Pavement grinder and trench opening mill and method

Details Pavement grinder and trench opening mill and method Pavement grinder and trench opening mill and method

1993-06-01

1995-02-14

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

37403, 37903, F01C 2312, F02F 378

Patent

active

053888936

ABSTRACT:
A pavement trench mill is designed to be attached to the bucket of a front loader or backhoe. The pavement trench mill has a self contained engine to power the mandrel and is raised and lowered by the bucket on which it is mounted. The trench mill has a gauge that controls the depth of the cut. The cutting drum has a double cutting action which is provided by two sets of edge mounted teeth. The first set of edge mounted teeth are at the same radius and angle as the remainder of the mandrel cutting teeth. The second set of edge mounted teeth are spaced slightly wider (longitudinally) and slightly lower (closer to center of mandrel). This row of teeth trims the outer edge of the trench with greater frequency and leaves the edge smoother.

REFERENCES:
patent: 3606469 (1971-09-01), Hughes
patent: 3864793 (1975-02-01), Guest
patent: 4411081 (1983-10-01), King
patent: 4704045 (1987-11-01), Taylor et al.
patent: 4803789 (1989-02-01), Hackmack
patent: 5060732 (1991-10-01), Baskett

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