U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Weight-lifting machine

Patent 5116297 Issued on May 26, 1992. Estimated Expiration Date: Icon_subject March 4, 2011. 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.

Patent References

Multipurpose exercising machine
Patent #: 4357010
Issued on: 11/02/1982
Inventor: Telle

Weight lifting exercise device
Patent #: 4406452
Issued on: 09/27/1983
Inventor: Lapcevic

Weight lifting type exercising device
Patent #: 4621810
Issued on: 11/11/1986
Inventor: Cummins

Weight-biased fitness machine
Patent #: 4858915
Issued on: 08/22/1989
Inventor: Szabo

Apparatus for squat exercise
Patent #: 4872670
Issued on: 10/10/1989
Inventor: Nichols

Attachment for exercise bench
Patent #: 4883269
Issued on: 11/28/1989
Inventor: Shaver

Exercise device Patent #: 4923195
Issued on: 05/08/1990
Inventor: Calderone

Inventor

Application

No. 663569 filed on 03/04/1991

US Classes:

482/97, Having lever carrying the weight482/137About a horizontal axis

Examiners

Primary: Bahr, Robert

Attorney, Agent or Firm

Foreign Patent References

  • 2717373 DE 10/13/1978

International Class

A63B 021/06

Abstract

A weight-lifting machine having engaging means such as a barbell that is advanceable by a use both vertically and horizontally. The weight-lifting machine includes a base and a vertical support structure extending upward therefrom. A pair of first pivotal members are pivotally secured to the vertical support structure at an upper end thereof. Each of a pair of second pivotal members are pivotally connected to each of the first pivotal members and engaging means such as a barbell, curl-bar or handles are removably securable to the second pivotal members. Through the cooperation of the pivotal action of the first pivotal members and the second pivotal members, a user may grasp or otherwise engage the engagement means and advance the engagement means through simultaneous vertical and horizontal motion. Telescoping beams extending from the vertical support structure to the second pivotal members restrict the range of pivotal motion of the second pivotal members and provide resistance to the pivoting of the second pivotal members so as to provide greater control to a user.

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