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Assignee: Spicer Technology, Inc.


Location: FortWayne, IN
No. of patents: 29

NumberTitleIssue Date
7096990Double disconnect assembly for multi-axle vehicles
An axle disconnect system is provided whereby axles of a tandem or multi-axle vehicle may be easily and quickly engaged and disengaged as required and whereby the ring gear and differential gears remain stationary when the axle is disengaged. In multi-axle vehicles,...
08/29/2006
6554732Differential assembly with modified limited slip clutch arrangement
A limited slip differential having a modified clutch pack mechanism located outside of the differential case. The mechanism include a planetary gear assembly disposed between a side gear and the clutch pack to facilitate the application of greater torque....
04/29/2003
6527663Pinion shaft for differential assembly
A novel arrangement of a pinion shaft for a differential assembly having a substantially H-shaped cross-section with added oiling radii. The H-shaped pinion shaft provides substantially reduced weight of the differential pinion shaft, increases a strength...
03/04/2003
6527664Locking differential with clutch activated by magnetorheological fluid
A limited slip differential includes a friction clutch mechanism, an electromagnetic coupling, and a camming mechanism disposed between the friction clutch mechanism and the electromagnetic coupling. The camming mechanism converts shearing forces within t...
03/04/2003
6517462Dual disconnect drive assembly
A dual disconnect differential assembly for four-wheel drive (4WD) vehicle is disclosed. This disconnect differential assembly connects/disconnects both axle shafts of a differential assembly simultaneously from the side gears of the differential assembly...
02/11/2003
6511395Sensor thrust washer
A speed-sensing system for a differential assembly, wherein a tone ring positioned on the ring gear flange is eliminated and the speed-sensing equipment is specially placed in the form of a thrust washer and/or slinger with a tone sensing ring disposed be...
01/28/2003
6503167Externally actuated locking differential assembly
An electronically controlled locking differential assembly including a friction clutch assembly provided within a differential case for selectively restricting differential action. The friction clutch assembly is actuated by a selectively controllable act...
01/07/2003
6497027Method for controlling axle shaft endplay in differential assembly
A method for controlling an axle shaft endplay in a differential assembly is disclosed. The desired axle shaft endplay is determined by a differential manufacturer based on the specific operating conditions of the differential assembly. In accordance with...
12/24/2002
6488606Limited slip differential with self contained oil supply
A limited slip differential for vehicular applications that eliminates chattering noise from the differential while maintaining seal integrity. This is accomplished by the use of a differential casing that includes at least a pair of fluid seals isolating...
12/03/2002
6484391Fixture and worktable to press a bushing in a carrier
A bushing installation and removal assembly includes mounting table fitted with a vice fixture, a press/ram assembly having a controlled hydraulic press whereby a separate hydraulic repositioning system disposes the work piece into the press/ram assembly ...
11/26/2002
6478709Axle end play adjustment systems and methods
In a differential/mechanism for transmitting power from a drive shaft to the axle shafts of a motor vehicle, an axle shaft end play adjuster is threadingly disposed at the end of the axle shaft adjacent the differential pinion shaft. The end play adjuster...
11/12/2002
6474873Adjustable preload shim for tapered bearings
An assembly by which to effect incremental adjustments to the end play, or preloading, to a bearing set. Relatively rotatable first and second thrust rings have contiguously juxtaposed and interacting ramp surfaces. Interposed between the first and second...
11/05/2002
6470988Differential assembly with synchronizing preload
A differential assembly having a preload or biased differential case. A beveled thrust washer is disposed between each side gear and the differential case. The beveled thrust washer induces a preload between the side gear and differential case to help ens...
10/29/2002
6460677Dual ball ramp actuator for locking differential
A dual ball ramp actuator having a control ring acting with a pressure plates to supply an axial clutch clamping force to a differential clutch assembly where the ball ramp paths follow overlapping eccentric grooves that can be actuated in both the forwar...
10/08/2002
6460268Universal bearing pre-load tool and method for using thereof
