Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-02-14
1976-10-26
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
83489, 83574, 125 14, B24B 1900
Patent
active
039881253
ABSTRACT:
A device for rigidly supporting a portable power saw and permitting selective vertical movement thereof for cutting lengths of metal, plastic, wood and the like. A base having a horizontal work surface includes a clamping means for clamping the work to be cut in a predetermined position. An upstanding support post slidably carries a saw support arm to which a portable power saw is secured with the cutting element thereof disposed in a vertical plane. Lever means connected with the saw support arm permits the selective vertical movement of the saw through the clamped worked piece. Spring means are provided to return and retain the saw and saw support arm to a raised position above the work piece.
REFERENCES:
patent: 2254046 (1941-08-01), Pearson
patent: 3621829 (1971-11-01), Maluck
patent: 3686990 (1972-08-01), Margolien
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