Machine element or mechanism – Gearing – Directly cooperating gears
Patent
1994-05-26
1996-04-30
Herrmann, Allan D.
Machine element or mechanism
Gearing
Directly cooperating gears
74441, 74459, F16H 2524
Patent
active
055114385
ABSTRACT:
A positioner includes a pressurizer for pressurizing an interface between a feed screw and a feed nut, and a pressure control unit for controlling pressurization so that the extent of pressurization is set to a desired value. When a backlash due to abrasion occurs between male and female threads during operation of the positioner or an error in machining precision is present between male and female threads, the extent of pressurization can be constantly maintained at a desired value.
REFERENCES:
patent: 5367915 (1994-11-01), Nishii
Herrmann Allan D.
Kananen Ronald P.
Sony Corporation
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