Motor-driven map holder

Card – picture – or sign exhibiting – Changing exhibitor – Single reel and web

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

40592, 40593, 40643, G09F 1118

Patent

active

047947152

ABSTRACT:
A roller-type map or shade holder is provided which is operated by an electric motor. In one embodiment, a simple drive clutch arrangement decouples the motor drive shaft from the map roller when the map is fully unwound or rewound.

REFERENCES:
patent: 326013 (1885-09-01), Brownlee
patent: 430902 (1890-06-01), Turner
patent: 1102921 (1914-07-01), Hodges
patent: 2729908 (1956-01-01), Miller
patent: 3003270 (1961-10-01), Palm
patent: 3293785 (1966-12-01), Krei
patent: 4525946 (1985-07-01), Olson

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Motor-driven map holder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Motor-driven map holder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor-driven map holder will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2161769

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.