Hands-free door opener and method

Details Hands-free door opener and method Hands-free door opener and method

2005-11-22

2005-11-22

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S925000, C040S459000, C040S460000

Reexamination Certificate

active

06967587

ABSTRACT:
An apparatus for automatically opening a swinging restroom door is provided. The apparatus comprises an actuator, a control unit, and a power assisted drive mechanism that can be connected to an existing door closing mechanism. The actuator comprises a proximity sensor and further comprises a series of iconic symbols corresponding to predetermined proximity zones. The control unit is in electronic communication with the actuator with which signals are exchanged. The power assisted drive mechanism is in electronic communication with the control unit and can be connected to an existing door closing mechanism wherein the actions of the door closing mechanism are reversed and the door is opened.

REFERENCES:
patent: 3560950 (1971-02-01), Peters
patent: 3852592 (1974-12-01), Scoville et al.
patent: 4023151 (1977-05-01), Markham
patent: 4560912 (1985-12-01), Jonsson
patent: 4577437 (1986-03-01), Gionet et al.
patent: 4642612 (1987-02-01), Crump
patent: 4660324 (1987-04-01), Nyenbrink
patent: 4698937 (1987-10-01), Kornbrekke et al.
patent: 4823010 (1989-04-01), Kornbrekke et al.
patent: 4851746 (1989-07-01), Milke
patent: 4896144 (1990-01-01), Bogstad
patent: 4951045 (1990-08-01), Knapp et al.
patent: 4967083 (1990-10-01), Kornbrekke et al.
patent: 4972629 (1990-11-01), Merendino et al.
patent: 5021644 (1991-06-01), Beran et al.
patent: 5031258 (1991-07-01), Shaw
patent: 5040331 (1991-08-01), Merendino et al.
patent: 5060323 (1991-10-01), Shaw
patent: 5086526 (1992-02-01), Van Marcke
patent: 5095654 (1992-03-01), Eccleston
patent: 5187816 (1993-02-01), Chiou
patent: 5217035 (1993-06-01), Van Marcke
patent: 5482250 (1996-01-01), Kodaira
patent: 5657004 (1997-08-01), Whittaker et al.
patent: 5670945 (1997-09-01), Applonie
patent: 5673016 (1997-09-01), Lutes
patent: 5739523 (1998-04-01), Tsutsumi et al.
patent: 5770935 (1998-06-01), Smith et al.
patent: 5813364 (1998-09-01), Harrison
patent: 5855027 (1999-01-01), Macedo
patent: 5878530 (1999-03-01), Eccleston et al.
patent: 5963000 (1999-10-01), Tsutsumi et al.
patent: 6038708 (2000-03-01), Schreck
patent: RE36930 (2000-10-01), Houten et al.
patent: 6292100 (2001-09-01), Dowling
patent: 6461013 (2002-10-01), Simon
patent: 6588153 (2003-07-01), Kowalczyk
patent: 6678999 (2004-01-01), Zengguang et al.
patent: 6741183 (2004-05-01), Burnett
patent: 2002/0029412 (2002-03-01), Veal
patent: 2003/0167693 (2003-09-01), Mainini
patent: 2003/0182759 (2003-10-01), Breed et al.
patent: 2004/0041057 (2004-03-01), Byrd et al.
patent: 2005/0073425 (2005-04-01), Snell et al.

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