1978-05-12
1980-01-22
Butler, Douglas C.
Cutlery
F16C 2904
Patent
active
041847180
ABSTRACT:
A slide apparatus for feeding a tool or other element in one direction in a straight line at a controlled rate for a predetermined distance is provided characterized by a base having top, side, bottom and opposing end outer surfaces with tubular internal piston bores in opposing ends of the base, one bore being larger than the other, and each bore containing a sealed piston disposed for reciprocation, together with connections for controlling the movement of the pistons by fluid pressure, and a frame having a top and opposing ends extending downwardly from the top, which is adapted to carry a tool or other device to be fed, the opposing ends of the frame being rigidly connected by rods slidingly mounted in tubular passageways in the base and the inner sides of the ends of the frame being operably contacted by the pistons whereby the frame is moved in one direction in a straight line at a controlled rate in response to the movement of the pistons.
REFERENCES:
patent: 3787132 (1974-01-01), Garnett
patent: 3813132 (1974-05-01), Sahm
patent: 3832019 (1974-08-01), Alessi
patent: 3994539 (1976-11-01), Gottlieb
Butler Douglas C.
Johnston Richard L.
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