The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2009
Filed:
Nov. 07, 2005
John Tout, Worcester, GB;
John Tout, Worcester, GB;
Joy MM Delaware, Inc., Wilmington, DE (US);
Abstract
A longwall conveyor drive including a motor including a motor output shaft, a drive sprocket, and a gearbox drivingly connected to the drive sprocket. The drive also includes a fluid coupling drivingly connected to the gearbox, and a step-up gearbox located between the motor and the fluid coupling. The step-up gearbox includes a housing attached to the output end of the motor, a first gear stage rotatably supported within the housing and drivingly receiving the motor output shaft and rotating at a first speed, and a second stage gear set rotatably supported within the housing and in driven contact with the first stage gear set and rotating at a higher speed, the second stage gear set including an output shaft connected to the fluid coupling.