Exercise devices – Sit up device
Patent
1997-03-04
2000-04-11
Crow, Stephen R.
Exercise devices
Sit up device
482 57, A63B 2600, A63B 2100
Patent
active
060482931
ABSTRACT:
An exercising apparatus having a frame located forwardly of a supporting surface on which a person may assume a seated position with knees in a first position elevated above the supporting surface and feet in a second position lower than the first position. A leg stabilizer is supported by the frame to maintain the knees in the first position, and a pair of crank handles are supported by the frame for rotation about a common crank axis located near the first position. The pair of crank handles are located on opposite sides of the knees of the person to be movable by hands of the person through complete revolutions. The leg stabilizer may include a knee stabilizer in the first position and a foot stabilizer in the second position to ensure that the person's legs are bent at the knees though an angle approximating 90.degree..
REFERENCES:
patent: 4402502 (1983-09-01), Peters
patent: 4508335 (1985-04-01), Kelley et al.
patent: 4564193 (1986-01-01), Stewart
patent: 4752067 (1988-06-01), Colonello
patent: 4826150 (1989-05-01), Minoura
patent: 4884804 (1989-12-01), Fenwick
patent: 4974840 (1990-12-01), Welch
patent: 5120052 (1992-06-01), Evans
patent: 5160304 (1992-11-01), Van Der Hoeven
patent: 5160305 (1992-11-01), Lin
patent: 5176603 (1993-01-01), Hundley et al.
patent: 5190513 (1993-03-01), Habing et al.
patent: 5232425 (1993-08-01), Miller et al.
patent: 5308306 (1994-05-01), Wang
patent: 5368537 (1994-11-01), Felice
patent: 5387171 (1995-02-01), Casey et al.
patent: 5468201 (1995-11-01), Minoura
patent: 5492520 (1996-02-01), Brown
patent: 5545114 (1996-08-01), Gvoich
patent: 5577987 (1996-11-01), Brown
patent: 5674168 (1997-10-01), Wilkinson
patent: 5722917 (1998-03-01), Olschansky et al.
Brungardt, Kurt, The Complete Book of Abs, Chapters 2,6,8 and pp. 148-149.
Nordic Track News Release, Copyright 1996, pp. 1-3.
Nordic Track News, Copyright 1996, pp. 1-3.
Forza Advertisement, Copyright 1996, pp. 1-2.
Abflex Advertisement, 1 page.
Absculptor Advertisement, 1 page.
Korean Advertisement for Exercise Apparatus No. 1.
Korean Advertisement for Exercise Apparatus, No. 2.
Article #1, "Ab Machines Make Retail Sit Up and Take Notice" Discount Store News, Jun. 17, 1996, pp. 1-3.
Article #2, "Battle Shapes Up Between NordicTrack and Rival", Minneapolis-St. Paul City Business, Aug. 23, 1996, pp. 1-2.
Article #3, "Battle of the Bulge-Busters", Sales & Marketing Management, Oct. 1996, p. 1.
Article #4, "All Those AB Machines Really Work", The Dayton Daily News, Sep. 24, 1996, pp. 1-2.
Article #5, "Getting to the Gut of Looking Ab-Solutely Fit", Sacramento Bee, May 27, 1996, pp. 1-2.
Article #6, "ABS-olutely fabulous The craving for chiseled stomach muscles America's fascination with the washboard look", USA Today, May 21, 1996, pp. 1-4.
Crow Stephen R.
Spiegel H. Jay
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