Carpenter planer

Details Carpenter planer Carpenter planer

1979-09-21

1981-10-13

Bray, W. D.

Woodworking

Planer

Stationary cutter

144 3A, B27C 112

Patent

active

042942969

ABSTRACT:
Herein disclosed is a carpenter planer in which a stock is cut during the reciprocative motion on a stock feeding table. The stock to be cut is reciprocated by a stock feeding unit above the stock feeding table, which is driven by a reversible motor. A detector for detecting the passage of the stock to change the forward or reverse rotation of the motor is provided on the side of the feeding table. The detector is adapted to emit a signal toward the side of the stock and to receive the reflected signal from the stock. With the detector is connected a timer for preventing the detector from malfunction even if the reflected signal has not been received by the detector for a predetermined period of time due to irregular reflection of the signal on the stock.

REFERENCES:
patent: 3727654 (1973-04-01), Mochizuki
patent: 4249584 (1981-02-01), Onda

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