Gear adjusting, locking, and pre-loading means

Details Gear adjusting, locking, and pre-loading means Gear adjusting, locking, and pre-loading means

1976-02-25

1977-07-19

Gerin, Leonard H.

Machine element or mechanism

Gearing

Backlash take-up

74417, F16H 5518, F16H 114

Patent

active

040360768

ABSTRACT:
Adjusting, locking, and pre-loading means for a bevel gear or the like exerting axial thrust on the shaft which the gear is made fast to. The adjusting means is a large nut which is rotatable in its mating threads to move a mount for the gear shaft so as to locate the position of the gear's plane of rotation. The locking means is that portion of a locking and pre-loading bolt which bolts the nut to the non-rotatable mount to set the located position of the plane of rotation. The pre-loading means is that portion of the same bolt which exerts an opposite force on the nut and on its mating threads, stressing the two in opposite ways so as to pre-load the threads in the same direction in which the gear thrust is exerted, enabling the axial thrust of the gear to be additive to the pre-load rather than tending to unload the pre-load, thus permanently fixing the set location of the plane of rotation of the gear with no free play.

REFERENCES:
patent: 3485109 (1969-12-01), Dunlap
patent: 3600965 (1971-08-01), Folkerts

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