Concrete screed

Details Concrete screed Concrete screed

1995-09-21

1997-03-11

Lisehora, James A.

Road structure, process, or apparatus

Apparatus

Screed or drag

404 97, 404119, 152354, E01C 1944

Patent

active

056094370

ABSTRACT:
A concrete screed which includes an elongated rail and a detachable shoe with a screeding surface. The shoe reversibly snap fits or slides onto the rail, and may be replaced when the screeding surface becomes worn. The rail includes hand grips for hand operation, and a hole in which a handle, pole, or hook may be inserted for pulling or pushing the screed. Screed rail supports may be attached to the elongated rail to allow the screed to be pulled over screed rails while screeding.

REFERENCES:
patent: 1227308 (1917-05-01), Plank
patent: 1586325 (1926-05-01), Older
patent: 1887195 (1932-11-01), Joy
patent: 1929666 (1933-10-01), Tullis
patent: 2306671 (1942-12-01), Tamblyn
patent: 2952028 (1960-09-01), Robbins
patent: 4449845 (1984-05-01), Carrillo
patent: 4641995 (1987-02-01), Owens
patent: 4702641 (1987-10-01), Naser et al.
patent: 5324085 (1994-06-01), Hintz, Jr.
patent: 5393168 (1995-02-01), Jarvis
patent: 5467496 (1995-11-01), Jarvis

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