Sandpaper clamp mechanism for orbital finishing sander

Details Sandpaper clamp mechanism for orbital finishing sander Sandpaper clamp mechanism for orbital finishing sander

1989-06-30

1990-05-08

Parker, Roscoe V.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51170MT, 51387, B24B 2300

Patent

active

049226630

ABSTRACT:
An orbital finishing sander includes a sandpaper clamp mechansim which has a sandpaper holder angularly movably supported on a bottom plate. A sanding sheet placed over a platen attached to the bottom plate is gripped by gripping teeth of the sandpaper holder under the bias of a spring. When a lever mounted on a frame of the sander is turned through about 90.degree., a presser on one end of the lever successively cams slanted and flat surfaces of the sandpaper holder downwardly to lift the gripping teeth off the bottom plate, thus releasing the sanding sheet. The sanding sheet is removed, and a new sanding sheet is placed on the platen, after which the lever is turned back to allow the gripping teeth to grip the new sanding sheet under the spring force.

REFERENCES:
patent: 2775076 (1956-12-01), Roods
patent: 3375616 (1968-04-01), Scott et al.
patent: 3822518 (1974-07-01), Sjostrand
patent: 4075793 (1978-02-01), Vogel et al.

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