Industrial scarifier assembly

Details Industrial scarifier assembly Industrial scarifier assembly

2007-12-04

2007-12-04

Grant, Alvin J. (Department: 3723)

Stone working

Dressing

Rotary cutter

C051S295000, C451S529000

Reexamination Certificate

active

11221854

ABSTRACT:
A scarifier assembly including a generally rectangular shaped case with a hollow interior, a resilient generally rectangular pad located in the hollow interior of the case, and a removable work performing surface insert having work surfaces for grinding, cutting or abrading materials. The work performing surface insert includes a generally rectangular shaped flat mounting plate member having two oppositely located end portions with connected projecting securing means for removably securing the work performing surface insert in the case. The case also has two end portions and these end portions that have securing means for cooperating with the projecting securing means on the end portions of the mounting plate member for securing the work performing surface insert to the case. The mounting plate member has an upper surface and a lower surface with a series of elongated mounting blocks having work performing surfaces firmly secured to the upper surface.

REFERENCES:
patent: 3460633 (1969-08-01), Richey et al.
patent: 3486274 (1969-12-01), David
patent: D275617 (1984-09-01), Pichelman et al.
patent: 4486931 (1984-12-01), Pichelman et al.
patent: 4702223 (1987-10-01), Swan
patent: 5586930 (1996-12-01), Hayashi et al.

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