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(11)    Patent No :    AP 2012   
(21)    Application No :    AP/P/2005/003422   
(22)    Filing Date :    14.04.2004   
(24)    Date of Grant &    22.07.2009   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    10/425,605    30.04.2003

(84)    Designated State

GH   T Z   ZM
 
(73) Applicant(s)

ESCO CORPORATION, 2141 N.W. 25th Avenue, Portland,

OR 97210,
United States of America


(72) Inventors

JONES Larren F, United States of America

(74) Representative

HONEY & BLANCKENBERG
 
(51)  International  Classification   E02F 3/815 (2006.01)    E02F 9/28 (2006.01)

(54)    Title

Wear assembly for excavator digging edge

(57)    Abstract

A wear assembly that includes a wear member and a boss (20) to define an opening for receiving a lock (56) forward of the front edge face of the lip (12) which can mount the wear member in a stable and balanced manner without a through-hole in die lip (12). The wear member includes an aperture and a rib to define bearing faces on opposite sides of a central plane of the lip (12). The boss (12) includes rails to hold the wear member in place, and a brace at the rear end, which supports the rails on the boss, (20) abuts the rear of the wear member to reduce the loading on the lip (12), and deflects earthen material away from the wear member under reverse loading.

(56)    Documents Cited :    US 6 047 487 A    US 4 716 667 A    WO 02 12642 A

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