Portable rail cutting apparatus
US7059947B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 12, 2004 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | May 20, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D47/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A portable rail cutting apparatus is presented herein. The portable rail cutting apparatus comprises a housing encasing a motor, the motor configured to drive a rotary abrasive blade, a drive pulley coupled to the motor, a driven pulley coupled to the rotary abrasive blade, a loop drive belt engaged by the drive pulley at one end and engaging the driven pulley at another end, and an automatic belt tensioning mechanism. The automatic belt tensioning system comprises a spring and push rod assembly that applies a pre-set tension to the loop drive belt. The portable rail cutting apparatus may also comprise an adjustable protective guard member that partially surrounds the rotary abrasive blade and includes a detent mechanism configured to provide integral travel positions for the adjustable protective guard member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.