Lifter for bowling lane maintenance machine and method of using

Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab

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B66F 918

Patent

active

057137161

ABSTRACT:
A lifter includes a grasping device for grasping and holding a handle in the lane maintenance machine, vertically driving device for driving the grasping device in the vertical direction, horizontally driving device for driving the grasping device in the horizontal direction, and lifter moving device for moving the lifter. When the handle of the bowling lane maintenance machine is grasped by the grasping device and if the horizontally driving device, vertically driving device and lifter moving device are used step-by-step in a combination, the bowling lane maintenance machine can be safely and easily shifted from one position to the other position or vice versa.

REFERENCES:
patent: 2424429 (1947-07-01), Bamberg
patent: 2730257 (1956-01-01), Stresau, Jr.
patent: 3031091 (1962-04-01), Erickson et al.
patent: 4024959 (1977-05-01), Gruner
patent: 4132318 (1979-01-01), Wang et al.
patent: 4365921 (1982-12-01), Brouwer et al.
patent: 4690610 (1987-09-01), Fotheringham
patent: 4844679 (1989-07-01), Teranishi

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