Cutting by use of rotating axially moving tool – With control means energized in response to activator... – To control infeed
Patent
1977-03-15
1978-08-22
Culver, Horace M.
Cutting by use of rotating axially moving tool
With control means energized in response to activator...
To control infeed
408 77, B23B 3914
Patent
active
041085647
ABSTRACT:
A drilling device for workpieces of different sizes is disclosed herein. The drilling device includes a tool carrier supported by a carriage for reciprocable movement thereon along a path and the carriage is also reciprocable along the path. The carriage is biased to a predetermined starting position. When a tool on the tool carrier engages the workpiece, the carriage is moved in the opposite direction and engages a switch to reduce the feed speed of the tool carrier for a short period of time during which the carriage engages a stop to define a fixed drilling position. Upon completion of the drilling operation, a biasing spring moves the carriage in the drilling direction beyond the starting position to actuate a switch and return the tool carrier to a starting position while the carriage is also returned to the starting position.
REFERENCES:
patent: 2240795 (1941-05-01), Morgan, Jr. et al.
patent: 3429205 (1969-02-01), Jeanneret
patent: 3487730 (1970-01-01), Dohring et al.
patent: 3734202 (1973-05-01), Gyongyosi
Peddinghaus Werner
Regenbrecht Ludwig
Culver Horace M.
Werner Peddinghaus
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