Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1991-08-26
1992-12-15
Kisliuk, Bruce M.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29266, B23D 1904
Patent
active
051705486
ABSTRACT:
A cargo trailer wheel hub puller has a housing provided with a hub which loosely supports a bushing internally provided with threads. A pin passes through a hole in the hub to maintain the bushing in the hub. The bushing is provided with a collar which abuts an internal wall in the housing. A threaded rod passes in thread engagement through the bushing. The end of the rod inside the housing is provided with a contact pad which is adapted to apply a force against a vehicle axle while a torque force is applied to the other end of the rod so that the housing, which is attached to the structure of the trailer wheel hub is forced outwardly over the vehicle axle. The bushing is made from a milder steel than the rod so that, upon wearing out, it can be readily replaced by removing the pin and replacing the bushing. The housing is provided at one of its ends with a flange having a distribution of spaced apertures which are arranged to align with any type of configured lug or threaded hole arrangement on the trailer wheel hub. A modified housing has an end externally threaded to engage an internally threaded drum on a trailer wheel hub. The bushing is loosely supported inside the hub and loosely maintained by the pin in the hub so that the bushing can be more readily aligned with the vehicle axle.
REFERENCES:
patent: 984978 (1911-02-01), Straub
patent: 1001644 (1911-08-01), Hutchings
patent: 1230448 (1917-06-01), Tuttle
patent: 1310143 (1919-07-01), Cantrell et al.
patent: 1858238 (1932-05-01), Cornwell
patent: 2684527 (1959-07-01), Hedlund
patent: 4697323 (1987-10-01), Sauvagean
patent: 4709459 (1987-12-01), Klann
patent: 4908925 (1990-03-01), Johnson
Kisliuk Bruce M.
Morgan Eileen P.
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