Metal working – Method of mechanical manufacture – Work holding
Patent
1997-12-31
2000-01-25
Bryant, David P.
Metal working
Method of mechanical manufacture
Work holding
29254, 29283, 298981, 269254, B23Q 300, B23B 512
Patent
active
060165979
ABSTRACT:
An apparatus and method for retaining the bearing cups on the trunnions of a universal joint cross when supplying lubricant therein includes a body portion having a pair of end portions extending therefrom. An insert is preferably removably secured to each of the end portions by any conventional means, such as by threaded fasteners. A shank portion extends from the body portion in a direction that is opposite from the end portions. The shank portion is preferably formed having a non-circular shape, such as square. The bearing cup retaining apparatus further includes a hollow hammer portion that is disposed about the shank portion. The inner surface of the hammer portion preferably corresponds in shape to the non-circular outer surface of the shank portion so as to be axially slidable along the shank portion without being rotatable relative thereto. To install the bearing cup retaining apparatus, the hammer portion is rapidly moved into abutment with the body portion. When this is done, the hammer portion exerts a force urging the bearing cup retaining apparatus axially toward the universal joint and yoke assembly. As a result, the end portions of the bearing cup retaining apparatus flex slightly apart from one another, allowing the inserts to be moved over the end surfaces of the bearing cups. In this manner, the bearing cup retaining apparatus is firmly installed so as to positively retain the bearing cups on the trunnions of the universal joint cross during a subsequently lubricant purging process.
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Bryant David P.
Dana Corporation
Omgba Essama
LandOfFree
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