Molding device with hand operable mold

Details Molding device with hand operable mold Molding device with hand operable mold

1988-03-31

1989-07-11

Woo, Jay H.

Static molds

In situ construction engineering type or building type-mold...

Forming building structure

249 27, 249161, 249162, 249163, 249189, 249194, 249207, 4254513, B28B 722

Patent

active

048464384

ABSTRACT:
A molding device includes at least two comonent form boards 12,13 and a wedge-shaped spacer board 14 between them. An operating mechanism is associated with the form boards and the spacer, and moves them relative to one another. The operating mechanism includes at least one rack member 18, and at least one lever 26 connected with a pawl which swings about an axis eccentric with the axis of the lever. The pawl 28 engages with the rack and moves the rack forward when the lever is operated.

REFERENCES:
patent: 899517 (1908-09-01), Edwards
patent: 1041731 (1912-10-01), Bragstad
patent: 1118540 (1914-11-01), Ellingson
patent: 1198645 (1916-09-01), Loxterman
patent: 3844526 (1974-10-01), McCracken
patent: 3934808 (1976-01-01), Aizawa
patent: 3999736 (1976-12-01), Theodorsen
patent: 4252291 (1981-02-01), Armas
patent: 4614326 (1986-09-01), Strickland et al.
patent: 4667923 (1987-05-01), Lee
patent: 4679762 (1987-07-01), Lee

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