Bracket angle adjustment mechanism
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United States of America Patent
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Apr 7, 2009
Grant Date -
Jul 20, 2006
app pub date -
Dec 22, 2005
filing date -
Dec 28, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a bracket angle adjustment mechanism adapted to reduce shock to be given to a wedge member, based on an improved wedge shape. The bracket angle adjustment mechanism comprises a pair of wedge members (16A, 16B). In each of the wedge members (16A, 16B), an arc-shaped outer surface (16a) has a diameter slightly less than that of an arc-shaped inner peripheral surface of a large-diameter hole (14c) of an external-tooth gear (14), and an arc-shaped inner surface has a diameter slightly greater than that of an arc-shaped outer peripheral surface of a small-diameter shank (15c) of an internal-tooth gear (15). The arc-shaped inner surface (16b) has a circumferential length approximately equal or greater than that of the arc-shaped outer surface (16a).
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