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:
Jun. 08, 2004
Filed:
May. 15, 2002
Chuong H. Nguyen, Simpsonville, SC (US);
Reliance Electric Technologies, LLC, Mayfield Heights, OH (US);
Abstract
A method for manufacturing worm shafts for a gearbox. The method comprises using a common worm shaft blank to produce worm gears for all of the gear ratios of a family of gearboxes. The common worm shaft blank has a defined outer diameter. The method may comprise establishing an axial pitch to enable the worm shaft to be adapted with a thread to produce a desired gearbox ratio using the common worm shaft blank. The method may comprise adapting the common worm shaft blank to produce the worm shaft thread for the desired gear ratio. The system comprises a family of gearboxes having a plurality of gear ratios. The worm shafts for each of the gearboxes is adapted from a worm shaft produced from a common worm shaft blank. The worm shafts may all have the same outer diameter at the thread.