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#Math puzzle with movable disks pdf#

3 the slide may then be inserted from the closed end until the pawl clicks into the slot. With the slide 11 removed from the frame 10, the'discs are easily positioned to the starting position, FIG. The direction of the pawl is such that the closure at the ends of the slot will pass over it from right to left, i.e., from the priorly closed end 19 of the frame to the open end, but not in the opposite direction. A spring-loaded pawl is inset in the base 13 adjacent the sector 35 and midway between the top and bottom rails 14 and 15 the pawl is positioned accordingly to be in line with the slot in the bottom of the slide 11. However a longitudinal slot with both ends closed is cut in the bottom of the slide 11. In this embodiment the end closure 19 is removed and the frame 10 is thus open at both ends.

Accordingly, if desired, an alternative construction in another embodiment may provide a means for quickly inserting the slide and restoring the puzzle to the initial state. Thus in the embodiment depicted it can be noted, by reference to table I, that one must go through a substantial number of manipulations of the discs to insert the slide 11 into the frame and have it assume the starting position depicted in FIG. Numerous other arrangements may be devised by those skilled in the art without departing from the spirit and scope of my invention. It is to be understood that the above-described arrangements are merely illustrative of the application of the principles of my invention.

A63F9/0819- Two-dimensional puzzles with slideable or rotatable elements or groups of elements, the main configuration remaining unchanged with rotatable non-concentric discs, e.g.

A63F9/0803- Two-dimensional puzzles with slideable or rotatable elements or groups of elements, the main configuration remaining unchanged.

A63F9/08- Puzzles provided with elements movable in relation, i.e.

A63F9/06- Patience Other games for self-amusement.

A63F9/00- Games not otherwise provided for.

A63F- CARD, BOARD, OR ROULETTE GAMES INDOOR GAMES USING SMALL MOVING PLAYING BODIES VIDEO GAMES GAMES NOT OTHERWISE PROVIDED FOR.

238000004519 manufacturing process Methods 0.000 description 1.

230000021037 unidirectional conjugation Effects 0.000 claims description 2.

230000023298 conjugation with cellular fusion Effects 0.000 claims description 2.

Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by William Keister filed Critical William Keister Priority to US10055970A priority Critical Application granted granted Critical Publication of US3637215A publication Critical patent/US3637215A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US100559A Inventor William Keister Original Assignee William Keister Priority date (The priority date is an assumption and is not a legal conclusion.

#Math puzzle with movable disks pdf#

Google Patents US3637215A - Locking disc puzzleĭownload PDF Info Publication number US3637215A US3637215A US100559A US3637215DA US3637215A US 3637215 A US3637215 A US 3637215A US 100559 A US100559 A US 100559A US 3637215D A US3637215D A US 3637215DA US 3637215 A US3637215 A US 3637215A Authority US United States Prior art keywords disc discs slide adjacent puzzle Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.