192 clutches and power-stop control – Clutches – Automatic
Reexamination Certificate
2007-03-06
2007-03-06
Lorence, Richard M. (Department: 3681)
192 clutches and power-stop control
Clutches
Automatic
C192S069810, C271S010130, C399S361000
Reexamination Certificate
active
11004916
ABSTRACT:
A one-way power transmission unit has a force-fitting feature formed on at least one of an outer circumference of a boss of a driving member and an inner circumference of a boss hole of a latch member, for force-fitting the driving member into the latch member with a friction which is less than a load exerted to a driven member. A method of one-way power transmission includes force-fitting the driving member into the latch member with a friction which is less than a load exerted to a driven member. Since the latch member force-fits over the boss of the driving member, the driving member and the latch member rotate together with each other when the driving member switches from a driving force disconnection state to a driving force connection state, and thus, engagement of latch gears of the driving member and the latch member is reliably achieved. Accordingly, the time interval between switching from the driving force disconnection state to the connection state can be maintained to be essentially constant.
REFERENCES:
patent: 479192 (1892-07-01), Leedle
patent: 1849212 (1932-03-01), Winther
patent: 2027798 (1936-01-01), Watt
patent: 2607253 (1952-08-01), Gearhart
patent: 6398330 (2002-06-01), Chua et al.
patent: 6672581 (2004-01-01), Lee et al.
patent: 1993-023875 (1993-12-01), None
patent: 1998-0033285 (1998-07-01), None
Lorence Richard M.
Roylance Abrams Berdo & Goodman L.L.P.
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