Shuttle system for machine tool

Details Shuttle system for machine tool Shuttle system for machine tool

1977-10-21

1979-01-09

Saifer, Robert W.

Conveyors: power-driven

With means to facilitate working, treating, or inspecting...

29 33P, 29563, 51216ND, 51240R, 214 1BB, 269 56, 269 71, B65G 4700

Patent

active

041334230

ABSTRACT:
A pair of substantially identical shuttle tables are mounted on the bed of a vertical spindle machine tool on opposite sides of the worktable thereof. A first pallet is mounted on the worktable and a second pallet is mounted on one of the shuttle tables. Both pallets have a tunnel therein that extends all the way through the pallet. A hydraulic ram with an elongated piston rod is mounted on each shuttle table. Each piston rod is long enough to pass completely through the tunnel in an adjacent pallet and to bear against a pallet on the worktable while the base of the piston rod bears against the adjacent pallet. When the piston rod is extended, both pallets are simultaneously pushed in the same direction so that the pallet on the worktable is shifted to the empty shuttle table while the pallet on the other shuttle table is shifted onto the worktable. When the piston rod is subsequently retracted, both pallets remain in their shifted position. When the other piston rod is extended, both pallets are simultaneously pushed back to their original positions.

REFERENCES:
patent: 2508861 (1950-05-01), Jessen
patent: 2940384 (1960-06-01), Munschauer et al.
patent: 2985926 (1961-05-01), Fellows
patent: 3825245 (1974-07-01), Osburn et al.

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