Patent ID: 6145397
Filing Date: 2000-11-14
Classification: F16C,Y10T

Abstract:
A hinged weight support apparatus comprising:a tubular pan body fixed to a base;a load arm rotatably fixed to an upper tilt axis of said pan body;wherein a weight support portion of said load arm extends in a first direction from said upper tilt axis;wherein a crank arm portion of said load arm extends in a second direction, approximately opposite to said first direction, from said upper tilt axis to a crank pin axis located away from said upper tilt axis by a crankarm distance.a spring element having an adjustable spring tension, wherein said spring element has a bottom end rotatably fixed to a lower spring support member of said pan body, said spring element passing through a portion of said tubular pan body and having a top end rotatably fixed to a crank pin axis member.