Fluid pressure actuated brake unit
US3995537A · kind A · utility
5Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Mar 19, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18992
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid pressure brake unit with a fluid piston actuated wedge that moves a brake push rod in a direction perpendicular to the piston stroke has provided therein a forked wedge astraddle the push rod that engages on opposed wedge surfaces respectively two rollers placed on opposite sides of the push rod and two rollers affixed to the brake unit housing. For hand brake use, a rotatable member has a cam head engaging the push rod assembly to move it independently of the wedge action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.