Display device

Details Display device Display device

1978-04-14

1979-11-27

Pitrelli, John F.

Card, picture, or sign exhibiting

Changing exhibitor

Motor operated

40476, 40503, G09F 1102

Patent

active

041753453

ABSTRACT:
A display device having a base, a first display, and a rotary drive for rotating the first display about a preselected rotation axis. Second and third displays are connected to the drive through a suitable connecting structure so as to be moved reciprocably relative to each other while being rotated about the preselected axis concurrently with the first display. The connecting structure may include a control lever which is pivotally mounted with portions at opposite sides of the pivot connected to the second and third displays, respectively, for effecting reciprocal movement thereof toward and from each other. The connecting structure may include a motion translating structure effecting operation of the reciprocating structure as the result of the rotation of the first display about the preselected rotation axis.

REFERENCES:
patent: 1711790 (1929-05-01), Johnson
patent: 3305958 (1967-02-01), Price
patent: 3594934 (1971-07-01), Burnbaum

Affiliated with

Also associated with

Rating

Display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-796669