Bowling ramp

Details Bowling ramp Bowling ramp

1993-11-23

1994-10-25

Grieb, William H.

Games using tangible projectile

Bowling

Practice or assist device

A63D 500

Patent

active

053584473

ABSTRACT:
A new and improved bowling ramp useful for acceleration and directional control of a bowling ball by handicapped, disabled, weak and infirm persons of all ages includes a sloping guide track having a lower end adapted to rest on a bowling alley surface and an upper end having a horizontal segment adapted to support a bowling ball at rest. Portable legs are pivotally interconnected at their upper ends to support the upper end of the guide track and a lower end of each leg is adapted to engage the bowling surface in non-slipping engagement to provide lateral stability. The sloping guide track includes a frictional web surface on the downwardly sloping rails of the guide track for causing the bowling ball to spin and provide gyroscopic stability for the bowling ball as it is discharged down the ramp.

REFERENCES:
patent: 3083967 (1963-04-01), Steel
patent: 3159401 (1964-12-01), Ikenberry
patent: 3481601 (1969-12-01), Santora
patent: 3539183 (1970-11-01), Lieb
patent: 3578322 (1971-05-01), Kerr
patent: 4097045 (1977-04-01), Bechtel
patent: 4441710 (1982-05-01), Lay

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