Spring trip mechanism for plows

Details Spring trip mechanism for plows Spring trip mechanism for plows

A - Human Necessities

01

B

97/76

A01B 61/04 (2006.01)

Patent

CA 1139600

SPRING TRIP MECHANISM FOR PLOWS ABSTRACT OF THE DISCLOSURE A trip mechanism 41 for a plow standard 11 includes a pair of toggle links 46, 61 having their remote ends pivotally connected, respectively, to a plow frame 15 and the standard 11. Link 61 includes a leaf spring 63 with a rolled end 86 pivotally connected to the link 46 by a pin 88 normally disposed in an overcenter position; however, when excessive working forces are encountered, the leaf spring 63 deflects somewhat in the manner of a cantilevered beam causing the pin 88 to move from its overcenter position to a tripped position thus allowing the plow standard 11 to swing upwardly about its pivot axis 16.

360155

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