Pneumatic engraving tool

Details Pneumatic engraving tool Pneumatic engraving tool

1974-10-09

1976-03-30

Aegerter, Richard E.

Geometrical instruments

Scriber

Pantographic

415503, B43L 1310

Patent

active

039464911

ABSTRACT:
A fluid actuated, portable engraving tool has a body provided with an opening into which a unitized fluid motor assembly is arrangeable. The body has a tracing assembly mounted on it for engaging in a suitable template, and the like, and guiding a cutter associated with the motor assembly along a path determined by the template. A preferred motor assembly includes a motor cap, fluted rotor, and two bearings affixed to a spindle. Fitting of the bearings into the body opening mounts the motor assembly on the body.

REFERENCES:
patent: 3073114 (1963-01-01), Wood
patent: 3218028 (1965-11-01), Borden
patent: 3221500 (1965-12-01), Hill
patent: 3250008 (1966-05-01), Heisley
patent: 3324553 (1967-06-01), Borden
patent: 3381378 (1968-05-01), Lawrence et al.
patent: 3417963 (1968-12-01), Maverna

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