HEAVY-DUTY WHEEL HUBS
A thick bolt should fit tightly inside bearing.
Bearings should fit tightly inside outer steel tube.
Carefully mark and drill the outer steel tube for spoke holes.
Spacer tube fits over axle bolt and holds bearings against spoke heads.
holes for bicycle spokes
Note: Used sealed bearings with a &#;" inner diameter can often be obtained free or at low cost from electrical tool and appliance repair shops. These used bearings often last longer than standard wheelchair bearings.
axle (steel bolt &#;")
spacer tube
used sealed bearings
outer steel tube (1¼" thin-wall)
frame of chair
thick-wall tube welded to frame
locknut
The metal plate can be bolted onto the wood.
wood
axle
CASTER FORK AND HUBS
nut
sealed bearing
steel bar
galvanized steel tube for caster barrel
bend
&#;" bolt
A sleeve tube spot-welded to inside of barrel keeps bearings in place.
Drill at equal lengths.
Sealed bearings fit tightly inside caster hub and rest against inner sleeve tube.
Weld bolt to steel bar.
Caster axle fits tightly inside bearings.
7 cm
Mount the caster axle at least 7 cm behind bolt. This helps prevent &#;flutter&#; at higher speeds.
You will get efficient and thoughtful service from nedong.
For slightly different designs, see:
BRAKES
piece of rubber hose
bent piece of flat bar
flat or round steel bar
bolt for attaching to frame
weld
Or steel rod can be bent like this for the brake.
LOCKED
UNLOCKED
metal stops to hold brake in place
See other brake designs.SEAT AND BACK MADE OF CANVAS (strong cloth)
Cut canvas twice as wide as seat or back, allowing 4 cm extra on sides (for seams) and at least 20 cm longer on length.
Sew canvas into a tube.
Tuck in ends to add strength where wear is greatest.
Sew seams here.
Drill holes and screw rods to frame.
CAUTION! Measure carefully. On a folding chair, the width of the seat and back control the width of the chair.
For designs of other wheelchair parts, see the following pages:
Examples of locally made wheelchairs
The plywood wheelchair, with the armrest in place (left) and swung back (right). A plywood wheelchair for a child with cerebral palsy with inner tube stretching aids to gently pull his feet and straighten his severe knee contractures. A bamboo hand-powered tricycle made at Viklang Kendra (People&#;s Village), Allahabad, India. A wheelchair made completely of paper, including the wheels. Paper is glued together using rice flour in water (Zimbabwe). A wood design of the square tube wheelchair, two Healthlink wheelchairs, and a trolley made from half of a plastic bucket and wood wheels. A wood wheelchair in Thailand. The bicycle wheel axles are supported on both sides to keep them from bending. A metal frame, wood wheel &#;trolley&#; in Bangladesh. The rubber tube serves as a cushion and also as a toilet seat. This trolley, also from Bangladesh, uses a cushion made of coconut fiber covered with rubber.For more examples of wheelchair designs, see:
Manual Wheelchair Wheels & Replacement Parts
We offer an excellent variety of manual wheelchair wheels for users to choose from. Our selection of manual wheelchair wheels includes high quality products sure to satisfy your needs.
A hand powered wheelchair wheel is a critical part of the chair, and a part the user is in regular contact with. Finding the right wheelchair replacement wheels for your manual chair can make all the difference.
If you're in need of a replacement or an upgrade, you can find the right wheelchair wheels replacement for you in our selection. You can find the solution to your hand wheelchair wheels replacement problems here.
We offer replacement wheelchair wheels from brands such as Spinergy, Vapor Wheels and more.
Looking to find the right manual or "hand-powered" wheelchair wheels for you? Give us a call and one of our wheelchair wheel specialists can help you find the right product: 1-619-810-.
Also, check out our Manual Wheelchairs.
Contact us to discuss your requirements of Custom wheelchair wheels. Our experienced sales team can help you identify the options that best suit your needs.