Puzzle bolt

Details Puzzle bolt Puzzle bolt

1991-09-25

1992-09-15

Millin, V.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

273153R, 411 5, 411383, 411397, A63F 908, F16B 2300

Patent

active

051470934

ABSTRACT:
A puzzle is disclosed which includes an elongated left-hand threaded bolt carrying a split lock washer and having a nut at one end. The other end of the bolt is partially threaded into a second nut which has a short length of another bolt threaded at its end. The object of the puzzle is to figure out how to remove the lock washer from the bolt.

REFERENCES:
patent: 514570 (1984-02-01), Stancliff
patent: 865207 (1907-09-01), Reed
patent: 956441 (1910-04-01), Smith
patent: 1111337 (1914-09-01), Watkins
patent: 3813099 (1974-05-01), Scott
patent: 4840529 (1989-06-01), Phillips
Slocum, Jerry, "Puzzles", 1986, p. 58.
Playthings, "Lakeside Puzzle Challenge", Mar. 1971, p. 241.

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