Cutting – Rotatable disc tool pair or tool and carrier – With guard for tool
Patent
1976-06-04
1977-07-05
Schran, Donald R.
Cutting
Rotatable disc tool pair or tool and carrier
With guard for tool
83397, 83366, 83 70, 83 63, 83DIG1, B27G 1902
Patent
active
040332187
ABSTRACT:
A table-saw having dual guards, one being that for the saw to run the guard must always be in correct vertical and horizontal operating position covering the whirling saw blade, and the other being that the saw is automatically shut off after a waiting period in the event that the operator is not actually working at a sawing operation. There is a manual over-ride switch for hard-to-do jobs subject to the security of lock and key.
REFERENCES:
patent: 1900553 (1933-03-01), Hampton
patent: 3105530 (1963-10-01), Peterson
patent: 3805658 (1974-04-01), Scott et al.
patent: 3880032 (1975-04-01), Green
Diver John R.
Rummler Chas. W.
Schran Donald R.
Spanjer Brothers Inc.
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