Anti-backlash nut assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Aug 3, 1999
filing date -
Aug 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An anti-backlash nut assembly (10) has a first part (12), a second part (14), and at least one drive pin (16) to rotationally couple the second part to the first part while permitting axial movement therebetween. The first part includes a collar portion (30) having an inner circumferential wall (34) having at least one axially extending drive pin recess (38) therein. The second part includes a boss portion (54) having an outer circumferential wall (56) having at least one corresponding drive pin recess (60) therein. The boss portion is adapted for sliding engagement with the collar portion and is received therein. The at least one second part drive pin recess is circumferentially aligned with the at least one first part drive pin recess to define a drive pin channel (70). At least one drive pin is slidingly engaged in the at least one drive pin channel. In a preferred embodiment, the first part is a worm gear and the second part is an anti-backlash nut.
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