B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
81/13
B21D 9/08 (2006.01) B25B 7/12 (2006.01)
Patent
CA 1264572
ABSTRACT OF THE DISCLOSURE A diminishing arm toggle linkage has the work site within the toggle geometry and thereby provides exponential force enhancement. In preferred embodiments the mode of operation shifts on demand from a light-load-pivoting mode to a heavy- load-rolling element mode thereby easing operation and reducing friction and wear so as to provide prolonged durability and continuing dimensional accuracy, When the toggle linkage is embodied in a crimping tool an optional anti-reversing ratchet assembly prevents the tool from opening during use until a crimp is completed.
498395
Burke-Robertson
Hadden Edward Leal SR.
LandOfFree
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