Foldable mini-trampoline

Details Foldable mini-trampoline Foldable mini-trampoline

1997-06-17

2000-08-29

Donnelly, Jerome

Exercise devices

Gymnastic

Projector

482 28, A63B 518

Patent

active

061100749

ABSTRACT:
The invention is a mini trampoline on which the frame is made in several parts in order to be easily carried and assembled. The mat is linked to the frame by means of springs and grommets. U shaped covers maintain the frame on one plane level. The tension of the springs is obtained by increasing the size of the frame.

REFERENCES:
patent: 2533520 (1950-12-01), Shimp
patent: 4139192 (1979-02-01), McNeil
patent: 4381861 (1983-05-01), Howel, Jr. et al.
patent: 4452444 (1984-06-01), Schulze, Jr.
patent: 5545110 (1996-08-01), Hsiang

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