Traction apparatus and rope take-up mechanism of traction apparatus
US8821428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2007 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Dec 16, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F5/01
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A traction apparatus which impresses a desired traction force to a body to be pulled is provided. The traction apparatus includes: a traction mechanism that includes a harness coupled to the body to be pulled, a rope having one end attached to the harness, and a take-up drum attaching to an other end of the rope and impressing the traction force on the body to be pulled by taking up the rope; a first pulley that engages at a predetermined wrapping angle the rope to which the traction force is impressed by being taken up by the take-up drum, a rope load being impressed to the first pulley from the rope; a coupling plate that rotatably holds the first pulley, the rope load being impressed to the coupling plate from the first pulley; a load sensor plate that holds the coupling plate at one end portion thereof, the rope load being impressed to the load sensor from the coupling plate; an outer frame that fixes an other end portion of the load sensor plate; and a load cell adhered to a surface of the load sensor plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.