The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 18, 2002
Filed:
Jun. 04, 2001
Applicant:
Inventor:
Ming-Hui Chen, Tainan City, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 2/600 ; A63B 7/100 ;
U.S. Cl.
CPC ...
A63B 2/600 ; A63B 7/100 ;
Abstract
An abdomen exercise device includes a bed body having a backrest and a seat pivotally connected with a joint to permit the backrest swing up and down to force the back of a user lying on the bed body bend the back up and down to exercise the user's abdomen. The backrest is swung up and down by a drive rod moved by a drive device consisting of a motor, a drive wheel, and a chain gear fixed with a lower end of the drive rod and a drive chain gear fixed eccentrically with the drive wheel rotated by the motor. With an endless chain extends around the drive chain gear and the chain gear to let two ends of the drive rod seesaw to swing up and down the backrest automatically.