Movable slab form unit

Details Movable slab form unit Movable slab form unit

1995-01-12

1997-04-01

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With transportation device for relocating molding apparatus...

249 18, 249156, 249171, 249192, 425186, E04G 1138, E04G 1148

Patent

active

056163495

ABSTRACT:
A movable slab form unit is provided and has a movable base plate, a slab form, an elevation motion device that connects the slab form to the base plate while maintaining the freedom of being raised and lowered, and a stabilizer device for stabilizing the elevation motion device into a predetermined state. The elevation motion device includes a first link which is pivotably coupled at its lower ends to the base plate, a second link which is coupled at its lower ends to the base plate so as to move along the base plate and a coupling pin for pivotably coupling the first link and second link together. The stabilizer means includes a support rod of which the length can be adjusted, and is pivotably coupled at its one end to the second link and is detachably engaged at its other end with an engaging portion provided on the base plate.

REFERENCES:
patent: 537781 (1895-04-01), Toye
patent: 1596868 (1926-08-01), Brynoldt
patent: 2671697 (1954-09-01), North
patent: 3320646 (1967-05-01), Wilkins
patent: 3744945 (1973-07-01), Metrailer
patent: 3827840 (1974-08-01), Kistler
patent: 3847521 (1974-11-01), Stickler, Jr.
patent: 3940105 (1976-02-01), Metrailer
patent: 4078759 (1978-03-01), Lanier

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