Quadricep isolation exercise apparatus

Patent 6746382 Issued on June 8, 2004. Estimated Expiration Date:

January 8, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Resilient abdominal-arm exercise apparatus
Patent #: 5616109
Issued on: 04/01/1997
Inventor: Szu-Ming

Exoskeletal exercise system Patent #: 5616111
Issued on: 04/01/1997
Inventor: Randolph

Inventor

Harrison, David Beal

Application

No. 09947579 filed on 01/08/2002

US Classes:

482/122, And user supplied counter force482/126, Having pair of handles482/100Pivoted user interface element

Examiners

Primary: Donnelly, Jerome

Attorney, Agent or Firm

Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.

International Class

A63B 2102

Abstract

A portable quadriceps exercise device includes at least one static arm; a pair of knee support pads connected to opposite respective sides of the at least one static arm; a foundation arm having a first end pivotally connected to a first end of the at least one static arm; and a stabilization arm having a first end pivotally connected to a second end of the at least one static arm. A handle is connected to the second end of the stabilization arm so that a user may grasp the handle to maintain stability of the device during use. The device may also include a pivot arm having a first end of the pivot arm being pivotally connected to the second end of the at least one static arm; a pair of ankle pads connected to opposite respective sides of the pivot arm adjacent the second end thereof; and at least one resistance element operatively connected between the at least one static arm and the pivot arm.