Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Reissue Patent
1999-06-09
2001-04-24
Purol, David M. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
Reissue Patent
active
RE037143
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an angle adjusting device, and more particularly to a slat angle adjusting device for a Venetian blind.
BACKGROUND OF THE INVENTION
A conventional slat angle adjusting device for a Venetian blind is shown in
FIG. 5
, however, there still remain shortcomings therein. There will be a complete illustration in the detailed description of the preferred embodiments, concerning the conventional adjusting device.
The present invention has arisen to mitigate and/or obviate the disadvantage of the conventional device.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a slat angle adjusting device for a Venetian blind and comprising a first casing and a second casing coupled with each other.
A pinion is rotatably mounted between the first and second casings. A worm is rotatably mounted between the first and second casings and meshes with the pinion. A driven gear is fixedly mounted on one end of the worm. A drive gear is rotatably mounted between the first and second casings and meshes with the driven gear. A drive axle is formed on one end of the drive gear and extends outward of the first and second casings.
A bracket includes a first end portion engaged with the first and second casings, and a second end portion having two side walls extending upwardly therefrom. A roller is fixedly mounted on the drive axle and is rotatably received between the two side walls of the bracket.
REFERENCES:
patent: 4245687 (1981-01-01), Vacchiarelli
patent: 4406319 (1983-09-01), McNiel et al.
patent: 4522245 (1985-06-01), Anderson
patent: 4541468 (1985-09-01), Anderson
patent: 4676292 (1987-06-01), Valle et al.
patent: 4850416 (1989-07-01), Evers
patent: 5396945 (1995-03-01), Meyer
Michaelson Peter L.
Michaelson & Wallace
Purol David M.
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