Cutting edge assembly for earthworking devices

Details Cutting edge assembly for earthworking devices Cutting edge assembly for earthworking devices

1976-12-27

1978-08-22

Johnson, Richard J.

Earth working

Tool, standard or connection

With add-on cutting or wearing element applied directly...

172703, 172777, 37141R, E02F 928

Patent

active

041082508

ABSTRACT:
An earthworking device such as a power scraper has a cutting edge assembly which may be mounted to give either a straight or a crenellated edge. The assembly consists of several identical long, narrow, rectangular members which have chamfered longitudinal marginal portions and are mounted alternately with the chamfers facing up and facing down, and the latter chamfers overlying the former. Threaded bolts impale holes near one end of the members which have their chamfers down so as to secure those members to the top surface of the scraper blade and frictionally clamp the other members to the blade.

REFERENCES:
patent: 7340 (1850-05-01), Davis
patent: 2166800 (1939-07-01), Craig
patent: 2172785 (1939-09-01), Beach
patent: 2584868 (1952-02-01), Guess
patent: 3469331 (1969-09-01), Wood
patent: 3500562 (1970-03-01), Reinhard
patent: 3550293 (1970-12-01), Helton
patent: 3653133 (1972-04-01), Black
patent: 3750761 (1973-08-01), Smith
patent: 3798805 (1974-03-01), Hancock
patent: 3851711 (1974-12-01), Stepe

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