Metal working – Method of mechanical manufacture – Gear making
Patent
1999-04-13
2000-05-30
Echols, P. W.
Metal working
Method of mechanical manufacture
Gear making
29505, 74422, B21D 5328
Patent
active
060677139
ABSTRACT:
A method of manufacturing a rack and pinion steering gear (10) comprises the steps of: providing a housing (12) with first and second chambers (36 and 42) and threads (44) which partially define the second chamber (42); positioning a rack (14) in the first chamber (36); positioning a yoke (70) in the second chamber (42); screwing threads (94) of a plug (90) into the threads (44) which at least partially define the second chamber (42) to cause the plug to press the yoke (70) into engagement with the rack (14) by rotating the plug about an axis (38) relative to the housing (12) in a first direction (A); and simultaneously deforming the threads (44) which at least partially define the second chamber (42) at a plurality of locations spaced about the axis (38) to limit the amount of rotation of the plug (90) in a second direction (B) about the axis opposite the first direction (A).
REFERENCES:
patent: 3673662 (1972-07-01), Turnbull
patent: 3758938 (1973-09-01), Simmons et al.
patent: 3956801 (1976-05-01), Wood
patent: 3979968 (1976-09-01), Ceccherini
patent: 4779694 (1988-10-01), Adams
patent: 5713116 (1998-02-01), Nickerson et al.
Echols P. W.
TRW Inc.
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