Monitoring the motion of a drive-operable, one or multiple part

Details Monitoring the motion of a drive-operable, one or multiple part Monitoring the motion of a drive-operable, one or multiple part

1996-10-28

1999-09-14

Stodola, Daniel P.

Movable or removable closures

Safety means responsive to obstruction to closure

49506, E05F 1502

Patent

active

059503645

ABSTRACT:
A method for monitoring motion of a drive-operable door body between open d closed positions. To monitor movement as sensitively as possible, an actually occurring course of movement is compared with a previously fixed nominal course. A signal for interrupting movement is generated when the nominal course and the actual course, and/or one of the derivations of these, differ from one another by a previously fixed amount.

REFERENCES:
patent: 5051672 (1991-09-01), Yaguchi
patent: 5131506 (1992-07-01), Mizuno et al.
patent: 5278480 (1994-01-01), Murray
patent: 5315220 (1994-05-01), Takimoto et al.

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