A universal differential bearing preload tool includes a pair of opposite cylindrical discs simulating differential bearing cups, a disc spreading device for adjusting a distance between the discs, and a force measuring device associated with the disc spr...
10/08/2002
6450914Adjustable axle shaft endplay
The device for adjusting an endplay of an axle shaft in a differential assembly includes an axle shaft supported in a differential case for rotation about a longitudinal axis, and an endplay adjustment member threadedly mounted on a terminal shoulder prov...
09/17/2002
6428441Locking differential with clutch activated by magnetorheological fluid
A limited slip differential includes a friction clutch mechanism, an electromagnetic coupling, and a camming mechanism disposed between the friction clutch mechanism and the electromagnetic coupling. The camming mechanism converts shearing forces within t...
08/06/2002
6408973Wheel end disconnect system
An integrated wheel end system for a vehicle including a clutch adapted to provide driving engagement/disengagement of a wheel to convert between driven and non-driven modes of wheel movement. A vehicle is provided with both 4×2 and 4×4 capabilities and...
06/25/2002
6402655Limited slip differential with adjustable preload
A differential assembly having a limited slip device with a mechanism to adjust the preload of a clutch pack. The differential assembly includes a differential case with pinion and side gears disposed therein. The clutch pack is disposed between at least ...
06/11/2002
6398686Electronically controlled limited slip differential assembly
A novel arrangement of an electronically controlled limited slip differential assembly including a friction clutch assembly provided within a differential case for selectively restricting differential action. The friction clutch assembly is contained betw...
06/04/2002
6371500Cam mechanism for an adjustable wheel mounting assembly
An adjustable mounting assembly for a steerable wheel assembly. A cam member is rotatably disposed within a recess formed in the lower arm of a yoke assembly. An eccentric cylinder of the cam member extends within a vertically oriented slot formed in a ba...
04/16/2002
6364803Differential axle assembly with adjustable gear offset
An adjustable pinion offset in a differential axle assembly. The offset between a pinion gear and shaft relative to a ring gear in the differential axle assembly is adjustable due to an eccentric mounting of the pinion assembly relative to the differentia...
04/02/2002
6363985Rotary air coupling for tire inflation system
The present invention is directed to a rotary air coupling that distributes air to tires mounted on a rotating hub of a driven axle. The coupling is positioned adjacent the parking brake of a rear disk brake configuration. In the preferred design, the rot...
04/02/2002
6357927End play preload adjusting assembly for bearings
An assembly to effect adjustments to the end play, or preloading, of a bearing set. The adjusting assembly utilizes a threaded bearing cup body and a correspondingly threaded adjusting ring. The bearing cup body abuts the outer race of the bearing and the...
03/19/2002
6352018Hydraulic actuator assembly with integral damper/accumulator
A novel arrangement of a hydraulic actuator assembly is disclosed. The hydraulic actuator assembly comprises a bi-directional electric motor driving a drive screw. A shaft coupler is threaded onto the drive screw. The shaft coupler is splined to a station...
03/05/2002
6336777Face hobbing of hypoid gears using a two-spindle machine
This invention is directed to a method of using a two spindle Hurth-Module multi-spindle (or similar) cutting machine to accomplish face hobbing of hypoid and spiral bevel gear sets. A first cutter mounted on a first spindle would rough cut the gears and ...
01/08/2002
6332523Axle assembly parking brake mechanism
A brake mechanism for braking an axle shaft rotatably supported within an axle housing. A pair of arcuate brake pads are pivotally pinned within the axle housing such that each of the arcuate brake pads can pivot from an brake position engaging the axle s...
12/25/2001
6302233Steering axle for vehicular hydraustatic drive system
A novel arrangement of a steering axle for a land vehicle having a hydrostatic drive system, wherein a hydraulic motor assembly is directly mounted on a steerable wheel of the axle and adapted to be movable with the wheel, is disclosed. The steering axle ...
10/16/2001
6296097Hydraulically actuated axle disconnect
An axle disconnect assembly for a vehicle having an input shaft and a coaxially arranged output shaft. A collar is splined to one of the shafts and is slidable to selectively engage the other shaft to establish a positive driving connection between the in...
10/02/2001
 
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