Educational quiz and answer toy
US4012849A · kind A · utility
Inventors
Key dates
| Filing date | Sep 18, 1975 |
| Grant date | Mar 22, 1977 |
| Priority date | — |
| Expiry date | Sep 18, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F9/18
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An educational toy comprising an elongated base portion, a cylinder extending longitudinally of the base portion having a plurality of protrusions around its outer periphery extending outwardly in different radial directions, a shaft retained inside said cylinder having a front end and a rear end extending from said cylinder and means permitting it to slide with respect to said cylinder and to rotate together therewith, at least one upwardly extending setting guide member on said cylinder, a first series and a second series of a plurality of push rods longitudinally spaced along said base portion having transverse lever arms extending over the said protrusions on said cylinder, each rod being surrounded by a compressible spring at a section between its lever arm and the bottom of the base portion, a changeable quiz and answer combination card having at least one setting hole for engagement with said at least one guide member for setting the card in place on the said base portion and said cylinder in a position such that said protrusions are in a predetermined arrangement related to said lever arms and card, said card having a plurality of questions associated with said first series…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.