Piston for cylinder device
US4528895A · kind A · utility
16Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 1983 |
| Grant date | Jul 16, 1985 |
| Priority date | — |
| Expiry date | Mar 24, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2025/081
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A piston for a cylinder device which is formed of fiber glass strengthened resinous material and includes a concave portion, where a plug may remain, formed on an end thereof. The piston is engageable with a push rod and in particular an end surface of the push rod. The concave portion may be formed on approximately the center portion of the end concave surface of the piston and may be of circular configuration. Correspondingly, the concave portion may be formed on a flat surface of the end surface of the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.