Closure fasteners – Bolts – Swinging
Patent
1999-02-10
2000-04-11
Pham, Teri
Closure fasteners
Bolts
Swinging
292216, 292DIG23, 292DIG42, E05C 306
Patent
active
060480025
ABSTRACT:
A door closing system for locking and unlocking a door using a single actuator has a motor, a latch to be engaged with a door striker and a driving cam for driving the latch. An output shaft of the motor is disposed in parallel with a shaft which rotatably holds the latch and the driving cam, thereby reducing an installment space of the latch and the driving cam. Further, the actuator has plural reduction gears rotated by the motor, and a pattern is disposed on a surface of one of the reduction gears. First to third contacts are disposed to slide on the pattern, thereby producing detection signals of a rotation position of the reduction gear. An operation state of the door closing system is detected according to the detected rotation position of the reduction gear. Thus, the door closing system can be controlled accurately with a single detection sensor.
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Aoyama Takayoshi
Ohta Satoshi
Asmo Co. Ltd.
Pham Teri
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