Non-Jamming shear pin assembly

Details Non-Jamming shear pin assembly Non-Jamming shear pin assembly

1977-04-21

1978-07-25

Mehr, Milton S.

F16D 900

Patent

active

041021533

ABSTRACT:
A tree harvesting machine has delimbing knives which are fixed to arms having hubs fixed, by means of a shear pin assembly, to a rock shaft. The shear pin assembly includes a pair of headed pins which are inserted into opposite ends of first and second axially aligned bores respectively extending diametrically through the hub and shaft. A pair of retaining clips are secured to the hub by and are respectively urged against the pin heads by a pair of cap screws. The pins are dimensioned such that their respective inner ends are spaced from each other when the pins are installed.

REFERENCES:
patent: 2566690 (1951-09-01), Wright
patent: 2744396 (1956-05-01), Nagy et al.
patent: 2748578 (1956-06-01), Potts

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