to provide oppositely inclined surfaces.

Abstract: This device, comprising a housing (10), an input member and two output members (14, 15) as well as a controlled-slip coupling device (23) arranged between two of the said input and output members, is characterized in that the differential comprises at least one member (14) axially movable under the effect of a torque exerted on it, the displacement of this member being utilized to modify the operating characteristics of the controlled-slip coupling.This provides a differential with a slip self-controlled as a function of the torque and of the speed difference between the output members, the law of variation of which is appreciably improved in relation to that of the known devices.

Abstract: To realize a small-sized differential gear provided with both differential limiting and locking functions simultaneously without markedly modifying the conventional differential case, the differential gear comprises a differential mechanism having a differential case, pinion shafts, pinion gears, two side gears, etc.; two frictional multiplate clutches disposed between the two side gears and two inner side wall surfaces of the differential case, respectively for limiting differential function; a lock clutch disposed within the differential case for generating two opposite direction thrust forces to engage said limit multiplate clutches into engagement and further locking the differential function; and actuator for actuating the lock clutch from outside of the differential case.

Abstract: A device to oppose a difference in relative rotational velocity between two rotatable shafts includes a set of primary braking elements arranged to rotate with one of the shafts and a set of secondary braking elements arranged to rotate with the other shaft, whereby both sets of braking elements are moved into engagement with one another from a free running position in order to oppose the difference in rotational velocity between the two shafts. One of the shafts carries a rotatable unit having a circular surface which is slightly displaced from a 90 degree angle from the drive shafts. This unit is connected for rotation with one set of the braking elements and is movable sideways relative to the other set of braking elements connected to the other shaft.

Abstract: A self-locking differential gear includes a gear carrier on which two crown wheels are journalled and a clutch disposed between each crown wheel and the gear carrier to selectively render a corresponding axle shaft rotatable with the gear carrier. Each crown wheel is comprised of a ring wheel rotatable with an axle shaft and a ring gear in meshing engagement with the plant gears. A clutch operating device includes first and second engagement members shiftable angularly relative to each other and being respectively rotatable with the ring gear and the corresponding axle shaft. The engagement members are operative to engage a corresponding clutch when shifted angularly with respect to each other in at least one of the two directions of rotation of the corresponding axle shaft, thereby providing for an effective locking of the differential gear even on the occurrence of a significant difference in the torque being transferred from each axle shaft.

Abstract: A plate for a viscous shear coupling has inner and outer peripheries and slots which extend partly across the radial dimension between the peripheries. Between each adjacent pair of slots is a land and this is deformed out of the general plane of the disc to provide oppositely inclined surfaces.

Abstract: A limited slip differential for limiting differential rotation between a differential casing and axles via a frictional connection includes a pinion shaft rotating integrally with the differential casing and a pinion gear attached rotatively to the pinion shaft. A side gear engages with the pinion gear and is mounted loosely with respect to the axles. A first cam portion formed on the side gear engages with a second cam portion formed on a driving member which is spline-engaged with one of the axles, supporting the side gear and supported by and centered on the differential casing. A frictionally connecting clutch is disposed between the driving member and the differential casing.

Abstract: A differential gear and control system for motor vehicles having a single driven axle and at least one undriven axle comprises a differential gear and a differential lock, which is adapted to be controlled in dependence on the speed of travel of the vehicle. In order to increase the traction when the vehicle is started whereas the handling of the vehicle should not adversely be affected by a locking of the differential gear, the differential lock is adapted to be controlled so that it exerts on the differential gear a restraining torque which decreases as the speed of travel of the vehicle increases from zero to a predetermined speed of travel.

Abstract: A differential gear mechanism is provided of the type including a gear case (17), at least one pinion gear (21), and a pair of side gears (27 and 29). Clutch packs (43 and 45) are disposed between the side gears and the gear case and are operable, when engaged, to retard relative rotation between the gear case and the side gears. The mechanism includes a fluid pressure actuated displacement mechanism (57) which, in response to an external signal (71) transmits its output displacment into axial movement of a plurality of input members (81). The axial movemenat of the input members has an actuating travel X and an actuating force F. A pair of lever members (85) receives the axial input from the input members 81, with each lever member pivoting about a fulcrum member (91) to transmit to each of the clutches a clutch actuating movement having an actuating travel substantially less than the actuating travel X, and an actuating force substantially greater than the actuating force F.

Abstract: A differential gear mechanism is provided of the type including a gear case (17), at least one pinion gear (21), and a pair of side gears (27 and 29). Clutch packs (43 and 45) are disposed between the side gears and the gear case and are operable, when engaged, to retard relative rotation between the gear case and the side gears. Surrounding the gear case is a fluid pressure mechanism (71) including a cylinder (73) and a piston (75), both of which are rotationally stationary, but free to move axially. Adjacent the piston-cylinder assembly is a pair of reaction members (61 and 63) which transmit the axial displacements of the piston and cylinder, by means of members (57 and 59), to a pair of load plates (53 and 55), such that the displacements exert axially-outward biasing forces on the side gears and on the clutch packs. Because the piston-cylinder assembly is external to the gear case, no rotating seals are required.