Self-pumping spring preload system
US12409697B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 8, 2023 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | May 8, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/19
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A spring preload system comprising a cylinder with an outer diameter, a body to house at least the cylinder, a piston shaft, and a main damping piston. The main damping piston is coupled to the piston shaft and configured for operation within the cylinder. The main damping piston is further configured to divide the cylinder into a compression side and a rebound side. The spring preload system further comprises a preload cylinder and a valve that is fluidly disposed between the compression side and the preload cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.