Movable or removable closures – Plural wings radiate from common pivot; i.e. – revolving – With speed regulator
Reexamination Certificate
2006-04-04
2006-04-04
Strimbu, Gregory J. (Department: 3634)
Movable or removable closures
Plural wings radiate from common pivot; i.e., revolving
With speed regulator
C049S040000, C049S041000, C049S042000, C049S138000
Reexamination Certificate
active
07021002
ABSTRACT:
A revolving door comprising an at least partly cylindrical shell wall, which has an entrance and an exit, and two rotating door leaves, which during normal operation are in place extended in the opposite direction of each other inside the shell wall. Between the shell wall and an end of at least one door leaf, which end can move near and along the shell wall, a sliding door is provided, which is suitable for closing off the entrance or exit, respectively, and during normal operation the end of the door leaf is constantly positioned near the sliding door and between its lateral edges.
REFERENCES:
patent: 455656 (1891-07-01), Chew
patent: 1273463 (1918-07-01), Dawes
patent: 1992847 (1935-02-01), Uhrich
patent: 2029914 (1936-02-01), Dreher
patent: 4341165 (1982-07-01), Calandritti et al.
patent: 4843761 (1989-07-01), Sandling
patent: RE33407 (1990-10-01), Schwarz
patent: 5542211 (1996-08-01), Colombo
patent: 5987817 (1999-11-01), Hein
patent: G94 20531.0 (1995-03-01), None
patent: 0 599 373 (1994-06-01), None
patent: 0 799 962 (1997-10-01), None
patent: 1 223 699 (1971-03-01), None
patent: 5614 (1921-05-01), None
Boon Edam B.V.
Myers Jeffrey D.
Oaxaca Vidal A.
Peacock & Myers, P.C.
LandOfFree
Sliding revolving door does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sliding revolving door, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sliding revolving door will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3531683