Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Patent
1986-02-04
1987-03-24
Briggs, William R.
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
51170T, 144134D, 144136C, B23C 120, B25F 500
Patent
active
046521917
ABSTRACT:
The press router has a base and a frame for receiving a router motor assembly including a router cutting tool. A movable rack supported by the frame is coupled to the router motor assembly. A pinion supported by the frame engages the rack and is rotatable by a feed handle for moving the rack and hence the router motor assembly up or down. Rollers supported by the frame engage the router motor assembly in the opening of the frame. The router motor assembly can be dynamically advanced when powered. A clutch in the feed handle allows the feed handle to be disengaged from the pinion and rotated relative to the pinion to a comfortable position for gripping by the operator. An incremental advance sub-assembly is provided in the feed handle to allow the operator to incrementally advance the router motor housing and cutting tool. A return to start sub-assembly is provided in the feed handle to allow the operator to vary the start position of the router motor housing. A depth gage assembly is coupled to the router motor housing to accurately control the depth of cut. A warning light is provided to indicate to the operator when the pre-set depth of cut approaches. In additon a fixture is provided for aligning a template guide relative to the router cutting tool.
REFERENCES:
patent: 1581719 (1926-04-01), Carter
patent: 1874232 (1932-08-01), Groene et al.
patent: 3466973 (1969-09-01), Rees
patent: 4102370 (1978-07-01), Vess
patent: 4239428 (1980-12-01), Berzina
patent: 4319860 (1982-03-01), Beares
patent: 4488383 (1984-12-01), Zerbe
patent: 4562872 (1986-01-01), Fushiya et al.
Briggs William R.
Zobal Arthur F.
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