Christopher B Carpenter

US Patent:

6735890, May 18, 2004

Filed:

Jul 6, 2001

Appl. No.:

09/899535

Inventors:

Christopher M. Carpenter - Tualatin OR
Robert S. Fleck - Aurora OR
Terry L. Briscoe - Portland OR
Daniel R. Danks - Portland OR
Venkat R. Gaurav - Aloha OR
Larren F. Jones - Portland OR

Assignee:

ESCO Corporation - Portland OR

International Classification:

E02F 928

US Classification:

37456, 403319, 403355, 172751, 172753, 172713

Abstract:

A wear assembly includes an adapter with a nose, a wear member with a socket to receive the nose, and a lock to secure the wear member to the adapter. The nose and socket include complementary rails and grooves that vertically diverge as they extend from the front of the nose. The lock can have a tapered construction.

US Patent:

6993861, Feb 7, 2006

Filed:

Jul 2, 2002

Appl. No.:

10/187446

Inventors:

Christopher M. Carpenter - Tualatin OR, US
David M. Graf - Scappoose OR, US

Assignee:

Esco Corporation - Portland OR

International Classification:

E02F 9/28

US Classification:

37456, 172753, 172772, 4033224, 4033741

Abstract:

A wear assembly provided with a tapered opening and a complementary tapered lock wherein the lock can be pried into and from the opening to thereby eliminate the need for hammering. The lock is formed with a body and a latch that is movable between a hold position where the latch is engageable with a stop in the opening to releasably retain the lock in the opening and a release position where the latch disengages the stop.

US Patent:

7100315, Sep 5, 2006

Filed:

Nov 18, 2003

Appl. No.:

10/714884

Inventors:

Christopher M. Carpenter - Tualatin OR, US
Robert S. Fleck - Aurora OR, US
Terry L. Briscoe - Portland OR, US
Daniel R. Danks - Portland OR, US
Venkat R. Gaurav - Aloha OR, US
Larren F. Jones - Portland OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

E02F 9/28

US Classification:

37454, 37446

Abstract:

A wear assembly including an adapter, a wear member, and a lock to secure the wear member to the adapter, wherein the adapter and wear member include at least one rail and corresponding groove along the nose and socket connection that are oriented at the same general inclination as one of the converging walls of the nose.

US Patent:

7144183, Dec 5, 2006

Filed:

Jul 8, 2003

Appl. No.:

10/615740

Inventors:

Aaron B. Lian - Beaverton OR, US
Christopher M. Carpenter - Tualatin OR, US
Ray J. Morris - Boring OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

F16B 21/16

US Classification:

403319, 403317, 403318, 37455, 37456, 37458, 172772

Abstract:

A locking assembly has two members which are moveable into coupling engagement with one another. The two members have lock engaging walls, and one of the members has an opening between the lock engaging walls for receiving a lock. The lock comprises a lock body and a retainer. The lock body has a channel for receiving a portion of the retainer. An end of the retainer extends underneath a retainer engaging wall, thus resisting movement of the lock out of the opening.

US Patent:

7367144, May 6, 2008

Filed:

Jan 4, 2006

Appl. No.:

11/324944

Inventors:

Larren F. Jones - Portland OR, US
Christopher M. Carpenter - Tualatin OR, US
David M. Graf - Scappoose OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

A01B 15/00
A01B 15/10
A01B 23/00
A01B 31/00
E02F 9/28

US Classification:

37456, 1727725

Abstract:

A wear assembly provided with a tapered opening and a complementary tapered lock wherein the lock can be pried into and from the opening to thereby eliminate the need for hammering. The lock is formed with a body and a latch that is movable between a hold position where the latch is engageable with a stop in the opening to releaseably retain the lock in the opening and a release position where the latch disengages the stop.

US Patent:

7578081, Aug 25, 2009

Filed:

Apr 24, 2007

Appl. No.:

11/789549

Inventors:

James E Bearden - Beaverton OR, US
Severn D Durand - Portland OR, US
Michael A Severson - Aloha OR, US
Christopher M Carpenter - Tualatin OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

E02F 9/28

US Classification:

37455, 37452, 37456

Abstract:

A wear assembly for excavating equipment that includes a base, a wear part and an improved locking arrangement that provides improved stability, strength, durability, safety and ease of use. The locking arrangement includes a hammerless lock that is pivotally moved between hold and release positions, wherein the fulcrum is set forward of the bearing surface engaging the wear part. The lock can be manipulated by a threaded member or pry tool. The lock further includes bearing surfaces that enhance stability and reduce wear.

US Patent:

7730651, Jun 8, 2010

Filed:

Feb 14, 2007

Appl. No.:

11/706592

Inventors:

Christopher M. Carpenter - Tualatin OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

E02F 9/28

US Classification:

37452, 37453, 37455, 37456

Abstract:

A wear assembly for securing a wear member to excavating equipment that includes a base having a nose and a wear member having a socket. The nose and socket are each provided with one or more complementary stabilizing surfaces in central portions thereof.

US Patent:

7739814, Jun 22, 2010

Filed:

Aug 2, 2006

Appl. No.:

11/498407

Inventors:

Christopher M. Carpenter - Tualatin OR, US
Robert S. Fleck - Aurora OR, US
Terry L. Briscoe - Portland OR, US
Daniel R. Danks - Portland OR, US
Venkat R. Gaurav - Aloha OR, US
Larren F. Jones - Portland OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

E02F 9/28

US Classification:

37450, 37453, 37456

Abstract:

A wear assembly includes an adapter with a nose, a wear member with a socket to receive the nose, and a lock to secure the wear member to the adapter. The nose and socket include complementary rails and grooves that vertically diverge as they extend from the front of the nose. The lock can have a tapered construction.