Undertaking
Patent
1982-05-17
1984-05-01
Stouffer, Richard T.
Undertaking
272DIG4, A63B 2306
Patent
active
044456832
ABSTRACT:
A treadmill exercising apparatus comprising a generally planar frame equipped with a planar slider bed and head and tail rollers journalled respectively at the head and tail ends of the frame, over which an endless nylon belt is trained, with the slider bed having a top, slider, surfacing, formed by plastic sheeting, across which the upper run of the belt rides, and the head and tail rollers being formed from a rigid metallic material and provided with a belt centering crown, which in the case of the head roller is formed by an elastomeric material. The frame at its head end is equipped with a cross member in which are threadedly mounted in spaced apart relation a pair of threaded screw members that support the head end of the frame for adjustment of the slope of the treadmill. The tail end of the frame has a pair of pivotally connected supporting feet, and the feet of the frame tail end and the screw members are proportioned to horizontally dispose the slider bed and associated endless belt in the retracted position of the screw members, with the screw members being journalled to rotate about upright axes that are inclined at an acute angle off perpendicular relationship relative to the slider bed plane for sloping the treadmill as desired.
REFERENCES:
patent: 759296 (1904-05-01), Moriarty
patent: 2399915 (1946-05-01), Drake
patent: 3356367 (1967-12-01), Tewksbury
patent: 3643943 (1972-02-01), Erwin, Jr. et al.
patent: 3703284 (1972-11-01), Hesen
patent: 4227487 (1980-10-01), Davis
patent: 4364556 (1982-12-01), Otte
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