Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1991-07-22
1992-08-18
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
1601781, E06B 926
Patent
active
051390728
ABSTRACT:
A drape or blind assembly having a headrail in which there is disposed a shaft, on rotation of which the position of the drapes or blind slats is adjusted, and a transmission mechanism which comprises a drive gear and a coupling adapted to be coupled to such a shaft so that rotation of the drive gear normally causes rotation of the shaft. If, however, the drive gear is rotated past a predetermined rotational position, a stop member generally provided on the coupling engages an abutment member to prevent further rotation of the shaft. To prevent damage to the mechanism in such a situation, the mechanism includes a recess defined by first drive surfaces and a resilient arm means having complementary second drive surfaces. On continued rotation of the drive gear after the stop member has engaged the abutment member, the resilient arm means flexes to permit relative rotation of the first and second drive surfaces. Bearings are provided in the headrail for rotatably supporting the shaft, and retaining it in position.
REFERENCES:
patent: 2809531 (1957-10-01), Moyer
patent: 3333905 (1967-08-01), Hennequin
patent: 3347062 (1967-10-01), Schumann et al.
patent: 3425479 (1969-02-01), Lorentzen et al.
patent: 4103727 (1978-08-01), Spohr
patent: 4122885 (1978-10-01), Marotto
patent: 4177853 (1979-12-01), Anderson et al.
patent: 4257470 (1981-03-01), Woodle
patent: 4267875 (1981-05-01), Koks
patent: 4406319 (1983-09-01), McNiel et al.
patent: 4531563 (1985-07-01), Nilsson
patent: 4621673 (1986-11-01), Georgopoulos et al.
patent: 4627673 (1986-11-01), Georgopoulos et al.
patent: 4643238 (1987-02-01), Tachikawa et al.
patent: 4676292 (1987-06-01), Valle et al.
patent: 4719955 (1988-01-01), Tachikawa et al.
patent: 4875516 (1989-10-01), Marocco
LandOfFree
Coupling and transmission mechanism for drape or blind assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Coupling and transmission mechanism for drape or blind assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coupling and transmission mechanism for drape or blind assembly will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1241987