System for elevating an exercise treadmill

Details System for elevating an exercise treadmill System for elevating an exercise treadmill

1984-09-06

1986-05-27

Apley, Richard J.

Undertaking

272130, A63B 2306

Patent

active

045911479

ABSTRACT:
A system for selectively positioning one end of a treadmill running machine at one of the plurality of locked positions in order to provide an inclined running surface. A support assembly having a ground engaging roller disposed between a pair of arms is pivotally connected to the frame of the treadmill for swinging movement between a retracted position adjacent the frame and one of a plurality of downward, extended positions. So that the treadmill may be easily raised and lowered to a desired operating position, a gas spring is provided for each of the arms of the support assembly. The upper end of each gas spring is securely connected to the frame, while the lower end is pivotally attached to its respective arm. To maintain the support assembly in one of its extended positions, a slide-tube assembly having a releasable clamping sleeve is associated with each of the arms and pivotally connected to the frame and arm to accommodate the swinging movement of the support assembly.

REFERENCES:
patent: D211801 (1968-07-01), Quinton
patent: D270555 (1983-11-01), Ogden
patent: D273029 (1984-03-01), Kullenberg
patent: 3190614 (1965-06-01), Evers et al.
patent: 3643943 (1972-02-01), Erwin, Jr. et al.
patent: 4423864 (1984-01-01), Wiik
"The Puch Jogger", Steyr-Daimler-Puch (GB) Ltd., 7/1977.
Portions of Burdick Corporation advertising brochure illustrating Models TMS-300 and TMS-400 Treadmills.
Advertising sheet illustrating the ICR Whispermill Model Treadmill distributed by Instruments for Cardiac Research, Inc.
Portions of advertising brochure distributed by Haden Industries, Inc. illustrating the Woodway Treadmill.
Portions of advertising brochure distributed by Kidde, Inc. illustrating treadmills marketed under the designations TREDEX Nos. 2902, 2903, 2904, 2905, and 2921.
Portions of advertising brochure distributed by Fitness Equipment illustrating treadmills marketed under designations Marathon 1000, 3000, 5000, 5000E and 7000.
Portions of advertising brochure distributed by MacLevy Products, Corp. illustrating treadmills "Jog Master, Jog-O-Matic, Cardio Fitness, and Tunturi."
Advertising sheet distributed by MGI Strength/Fitness Systems illustrating treadmill Models 23N and 23P.
Advertising brochure distributed by Marquette Electronics, Inc. illustrating the Series 6500 Modular Exercise System.
Portions of advertising brochures illustrating treadmills marketed by M & R Industries, Inc. under the designation Delo Treadmill.
Advertising brochure illustrating the TM Pacer II Treadmill marketed by Ogden Health Products.
Portions of advertising brochure distributed by Pacer Industries, Inc. illustrating treadmill Models R1, R2, R2D, R3, R3 Digital, R9 and R9 Clinical.
Portions of advertising brochure distributed by Trotter Treadmills, Inc. illustrating treadmill Model C22, Trotter 320 and Trotter 3100.
Portions of advertising sheets distributed by Quinton Instrument Company illustrating treadmill Models 18-49, 18-60, 24-72 and 18-54.

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