Chairs and seats – Movable back
Patent
1997-10-30
1999-07-06
Cuomo, Peter M.
Chairs and seats
Movable back
29741136, 24829731, A47C 754
Patent
active
059189380
ABSTRACT:
A safety device, particularly usable for mechanisms for lifting a back of a chair or armchair of the type that comprising a blade-like element which is slidingly associated between a first and a second supporting plate for a back; the blade-like element protrudes to the rear of, and above, a seat and has a first recess for a rack with two mutually opposite and offset sets of teeth, which interacts with a complementarily toothed ratchet element which cooperates with elements for forcing the locking of the sliding of the blade-like element as a consequence of a sudden movement imparted to the back in an upward or downward direction.
REFERENCES:
patent: 4036525 (1977-07-01), Howk
patent: 4043592 (1977-08-01), Fries
patent: 4384742 (1983-05-01), Wisniewski
patent: 4616877 (1986-10-01), Slaats
patent: 4639039 (1987-01-01), Donovan
patent: 4749230 (1988-06-01), Tornero
patent: 4930840 (1990-06-01), Tornero
patent: 5007678 (1991-04-01), Dekraker
patent: 5324096 (1994-06-01), Schultz
patent: 5582460 (1996-12-01), Schultz
patent: 5586809 (1996-12-01), Szmadzinski
patent: 5597204 (1997-01-01), Karaus, Jr.
patent: 5649741 (1997-07-01), Beggs
patent: 5678893 (1997-10-01), Bock
patent: 5685609 (1997-11-01), Miotto
patent: 5695249 (1997-12-01), Lotfi
patent: 5765920 (1998-06-01), Lai
Cuomo Peter M.
Nowy Styl sp. z o.o.
O'Byrne Daniel J.
White Rodney B.
LandOfFree
Safety device for mechanisms for lifting the back of a chair or does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Safety device for mechanisms for lifting the back of a chair or , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Safety device for mechanisms for lifting the back of a chair or will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-894446