Hacksaw with improved blade tensioning mechanism

Details Hacksaw with improved blade tensioning mechanism Hacksaw with improved blade tensioning mechanism

1981-03-23

1983-01-11

Yost, Frank T.

Bridges

145108R, B23D 4912, B23D 5110, B27B 2106

Patent

active

043677797

ABSTRACT:
A hacksaw with an improved mechanism for adjusting the tension on the blade. The mechanism includes a lever for vertically moving a rod to pivot a rocker arm to place tension on the rocker arm-held blade. The rod has an adjustment knob at its lower end to precisely select final blade tension. The lever has a latch means for securely locking the lever closed, and the latch means has a safety feature which prevents accidental and sudden unlocking of the lever.

REFERENCES:
patent: 2194494 (1940-03-01), Carroll
patent: 3636997 (1972-01-01), Keymer
patent: 3822731 (1974-07-01), Keymer

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