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Class Information
Number: 473/111
Name: Games using tangible projectile > Bowling > Ball handling or diverting means > Ball return > Ball lift or elevator
Description: Subject matter wherein the ball return means includes means to raise the ball up to a higher level so as, for example, to facilitate the return of the ball to the bowler by gravity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591732 |
Hydraulic drive pin setter for bowling alley with hydraulic linkage ball lift |
Sep. 22, 2009 |
| 6368228 |
Cover for the rails of a bowling ball return |
Apr. 9, 2002 |
| 6155403 |
Golf ball conveyor |
Dec. 5, 2000 |
| 5980391 |
Ball lift assembly for ball return system of a bowling alley |
Nov. 9, 1999 |
| 5868629 |
Ball lift device and method |
Feb. 9, 1999 |
| 5709608 |
Air-operated rudder assembly for a bowling pin setter |
Jan. 20, 1998 |
| 5649868 |
Horizontal ball-return mechanism |
Jul. 22, 1997 |
| 5630761 |
Bowling ball return mechanism |
May. 20, 1997 |
| 5449327 |
Bowling ball return systems and methods |
Sep. 12, 1995 |
| 5382197 |
Vertical ball-lift with pneumatic actuator |
Jan. 17, 1995 |
| 5292121 |
Pneumatic bowling ball return method and apparatus |
Mar. 8, 1994 |
| 5076582 |
Bowling ball lifting apparatus |
Dec. 31, 1991 |
| 4770417 |
Method and apparatus for controlling a bowling ball lift mechanism |
Sep. 13, 1988 |
| 4640511 |
Bowling ball return mechanism |
Feb. 3, 1987 |
| 4509752 |
Returned bowling ball lifting apparatus |
Apr. 9, 1985 |
| 4179120 |
Bowling ball kicker pressure device |
Dec. 18, 1979 |
| 4071240 |
Lifts for ball elevator |
Jan. 31, 1978 |
| 4022468 |
Tire wheel for bowling ball return |
May. 10, 1977 |
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