Patent ID: 7250016
Filing Date: 2007-07-31
Classification: B25B,Y10T

Abstract:
1. An apparatus for manually uncoupling a V-belt drive from an active power source, comprising: a tapered member connected to said active power source for engaging in holding relationship a pulley of said V-belt drive; a means for disengaging said tapered member from said V-belt drive when said power source is active, said disengaging means comprising, a retractor member attached to said pulley of said V-belt drive, a toggle linkage for causing said retractor member to disengage said tapered member from said V-belt drive, said toggle linkage including a first pair of diverging toggle links and a second pair of crossing toggle links having end portions pivotally connected to end portions of said first pair of toggle links, a sleeve for pivotally mounting said second pair of toggle links for rotation about an axis passing through an intersection of said second pair of toggle links, said axis having a fixed relationship to said tapered member; and a push rod for operating said toggle linkage to cause said retractor member to disengage said tapered member from said V-belt drive.