Resilient retaining coil for excavator tooth

Details Resilient retaining coil for excavator tooth Resilient retaining coil for excavator tooth

1985-11-20

1988-06-21

Johnson, Richard J.

Excavating

Ditch filler

172713, F02F 928

Patent

active

047517859

ABSTRACT:
The present invention relates to a method of attaching a wear part to an earth-working tool and a thereto adapted wear part. Characteristic of the invention is that the parts are joined together by means of a press fit which in turn is blocked by means of pretensioned resilient locking means which when fitted in place continually act upon the parts in the direction of interconnection. The invention provides a play-free and reliable interconnection for the tool and wear part, which is also very easy to remove.

REFERENCES:
patent: 2259456 (1941-10-01), Crawford
patent: 2339128 (1944-01-01), Younie
patent: 2904909 (1959-09-01), Ratkowski
patent: 3623247 (1971-11-01), Stepe
patent: 3832077 (1974-08-01), Mehren
patent: 3879867 (1975-04-01), Ericson
patent: 4414764 (1983-11-01), Johansson
patent: 4625439 (1986-12-01), Johansson

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