Door with membrane attached to tambour slats guided by a track

Details Door with membrane attached to tambour slats guided by a track Door with membrane attached to tambour slats guided by a track

1995-06-07

1996-08-27

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160230, E06B 338

Patent

active

055491499

ABSTRACT:
The tambour door assembly (16), for a bathtub (10) having side access or other structures, has a plurality of tambour slats (76 or 401). Shafts (78 or 404) are mounted in the ends of the tambour slats. Rollers 82 are mounted on the shafts (78 or 404) and guided by door guide assemblies 64. A flexible water impervious membrane (86) is clamped to the tambour slats (76 or 401) by clamp plates (414) having a surface (416), that is an arc about an axis parallel to the long axis of the tambour slats, in contact with the membrane. The membrane (86) maintains a predetermined space or pitch between the shafts (78 or 404). Sprockets (92) mesh with the shafts (78 or 404) and transmit force from one tambour slat to another through the membrane (86). If desired a motor can be provided to rotate the sprockets (92) and open and close the tambour door (16).

REFERENCES:
patent: 2914775 (1959-12-01), Kauffman
patent: 2936463 (1957-10-01), Tracy
patent: 3101485 (1963-08-01), Kirshenbaum
patent: 3870391 (1975-03-01), Nims
patent: 4821785 (1989-04-01), Rolan
patent: 4903748 (1990-02-01), Foraker
patent: 4966219 (1990-10-01), Sonolet
patent: 4986331 (1991-01-01), Henkenjohann
patent: 5295605 (1994-03-01), Kawahito et al.

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