Sander

Details Sander Sander

1988-03-11

1989-09-26

Smith, James G.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51148, 51170EB, B24B 2100

Patent

active

048690260

ABSTRACT:
A belt sander having a continuous belt whose grit faces inwardly toward the centrum of the space encompassed by the belt. The sander is powered by electric motor means such as an electric drill motor. Its function is to de-burr, sand, or polish metal or wood work pieces to a cylindrical or curved shape. Its action is to encompass the work piece with a moving belt whose inward facing surface is coated or covered by the desired abrasive or polishing material, and to cause contact between the belt and the work piece to remove or add material. Spring pressure is normally applied between the driving shaft or pulley and the frictionally driven belt to prevent or minimize slip when the driven belt sands a pipe or other curved surface. The sander is constructed so as to be selectively portable or stationary mounted on a table. It may also be driven by a chain saw.

REFERENCES:
patent: 1773077 (1930-08-01), Newman
patent: 2556041 (1951-06-01), Pick
patent: 2751728 (1956-06-01), Petit
patent: 3267619 (1966-08-01), Den Herder
patent: 3983664 (1976-10-01), Martin
patent: 4043083 (1977-08-01), Rosdil
patent: 4551951 (1985-11-01), Nace

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