Helical monorail ramp for a pinball game

Details Helical monorail ramp for a pinball game Helical monorail ramp for a pinball game

1993-10-12

1994-10-25

Millin, Vincent

Amusement devices: games

Surface projectile game; game element

Ball games

273127R, 273121R, 446168, A63F 730

Patent

active

053582411

ABSTRACT:
The ramp consists of a wire rail formed as a helix. The rail extends between a first elevation where the ball enters the ramp to a second, lower elevation where the ball exits the ramp. A straight rail extends through the center of the helical rail for the length thereof. The helical rail is dimensioned such that the distance between it and straight rail is less than the diameter of the ball. As a result, the ball will contact both the straight rail and helical rail simultaneously as it rolls down the helical rail by the force of gravity.

REFERENCES:
patent: 407713 (1889-07-01), Wilson
patent: 432483 (1890-07-01), Fitler
patent: 1252158 (1918-01-01), Okel
patent: 3028704 (1962-04-01), Rumbaugh
patent: 3135512 (1964-06-01), Taylor
patent: 4120501 (1978-10-01), Atherton
patent: 4175665 (1979-11-01), Dogliotti

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