Adjustable dumbbell system
US7604578B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 12, 2008 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Aug 12, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B21/00065
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A handle has opposed ends and a central extent. A grip rotationally receives the central extent of the handle. An adjustment wheel is secured to each end of the handle. A side cover is fixedly secured to each end of the grip. A dowel disk is on the handle adjacent to one side cover with fingers and spaces. A plurality of cam bits are supported on the handle. A safety lock is within the side cover adjacent to the dowel disk. The safety lock has a first end extent and a second end extent with a radial recess and a central extent with an axial projection. A coil spring within the radial recess urges the safety lock radially outwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.