Carolyn E Shapiro

US Patent:

7526886, May 5, 2009

Filed:

Oct 23, 2007

Appl. No.:

11/877033

Inventors:

Robert McClanahan - Milwaukie OR, US
Phil Metschan - Vancouver WA, US
Carolyn Shapiro - Portland OR, US

Assignee:

Esco Corporation - Portland OR

International Classification:

E02F 9/28

US Classification:

37457, 37450, 37455, 37456

Abstract:

A wear assembly for protecting the digging edge of a bucket which includes a wear member having a lock-receiving hole in one leg and an upstanding rib along the other leg. The rib extends axially along the leg to be received into a slot in a base fixed to the lip of the bucket. The rib has a rear end that engages the base to hold the rear end of the rib between the base and the lip. The wear member further includes an interior surface that has a front portion formed with a curve to wrap around the digging edge and a plurality of stabilizing surfaces. The lock has a latch and a threaded wedge received into the passage to move the latch to its holding position to maintain the lock in the assembly during use.

US Patent:

8469622, Jun 25, 2013

Filed:

Nov 18, 2008

Appl. No.:

12/273416

Inventors:

Robert McClanahan - Milwaukie OR, US
Carolyn Shapiro - Portland OR, US
Robin K Churchill - Aloha OR, US

Assignee:

ESCO Corporation - Portland OR

International Classification:

F16C 11/00

US Classification:

403154, 403151, 37399

Abstract:

Improved connection systems for pinned connections are disclosed. Although the connection systems may be utilized in dragline excavating systems, the connection systems may also be utilized for pinned connections in a variety of other types of mining, dredging, forestry, and construction equipment. An insert utilized in the connections systems has a frustroconical shape that joins with an aperture in an element being joined by the connection system.

US Patent:

20130280012, Oct 24, 2013

Filed:

Jun 20, 2013

Appl. No.:

13/922524

Inventors:

Carolyn Shapiro - Portland OR, US
Robin K. Churchill - Aloha OR, US

International Classification:

F16B 19/00

US Classification:

411378

Abstract:

Improved connection systems for pinned connections are disclosed. Although the connection systems may be utilized in dragline excavating systems, the connection systems may also be utilized for pinned connections in a variety of other types of mining, dredging, forestry, and construction equipment. An insert utilized in the connections systems has a frustroconical shape that joins with an aperture in an element being joined by the connection system.