One-piece U-clip shaft collar slides on but won't pull off
The U-clip shaft collar from
Amacoil Inc., Aston, Pa. (
amacoil.com), slides easily in
one direction onto hardened (minimum
of 50 HR
c) and unhardened shafts, but will
not slide the other direction until users
pull on the clamping ring.
Friction between
the shaft and clamping ring keeps the collar in place. Typical applications include
holding reels and tools in place on shafts.
Holding force varies from 55 to 80 lb, depending on collar size. Collars come in six metric
sizes with diameters of 19, 12, 15, 16, 20, and
22 mm. They resist corrosion and can be installed and removed without tools.