Saw blade adjusting mechanism

Details Saw blade adjusting mechanism Saw blade adjusting mechanism

1994-04-28

1995-02-14

Jones, Eugenia

Cutlery

Cutting tools

Saw

30507, 30513, B27B 2102

Patent

active

053883330

ABSTRACT:
A saw blade adjusting mechanism, which includes a first tightening up rod and a second tightening up rod fastened to the frame assembly of a hack saw at two opposite ends by nuts to hold the saw blade, a rotary adjusting knob mounted around the first tightening up rod and forced by a first spring to mesh with a toothed through hole on the front end of the frame assembly of the hack saw, a gear mounted around the second tightening up rod and forced by a second spring to disengage from the locating block, wherein the first and second tightening up rods are moved synchronously when the rotary adjusting knob is turned to change the angular position of the saw blade.

REFERENCES:
patent: 1548393 (1925-08-01), Strug
patent: 2101362 (1937-12-01), Davidson
patent: 2204390 (1940-07-01), Albright
patent: 2213841 (1940-09-01), Hubeck
patent: 2253440 (1941-08-01), Martin
patent: 2399869 (1946-05-01), Hough
patent: 2715426 (1955-08-01), Morris
patent: 3329186 (1967-07-01), David
patent: 5217158 (1993-12-01), Chen

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