Elliptical exerciser with adjustable guiding rails

Details Elliptical exerciser with adjustable guiding rails Elliptical exerciser with adjustable guiding rails

2008-07-22

2008-07-22

Crow, Steve R (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S071000, C482S051000

Reexamination Certificate

active

10963506

ABSTRACT:
An elliptical exerciser includes two side tubes on two sides of the base and two guiding rails are pivotably connected to the two side tubes respectively. Two connection rods are connected to two ends of the crank on the wheel and each connection rod has a roller which is movably engaged with one of the guiding rails. Two pedals are connected to the two connection rods. The angle between the two guiding rails can be adjusted so that the users may operate the elliptical exerciser in a skiing or twisting way.

REFERENCES:
patent: 3475021 (1969-10-01), Ruegsegger
patent: 3708163 (1973-01-01), Hynes
patent: 4396189 (1983-08-01), Jenkins
patent: 4781372 (1988-11-01), McCormack
patent: 4909503 (1990-03-01), Olson
patent: 5336141 (1994-08-01), Vittone
patent: 5391130 (1995-02-01), Green et al.
patent: 5967944 (1999-10-01), Vittone et al.
patent: 6231484 (2001-05-01), Gordon
patent: 6234935 (2001-05-01), Chu
patent: 6277055 (2001-08-01), Birrell et al.
patent: 7033306 (2006-04-01), Graber

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