Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide
Patent
1995-06-07
1997-06-24
Nguyen, Kien T.
Movable or removable closures
With operator for movably mounted closure
Operator drives closure along guide
E05F 1154
Patent
active
056408064
ABSTRACT:
The subject is a slide gate or a slide door. There is a DC electric motor which is battery powered. The source of electricity can be from an AC power source such as 110 or 120 volts. A transformer and a converter change the voltage to about 24 volts and rectify the current from alternating current to direct current. There is the electric motor and gear box combination connecting with a drive pulley. Further, there is a pulley on a spaced-apart post. A cable runs around the two pulleys. The drive pulley is connected to the slide gate or the slide door for moving the gate or door.
REFERENCES:
patent: 182322 (1876-09-01), Norcross
patent: 620478 (1899-02-01), Mittinger
patent: 4296570 (1981-10-01), Balbach et al.
patent: 4313281 (1982-02-01), Richmond
patent: 4738052 (1988-04-01), Yoshida
patent: 5076012 (1991-12-01), Richmond et al.
patent: 5127190 (1992-07-01), Hein et al.
Nguyen Kien T.
Secrest Thomas W.
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