Exercise machine
US4151839A · kind A · utility
11Cited by
8References
9Claims
0Family size
Inventor
Key dates
| Filing date | Feb 25, 1977 |
| Grant date | May 1, 1979 |
| Priority date | — |
| Expiry date | Feb 25, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B69/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An exercise machine especially for the legs and lower trunk of the human body includes a pair of foot supports mounted on a plate. Means connected to the plate oscillates the plate up and down in simple harmonic motion, and a pair of handles are provided above the plate at about hip level for gripping to steady a person exercising on the machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.