Slotting apparatus for producing a slot in inner circumferential

Details Slotting apparatus for producing a slot in inner circumferential Slotting apparatus for producing a slot in inner circumferential

1992-02-28

1994-09-06

Jones, Eugenia

Gear cutting, milling, or planing

Planing

Means for cutting groove

409331, 409334, 83875, 83178, 83185, B23D 500

Patent

active

053442628

ABSTRACT:
A slotting apparatus has a slotting tool for producing a slot of a substantially arcuate cross section axially in an inner circumferential surface of a tubular workpiece held in position. When the slotting tool moves in one direction axially in the tubular workpiece, it follows an arcuate path by moving progressively toward and away from the inner circumferential surface of the tubular workpiece. The slotting tool cuts off the inner circumferential surface of the tubular workpiece, forming an arcuate slot therein. When the slotting tool moves back, it is spaced from the slotted surface region of the workpiece, and travels along a straight path back to its starting position. The slotting tool is supported on a tool support angularly movably supported by first and second link arms in a casing. The first link arm has a distal end pivotally supported by a fixed shaft in the casing, and the second link arm has a distal end pivotally supported by a first drive crankshaft for revolving movement about the axis thereof. The first drive crankshaft is operatively coupled to a second drive crankshaft that engages the tool support for angularly moving the tool support.

REFERENCES:
patent: 2109356 (1938-02-01), Larsen
patent: 2431230 (1947-11-01), Cooper
patent: 2905063 (1959-09-01), Gronau
patent: 3426646 (1969-02-01), Lee et al.
patent: 3591139 (1971-07-01), Bishop
patent: 3765305 (1973-10-01), Bishop
patent: 5018913 (1991-05-01), Seiberlich

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