Exercise devices – User manipulated force resisting apparatus – component... – Having common force transmitting support frame for user and...
Patent
1991-08-29
1993-09-14
Bahr, Robert
Exercise devices
User manipulated force resisting apparatus, component...
Having common force transmitting support frame for user and...
482118, 482119, 482134, A63B 2100
Patent
active
052444465
ABSTRACT:
The prevent invention provides an apparatus 100 of a type on which a person exercises. The apparatus 100 includes a support frame 101 and a chair member 102 that is rotatably mounted to the support frame 101. A rotational resistance means 105 is also mounted to the support frame 101. The rotational resistance means 105 includes conical surfaces 255 and 256 that provide frictional resistance through interengagement between one of thirty-two teeth 257 on shaft member 154 and one of three ratcheting members 258a-c on rotatable friction member 155. A rotational arm means 106 is operatively connected to the rotational resistance means 105 to allow application of a rotational force in a given direction of rotation against the rotational resistance means 105. A foot anchor means 103 is mounted to the support frame 101, so that a person seated in the chair member 102 may anchor his feet beneath the foot anchor means 103 in order to perform abdominal flexions. Also, a foot brace means 104 is mounted to the support frame 101, so that a person seated in the chair member 102 may brace his feet against the foot anchor means 104 in order to perform abdominal flexions. Additionally, a pelvis stabilization means 107 and a thigh stabilization means 108 are operatively connected to the chair member 102 to stabilize the pelvis and the thighs, respectively, of a person seated in the chair member 101.
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"Document A" Torsilastic Product Literature.
Campbell Frank W.
Cutter Weston L.
Engel Timothy S.
Bahr Robert
NordicTrack, Inc.
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