Dipper tip retaining pin

Excavating – Ditch filler

Patent

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Details

403379, E02F 928

Patent

active

044466382

ABSTRACT:
An adapter-tip retainer pin has a wedge member and a lock member joined by a first pair of walls on a resilient member. The resilient member includes a central cavity and a second pair of walls which are curved inwardly toward the cavity such that the second pair of walls collapse inwardly when the retainer pin is compressed during insertion or removal from an adapter-tip assembly.

REFERENCES:
patent: 3685178 (1972-08-01), Ratkowski
patent: 3727547 (1973-04-01), Wilde
patent: 4192089 (1980-03-01), Schwappach

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