Abstract: An electric cart chassis includes a front unit and a rear unit. The front unit is fastened to a front wheel assembly and is formed of at least two support rods and a locating rod. The rear unit is fastened to a rear wheel assembly and is formed of at least two sleeves and a locating sleeve. The front unit is adjustably fastened to the rear unit such that the two support rods are adjustably fastened to the two sleeves, and such that the locating rod is adjustably fastened to the locating sleeve in conjunction with a locating bolt which is put through a locating hole of the locating sleeve and one of a series of locating holes of the locating rod.

Abstract: A walker frame includes two first support rods, two second support rods, two seat rods fastened between the first support rods and the second support rods, and a seat mounted on the two seat rods. The seat rods are provided with two locating seats. The first support rods and the second support rods are provided with a plurality of locating holes which are arranged at an interval along the longitudinal direction of the first support rods and the second support rods. The seat is adjusted in height by the locating seats which are located by the locating holes of the support rods.

Abstract: A walking frame comprises two first support rods, two second support rods, two seat rods fastened between the first support rods and the second support rods, and a seat mounted on the two seat rods. The seat rods are provided with two locating seats. The first support rods and the second support rods are provided with a plurality of locating holes which are arranged at an interval along the longitudinal direction of the first support rods and the second support rods. The seat is adjusted in height by the locating seats which are located by the locating holes of the support rods.

Abstract: A brake mechanism for auxiliary walker has a fixed seat, a control plate and a hand grip. The fixed seat is hollow at an inner portion of a handle at one top end thereof. The control plate has formed horizontal guide hole at bottom one side and further formed a fixed hole at bottom one surface. The hand grip is provided with a long trough hole at one end thereof providing the control plate to insert in. The control plate together with said hand grip are all be inserted into the fixed seat fastening by plurality screws at the top end of control plate and fixed seat.

Abstract: A walking frame for disabled persons is provided with two hand grips of a polygonal construction. The hand grips are engaged securely with the polygonal tubes of the main legs of the walking frame in conjunction with the tightening blocks and the fastening sleeves. The hand grips are fastened such that they remain stably at the same level so as to afford the lame persons an easy and comfortable gripping. The walking frame can be folded for easy storage and shipment.