Gear cutting – milling – or planing – Broaching – With product handling means
Patent
1977-11-07
1980-07-15
Bilinsky, Z. R.
Gear cutting, milling, or planing
Broaching
With product handling means
409257, 409263, 409266, 409268, 409272, B26D 3708, B26D 4106
Patent
active
042125731
ABSTRACT:
Two vertically movable carriages are alternately reciprocated. Each carriage holds two broaches positioned at opposite sides of the ways that guide the carriage. In one embodiment workpieces are moved from a magazine between the carriages alternately to work stations beside each carriage. In another embodiment the workpieces are moved between the two broaches in a series of three steps, the first broach acting on a given workpiece during a dwell before the first step and the second broach acting on that workpiece during a dwell after the third step. In yet another embodiment the workpieces are held by a chuck which, between successive broaching strokes, rotates the workpiece about an axis normal to the broaching strokes.
REFERENCES:
patent: 1864322 (1932-06-01), Sandler
patent: 2002924 (1935-05-01), Romaine et al.
patent: 2024252 (1935-12-01), Romaine et al.
patent: 2072563 (1937-03-01), Lynch et al.
patent: 2263390 (1941-11-01), Lapointe
patent: 2343420 (1944-03-01), Podesta
patent: 2647443 (1953-08-01), Weisberger et al.
Bilinsky Z. R.
Ty Miles, Inc.
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