Sandra J Graves

US Patent:

20040111897, Jun 17, 2004

Filed:

Dec 12, 2002

Appl. No.:

10/318538

Inventors:

Sandra Graves - Lake Oswego OR, US
R. Poff - Milwaukie OR, US
Kent Huntington - Molalla OR, US

International Classification:

B27B017/02
B23D057/02

US Classification:

030/387000, 030/383000

Abstract:

A lightweight guide bar formed from a heavy material, e.g., steel, and having a center section, e.g., a cavity of reduced material and fitted with a lighter weight insert, e.g., aluminum plate. The center section includes a flange to which the aluminum plate is adhered and a spacer lip defines the desired thickness of the adhesive. Adhesive is applied to the desired thickness under the lip and the aluminum plate is abutted against the lip and into contact with the adhesive for adhering of the plate to the flange. In a preferred embodiment, the flange is a continuous web down the center of the center section and insert plates are adhered to each side of the web. Also, preferably the inserts are oval and symmetrical and are selectively mechanically secured to the flanges by rivets.

US Patent:

20050020395, Jan 27, 2005

Filed:

Jul 23, 2003

Appl. No.:

10/626250

Inventors:

Sandra Graves - Lake Oswego OR, US

International Classification:

F16H055/30
F16H007/06
F16H055/12

US Classification:

474158000, 474152000, 474157000

Abstract:

An apparatus is provided for guide bars used in cutting operations, and more particularly to prolonging the life of the nose sprocket and/or reducing the tendency of guide bar separation in the nose sprocket region, by reconfiguring the nose sprocket outer race and/or the cutting chain drive tangs.

US Patent:

20070089303, Apr 26, 2007

Filed:

Oct 2, 2006

Appl. No.:

11/538044

Inventors:

Sandra Graves - Lake Oswego OR, US

Assignee:

Blount, Inc. - Portland OR

International Classification:

B27B 17/04

US Classification:

030384000

Abstract:

An apparatus is provided for guide bars used in cutting operations, and more particularly to prolonging the life of the nose sprocket and/or reducing the tendency of guide bar separation in the nose sprocket region, by reconfiguring the nose sprocket outer race and/or the cutting chain drive tang.