Weight plate retention collar
US7513856B2 · kind B2 · utility
27Cited by
3References
8Claims
0Family size
Inventor
Key dates
| Filing date | May 14, 2007 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Aug 27, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B2/185
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A retention collar for securing weights to a barbell that includes two side plates with a pull bar and a cam lever. Two sets of pressure pins provide a frictional fit with the barbell when the collar is in its closed position, which is achieved by use of the am lever. The side plates are secured to each other by screws or rivets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.