Excavating, sieving and grading device for working crawler

Details Excavating, sieving and grading device for working crawler Excavating, sieving and grading device for working crawler

1995-06-06

1996-12-10

Melius, Terry Lee

Excavating

Scoop or excavating and transporting container

Scoop or bucket structure, per se

37445, 37901, 37904, 414722, 209421, E02F 340

Patent

active

055819168

ABSTRACT:
Disclosed is an excavating, sieving and grading device for a working crawler arranged such that each pair of first and second right and left legs 14, 14a and 17, 17a are vertically disposed to a bucket main body 7, the first right and left legs are connected to each other by a first reinforcing member 15, the second right and left legs are connected to each other by a second reinforcing member 18, and first and second guide rollers 16, 19 for supporting and guiding a first guide rail 21 disposed on the bottom surface of a movable frame 12 are provided on the first and second reinforcing members. With this arrangement, the movable frame provided with the sieve net is stably supported and guided to the bucket main body to thereby increase the strength of the excavating, sieving and grading device.

REFERENCES:
patent: 1114097 (1914-10-01), Bell
patent: 3395798 (1968-08-01), Erickson
patent: 3461968 (1969-08-01), Longley
patent: 3640386 (1972-02-01), Frangos
patent: 4188288 (1980-02-01), Wehner
patent: 4664791 (1987-05-01), McClain et al.
patent: 5100539 (1992-03-01), Tsutsumi
patent: 5160034 (1992-11-01), Potter
patent: 5222828 (1993-06-01), Magalski
patent: 5360288 (1994-11-01), O'Neill et al.
PCT International Publication No. WO 94/24376, Date: Oct. 27, 1994.

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