Endless belt power transmission systems or components – Control for variable input to output speed-ratio – Including belt shiftable axially from one to another surface...
Reexamination Certificate
2005-09-27
2009-11-24
King, Bradley T (Department: 3657)
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Including belt shiftable axially from one to another surface...
C474S069000, C474S074000, C192S064000
Reexamination Certificate
active
07621834
ABSTRACT:
A transmission mechanism obtains reduced cost by facilitating a process for guide grooves formed on an inner cylinder of a ball spline mechanism and regulates a movement of a drive sprocket in an axial direction by means of a simple structure. A one-way clutch transmits torque only when a crankshaft rotates positively to a drive sprocket through a ball spline mechanism. A clutch outer body and an inner slide member of the ball spline mechanism are composed of members separate from and coupled to each other by coupling pins to be integrally rotatable in an overlapping portions in an axial direction. Guide grooves for housing balls of the ball spline mechanism are formed on the inner slide member while opening to the axial direction at both ends thereof in the axial direction. The overlapping portion of the clutch is overlapping on the guide grooves in the axial direction, and restricts an outer slide member of the ball spline mechanism from moving in the axial direction beyond a predetermined range of movement with respect to the inner slide member of the ball spline mechanism.
REFERENCES:
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patent: 3658369 (1972-04-01), Barnes
patent: 5271486 (1993-12-01), Okamoto et al.
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patent: 2002/0166712 (2002-11-01), Ishimaru et al.
patent: 2004/0130120 (2004-07-01), Matsumoto et al.
patent: 2004-155280 (2004-06-01), None
Kaga Hiroyuki
Kimura Tatsuro
Blackman William D.
Carrier Joseph P.
Carrier Blackman & Associates P.C.
Honda Motor Co. Ltd.
King Bradley T
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