Gear cutting – milling – or planing – Milling – With regulation of operation by templet – card – or other...
Patent
1979-06-21
1985-07-23
Briggs, William R.
Gear cutting, milling, or planing
Milling
With regulation of operation by templet, card, or other...
144134A, 409190, 409233, 409903, B23C 900
Patent
active
045306273
ABSTRACT:
A pinless router comprising a router coupled to a movable support arranged and configured such that it has at least one separable portion which may be decoupled from the remainder of the support, a means for vertically moving the router and the support, a helical brush having a large central opening concentric with the router tool and which engages with a work piece when the pinless router is in operation, a means for moving the router together with the support in a horizontal plane, a means for decoupling the separable portion from the remainder of the support and a continuous vacuum applied to the central opening in the brush.
In operation, the pinless router is moved downwardly until the brush engages with the surface of the work piece. The routing operation is then substantially performed until just before the routing is completed. The pinless router is then stopped and moved downwardly until the separable portion engages with the work piece. The separable portion is then decoupled from the remainder of the support and the routing operation is completed. The separable portion is then recoupled to the support and the pinless router is moved upwardly and returned to the starting point.
REFERENCES:
patent: 2675038 (1954-04-01), Carlson
patent: 3587391 (1971-06-01), Pitts
patent: 3734153 (1973-05-01), Reed
patent: 3770031 (1973-11-01), Olson
patent: 4037982 (1977-07-01), Clement
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