IP Library Granted Patent US 6,890,037
Granted Patent B2
US 6,890,037 · App. 10/371,866 · Granted May 10, 2005

Cutting drum web deflector

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Quick Facts
Patent No.
US 6,890,037
App. No.
10/371,866
Granted
May 10, 2005
Kind
B2
Abstract

A cutting device including a cutting drum, a motor housing, a structural web extending between the motor housing and the cutting drum, and a structural member attached to the cutting drum adjacent the web. The structural member has a structural surface including an edge adjacent the web and an edge away from the web. The surface has an edge away from the web, the surface being inclined away from the web by having the edge adjacent the web forward in the cutting direction of the edge away from the web. In the preferred embodiment, the structural member is a bit mechanism including a bit, and the structural member houses the bit.

Claims (11)

1. A cutting device including

a cutting drum that rotates in a cutting direction and that does not include a ripper chain,

a motor housing,

a structural power transmission web extending between said motor housing and said cutting drum, and

a structural member attached to said cutting drum adjacent said web, said structural member having

a structural surface including

an edge most adjacent said web and

an edge away from said web, said surface being inclined away from said web by having said edge most adjacent said web forward in the cutting direction of said edge away from said web.

2. A cutting drum in accordance with claim 1 wherein said structural member is a bit mechanism including

a bit, and

wherein said structural member houses said bit.

Assignments (3)
MERGER Recorded Oct 31, 2018
From: JOY MM DELAWARE, INC.
To: JOY GLOBAL UNDERGROUND MINING LLC
Reel/Frame 047371/0840 →
GRANT OF PATENT SECURITY INTEREST (PURSUANT TO THE AMENDED AND RESTATED SECURTY AGREEMENT) Recorded Apr 21, 2004
From: JOY GLOBAL INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS AGENT
Reel/Frame 014515/0615 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 30, 2003
From: STEWART, CHRISTOPHER G.
To: JOY MM DELAWARE, INC.
Reel/Frame 013617/0491 →