Shearing apparatus

Details Shearing apparatus Shearing apparatus

1982-09-27

1985-05-14

Watts, Douglas D.

Cutlery

Pipe and rod cutters

Adapted to cut pipe or rod longitudinally

30233, 30228, 83580, 128 92R, B23D 2106

Patent

active

045163227

ABSTRACT:
A mechanically operated cutter assembly adapted to shear bar or rod stock, such as bone pins, even though both ends of the rod are fixed, along a plane perpendicular to its axis, includes a body member having an elongated interior channel within which a rod carrier and cutting plug are slidably mounted, the body having a slot disposed transversely to the longitudinal axis of and intersecting the interior channel for permitting access of the rod to the cutting plug. The cutting plug has a transverse passageway contoured to fit a portion of the periphery of the rod to be sheared which, in a first longitudinal position is aligned with the rod-receiving slot. The cutting plug is adapted to be moved to a second longitudinal position at which the passageway is out of registry with the slot, whereby a rod carried in the passageway is severed. The tendency of the rod to bend during shearing is restricted interiorly of the body member by coaction of a transverse passageway in the rod carrier with the passageway in the cutting plug, and is restricted exteriorly of the body member by an arm secured to an external surface of the body member in a position to engage the rod near the point of shear.

REFERENCES:
patent: 2563069 (1951-08-01), Roberts
patent: 3024530 (1962-03-01), Haskell et al.
patent: 3861035 (1975-01-01), Ramey et al.
patent: 3972116 (1976-08-01), Forsythe et al.

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