Roll-type learning aid apparatus for reading and memorizing

Details Roll-type learning aid apparatus for reading and memorizing Roll-type learning aid apparatus for reading and memorizing

1985-06-11

1986-04-22

Grieb, William H.

Education and demonstration

Language

Spelling, phonics, word recognition, or sentence formation

40522, G09B 1700, G09F 1118

Patent

active

045839514

ABSTRACT:
A roll-type apparatus as a learning aid for reading and memorizing, the apparatus including a case provided with a display window therein, a word-listed paper ribbon wound about a pair of roll-shafts, forward and backward knobs interlocked with the roll-shafts by pinions, and guide rods for maintaining the ribbon under tension and in alignment with the display window during travel between the roll-shafts.

REFERENCES:
patent: 621017 (1899-03-01), Bellet
patent: 838840 (1906-12-01), Campman
patent: 1165219 (1915-12-01), Ancona et al.
patent: 1706550 (1929-03-01), Stader
patent: 2517055 (1950-08-01), Thompson
patent: 3302309 (1967-02-01), Macomber
patent: 4445864 (1984-05-01), Price

Affiliated with

Also associated with

Rating

Roll-type learning aid apparatus for reading and memorizing does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Roll-type learning aid apparatus for reading and memorizing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roll-type learning aid apparatus for reading and memorizing will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1913258