Powered toggle latch clamp
AssigneeDelaware Capital Formation, Inc.
InventorHenry Dykstra
Life of this patent
Estimating the term…
Abstract
U-bolt toggle latch clamp actuated by power cylinder having piston rod extending at right angles to toggle linkage reaching aligned relation upon U-bolt retraction to clamping position. The toggle linkage is pivotally connected at one end to a fixed reaction pin, at the other end to a U-bolt crosspin and at the center to the actuating piston rod.
Claims10
Power toggle latch clamp comprising a pair of sheet metal stamping side brackets, clamp frame means for separate mounting on base, toggle U-bolt latch actuating linkage pivotally mounted on said frame, pressure power cylinder means mounted on said frame, powered means mounted on said frame for reversibly actuating said linkage between release and clamping position, and U-bolt means pulled by said linkage into clamping position, including guide slots in said side brackets and a latch U-bolt pin extending through said slots.
Power actuation toggle latch clamp for mounting on fixed clamp base comprising pair of base mounted side brackets, fluid pressure actuated power cylinder mounted between said brackets, piston rod actuated by said power cylinder, toggle linkage actuated by said piston rod, latch clamping U-bolt actuated by said toggle linkage, said toggle linkage comprising a fixed reaction pivot pin anchored on said side brackets, guide slots in said brackets for engagement by a latch pin, a latch pin extending through said guide slots, a pair of actuating links pivotally connected to said latch pin, a pair of actuating links pivotally connected to said fixed reaction pivot pin, said piston rod being pivotally connected to both pair of said actuating links with a common pivotal axis, and latch U-bolt means connected to the ends of said pin extending through said guide slots.
Dependencies are inferred from the claim text.