Gas spring curve control in an adjustable-volume gas-pressurized device
US8464850B2 · kind B2 · utility
37Cited by
89References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2006 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Aug 24, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62K2025/048
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gas spring curve control valve for a adjustable-volume gas-pressurized device is described. The valve allows for selection from among at least four spring curves and can be packaged in small spaces/devices. In an exemplary embodiment of the invention, a rotary cam having grooves and lobes that interact with spring loaded ball bearings and an external adjuster knob are used to easily change the gas spring curve “on-the-fly” and with minimal user effort.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.