Laser processing apparatus

Details Laser processing apparatus Laser processing apparatus

1992-10-01

1993-12-28

Albritton, C. L.

Electric heating

Metal heating

By arc

21912163, 21912182, 269 32, 269224, B23K 2612

Patent

active

052742121

ABSTRACT:
A door seal apparatus for a laser operating station, comprises a fixed wall with an opening, a turn table device with a turn table wall positioned within the opening, the turn table device having at least two positions in which the turn table wall is substantially parallel and coplanar with the fixed wall, with a gap existing between the fixed wall and turn table wall, cylinders for driving a first plate in a first direction over a first portion of the gap, and a cam plate for operationally engaging the first plate to a second plate and for driving the second plate in a second direction over a second portion of the gap as the first plate is driven in a first direction, wherein the first and second plates prevent direct light leaks from the first and second portions of the gap.

REFERENCES:
patent: 3775586 (1973-11-01), Flint et al.
patent: 4965429 (1990-10-01), Polstorff
patent: 4970367 (1990-11-01), Miller
patent: 5039836 (1991-08-01), Lemelson
Illustrations of a Door Seal Mechanism--pp. 1-3.
Illustrations of a Clamp Assembly.

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