Mask holding

Work holders – Relatively movable jaws – Plural jaw pairs

Patent

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Details

269303, 269307, 269249, 269254CS, B25B 100

Patent

active

047114380

ABSTRACT:
A rectangular plate holder is formed with an approximately square recess defined by an upstanding perimetrical wall having two top studs on one side and one top stud on an opposed side wall lapped to be coplanar in a common plane. The base plates include five and three sets of mask clamping points for defining clamping points for five and three mask sizes. Each clamp includes a clamp assembly fastened to the base having a spring-loaded lower clamping arm below an upper set screw clamping point. A handle is fixed to one side between the opposed sides having the lapped studs.

REFERENCES:
patent: 106080 (1870-08-01), Saurmon
patent: 2867003 (1959-01-01), Stiles
patent: 3484896 (1969-12-01), Greenman
patent: 4288065 (1981-09-01), Braverman
patent: 4593804 (1986-06-01), Kinsey et al.

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