Cutting – By tool reciprocable along elongated edge – Having uniplanar compound motion
Patent
1983-02-04
1984-06-26
Meister, James M.
Cutting
By tool reciprocable along elongated edge
Having uniplanar compound motion
83783, 83662, B23D 4506
Patent
active
044559097
ABSTRACT:
A hacksaw machine comprises an upper and a lower horizontal bracket, a swinging arm in each one of the brackets and a driving mechanism for pivoting the lower swinging arm. A saw-blade connects the front ends of the swinging arms. The lower swinging arm is twice as long as the upper arm. Both swinging arm are tensioned in opposite directions by springs respectively which are adjustably fastened at the brackets. The swinging mechanism is independent on the lengths of the brackets.
REFERENCES:
patent: 1856740 (1932-05-01), Anderson
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