Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1994-02-14
1995-07-11
Grieb, William H.
Amusement devices: games
Surface projectile game; game element
Simulated game
A63B 6936
Patent
active
054314062
ABSTRACT:
Disclosed is an apparatus for fixing inclined position of stand plates and the like, in which making a stand plate and the like possible to incline in an optional angle in all directions of 360.degree. and the fixing of an inclined position is made easy and tight. A movable plate 8 is interposed and inserted in a gap 9 provided between an upper plate 4 and a lower plate 5 of a stand frame 2. The center of a stand plate 16 is supported by a spherical joint 17 in tilting movement free on a main column 14 provided in standing state on the stand frame 2. A plurality of spiral shafts 19 hanged down from the back face of the stand plate 16 in conical rotation free are thrust into the stand plate 2 and penetrated through rubber bushes 13 fitted to the movable plate 8. A moving and fixing mechanism 22 for the movable plate 8 is provided at one side of the stand frame 2, with which one end of the movable plate 8 is engaged. The stand plate 16 is placed in an optional inclined angle in a desired direction, thereafter the moving and fixing mechanism 22 is used to move the movable plate 8 in a direction perpendicular to the spiral shafts 19, the rubber bushes 13 are pushed and pressed against the spiral shafts 19, and the above-mentioned stand plate 16 is fixed at the inclined position by having the same shafts 19 cut and engaged into the rubber bushes 13.
REFERENCES:
patent: 3633918 (1972-01-01), Smiley
patent: 4875684 (1989-10-01), Benilan
patent: 5133557 (1992-07-01), Sugimoto
patent: 5263863 (1993-11-01), Stefani et al.
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