Shearing handpiece rear section

Details Shearing handpiece rear section Shearing handpiece rear section

1986-06-23

1988-02-23

Watts, Douglas D.

Cutlery

Cutting tools

Plural cooperating blades

30215, B26B 1900

Patent

active

047261170

ABSTRACT:
A shearing handpiece rear section for connection between a drive tube assembly and a handpiece front section which includes a cutter and driving fork, and comprising an outer casing, a tubular bushing threaded therein and connected with a partly encircled tubular joint by a circlip to permit relative rotation and prevent axial displacement between the bushing and the joint, a drive shaft extending through the casing and journalled at opposite end portions in bearings supported in respective ones of the bushing and the joint, a crank head upon a forward end of the shaft and provided with clearance from a forward end of the bushing, and a drive cog upon a rearward end of the shaft and abutting the bearing in said joint, so that with axial thrust on the handpiece contact of said crank head with said bushing is avoided.

REFERENCES:
patent: 2651107 (1953-09-01), Bartlett
patent: 2974413 (1961-03-01), Williams

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