DEVICE FOR MOUNTING WHEEL ON INVALID CHAIR FRAME Russian patent published in 1997 - IPC

FIELD: transport engineering; invalid chairs. SUBSTANCE: device for mounting wheel in invalid chair frame has bracket 1 with neck 2 for wheel axle, wheel - to - frame vertical post angle adjustment mechanism installed on horizontal arm A of bracket lever. Bracket 1 has attachment hole 3 for mounting bracket 1 on vertical post 4. Hole 3 can receive vertical post 4 and provides possibility of rotation of bracket 1 around vertical post 4. Wheel angle adjustment mechanism is made eccentric. Bracket 1 is made in form of cantilever 5 and retainer 6 installed for turning relative to end of cantilever 5 by means of eccentric mechanism. First neck 2 is made in retainer 6 and its longitudinal axis is located at right angle to longitudinal axis of attachment hole 3 when fitting the wheel in parallel to vertical post 4 and at angle when changing vertical position of wheel by means of eccentric mechanism. Second neck 7 for wheel axle is made additionally in cantilever 5 Neck 7 is arranged on horizontal arm B of cantilever 5 opposite to first neck 2 relative to longitudinal axis of attachment hole. EFFECT: facilitated conversion of sport invalid chair with wheel camber into household chair with minimum wheel gauge without camber. 7 cl, 6 dwg