Belt sander

Abrading – Abrading process – Utilizing nonrigid tool

Patent

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Details

B24B 2100

Patent

active

059577584

ABSTRACT:
A portable belt sander includes two rotatable arms, each of which is urged outward by a torsion spring. The compression resistance of the torsion spring may be increased by compressing a bladder provided within the coil of the torsion spring. The arms may be locked in their maximum outward position by spring catches and a plate secured to the arms.

REFERENCES:
patent: 2259941 (1941-10-01), Primeaux
patent: 3566549 (1971-03-01), Britton

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