Modular projector lift
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 13, 2000
Grant Date -
N/A
app pub date -
Jun 11, 1996
filing date -
Jun 11, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A modular projector lift system for moving a projection device along a path between an extended position and a retracted position. The modular projector lift system includes a drive assembly expandable along a first axis. At least one movable support is mechanically engagable with the drive assembly at a plurality of positions along the first axis. The movable support moves the projection device between the extended position and the retracted position. A brake mechanism is optionally included for retaining the projection device at a particular location. The brake mechanism includes a plurality of rotating brake plates connected to the drive shaft of the drive assembly and a plurality of static brake plates connected to the drive assembly compressively engaged with the rotating brake plates. Adjustable limit switches are optionally provided for adjusting a location of the retracted and the extended positions along the path.
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