Doorway exerciser
AssigneeLisco, Inc.
InventorPaul K. Meeker
Life of this patent
Estimating the term…
Abstract
A doorway exerciser comprising a scissor-type spring-biased clamp for securing the exerciser above the upper doorframe and a strap adjustable in length removably secured to the clamp and extending downwardly. The strap passes downwardly into a tube having a compression spring therein, through a slotted plate at the bottom of the spring, and returns upwardly and is secured to itself. The tube is preferably of plastic and has opposed ears extending therefrom with a slotted orifice in each ear. A loop at one end of each of two flexible straps passes through each orifice. The other ends of the straps are removably secured to the ends of slats which support a fabric seat.
Claims4
A doorway exerciser comprising
- clamping means adapted to fit above a doorway framework;
- strap means secured to said clamping means at one end thereof;
- a substantially rigid tube having a reduced opening at one end thereof;
- a compression spring within said tube, said spring having an outer diameter greater than the diameter of said reduced opening at said one end of said tube;
- a slotted plate abutting the end of said spring opposite said reduced opening;
- the other end of said strap means passing into said reduced opening of said tubing, through said spring and said slots in said slotted plate and secured to itself;
- a seal;
- opposed ears integral with and extending outwardly from said tube;
- slotted orifices in each of said ears;
- and
- flexible straps secured to said seat and terminating at their distal ends in loops which are removably retained in said slotted orifices, whereby downward pressure on said seat causes compression of said spring and pressure on said clamping means.
Dependencies are inferred from the claim text.