192 clutches and power-stop control – Clutches – Torque responsive
Reexamination Certificate
2007-05-15
2007-05-15
Rodriguez, Saul (Department: 3681)
192 clutches and power-stop control
Clutches
Torque responsive
C464S039000
Reexamination Certificate
active
10825838
ABSTRACT:
An external surface of a spindle is formed with tapering grooves which become narrower in a direction towards the forward end of the spindle. A slider sleeve is provided with splines which also taper in a forward direction. In this way, the slider sleeve is prevented from rotating relative to the spindle, but can slide axially. A rearward end of the slider sleeve includes a recess containing an elastomeric O-ring. When the drive torque exceeds a predetermined threshold, inclined surfaces of the mutually engaging teeth on the spindle drive gear and slider sleeve slide over each other, as a result of which the drive gear slides forwardly along the slider sleeve against the action of a spring. The spindle drive gear can then rotate relative to the slider sleeve and the cooperating sets of teeth ratchet over each other, preventing spindle drive gear being from rotating the spindle.
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Ayala Adan
Black & Decker Inc.
Leary Michael P.
Rodriguez Saul
Yocum Charles E.
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