Counter wheel assembly with improved drive clutch mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 25, 1984
Grant Date -
N/A
app pub date -
Jul 2, 1982
filing date -
Jul 2, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved counter wheel assembly comprising an indicia wheel, a reset gear, a reset control mechanism for resetting the indicia wheel to a zero position, a drive gear, and a drive clutch for selectively engaging the indicia wheel to the drive gear. In one form, the drive clutch comprises an elongated pawl engageable with a frusto-conical surface integral with the drive gear and adjacent to and immediately inwardly of the rim of the indicia wheel. In a second embodiment, the drive clutch means comprises a pair of substantially identical V-shaped pawls that pivot in tandem to selectively engage serrations of a substantially cylindrical engagement surface.
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