Cartridge retaining means for earthworking tips

Details Cartridge retaining means for earthworking tips Cartridge retaining means for earthworking tips

1974-10-31

1978-06-27

Burr, Edgar S.

Excavating

Ditch filler

85 88, 85 50R, 151 7, 403318, E02F 928

Patent

active

040966534

ABSTRACT:
An earthworking device comprises a support member having a work tool, such as an earthworking tip, detachably mounted on a forward end thereof. A pin is disposed in aligned bores formed through the support member and the work tool and an annular replaceable cartridge circumvents the pin to retain it in position. The cartridge comprises a housing having an annular elastomeric member secured therein and circumventing the pin in frictional engagement therewith.

REFERENCES:
patent: 2339549 (1944-01-01), Kubaugh
patent: 2477430 (1949-07-01), Swanstrom
patent: 2723699 (1955-11-01), Coates
patent: 2761347 (1956-09-01), McKee, Jr.
patent: 3191323 (1965-06-01), Compagnoni
patent: 3216475 (1965-11-01), Jacobsen
patent: 3358569 (1967-12-01), Averette
patent: 3585741 (1971-06-01), Heusler
patent: 3601203 (1971-08-01), Holmstrom
patent: 3670618 (1972-06-01), Jellison
patent: 3851413 (1974-12-01), Lukavich

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