1979-07-05
1981-03-17
Simpson, Othell M.
Bridges
145 35E, B27B 2102
Patent
active
042561566
ABSTRACT:
A multi-tension hacksaw including a longitudinallly extending frame member having a first blade support member on one end and a bracket on the other end extending laterally therefrom a second blade support member pivotally mounted on the bracket, a tensioning rod having a threaded first end adjacent to the first blade support member and a second end pivotally connected to the second blade support member, an elongated crank handle threadedly and rotatably engaging the threaded first end of the tensioning rod so that rotation of the crank handle applies tension to the tensioning rod, and a tension indicator including a pointer mounted on the bracket and a tension indicia on the second blade support member cooperating with the pointer.
REFERENCES:
patent: 1252424 (1918-01-01), Gamage
patent: 1394174 (1921-10-01), Ireland et al.
patent: 1710549 (1929-04-01), Mungo
patent: 2166446 (1939-07-01), Priest et al.
patent: 2516079 (1950-07-01), Shortell
patent: 2796098 (1957-06-01), Dreier
patent: 2869600 (1959-01-01), Dreier
patent: 3636997 (1972-01-01), Keymer
patent: 3822731 (1974-07-01), Keymer
Biszantz Donald W.
Iammarino Dominic J.
Landers Russell H.
Sexton James H.
Easco Tools, Inc.
Simpson Othell M.
Zatarga J. T.
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