Cutlery – Combined cutlery or combined with ancillary feature – With material-holder or disposal
Patent
1992-05-19
1993-08-17
Watts, Douglas D.
Cutlery
Combined cutlery or combined with ancillary feature
With material-holder or disposal
30134, B26B 1300
Patent
active
052357503
ABSTRACT:
Shear-type cutters for hard and/or large thickness workpieces having a pair of shearing-action cutting jaws, laterally abutting each of which jaws is a hold-down clamp member having a hold-down surface positioned opposite the other of said jaws. Each hold-down surface is moveable with respect to its associated jaw away from the jaw it opposed through a wide range of distances, normally is in alignment with the cutting surface of the jaw to which it as affixed, and is resiliently biased against being so moved. Thereby, when the jaws close on a workpiece of any of a wide range of thicknesses, the hold-down surfaces of the clamps come into contact with and yieldingly remain pressed against the outer surfaces of the work piece to hold it in place as the cutting jaws impinge upon and cut through it.
REFERENCES:
patent: 257389 (1882-05-01), Sager
patent: 681972 (1901-09-01), Postlethwait
patent: 747359 (1903-12-01), Barnard
patent: 835791 (1906-11-01), Kelly
patent: 1123929 (1915-01-01), Russell
patent: 1444044 (1923-02-01), Tener
patent: 1576359 (1926-03-01), Rauha, Jr.
patent: 1650948 (1927-11-01), Long
Payer Hwei-Siu
Rhines William G.
Watts Douglas D.
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