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Knob-to-Shaft Fasteners
Self-Retaining Tinnerman Speed Clips solve a host of Knob-to-Shaft assembly problems. They eliminate inserts and setscrews for reduced molding costs and easier, faster, assembly. Stresses are distributed evenly around the hub during application while the strength and durability of spring steel reinforces critical wearing points and harnesses cold-flow tendencies. Knobs can be removed and replaced repeatedly without danger of loosening or developing knob-wobble".
Two basic designs are available for standard applications. Compression Rings are for use on thermoplastic knobs with split hubs. They squeeze the hub around the shaft insuring firm, reliable retention. Round, D-shaped or Knurled Shafts can be used depending upon the hub cavity design. "C" Clips are recommended for die cast or thick-walled thermosetting plastic knobs. For use with D-shaped shafts only, they bear against the flat side of the shaft clamping it firmly within the hub cavity.
Where knob designs do not permit the use of either Compression Rings or "C" Clip, Speed Clips are available, or can be designed to fit within the knob cavity.
Two basic designs are available for standard applications. Compression Rings are for use on thermoplastic knobs with split hubs. They squeeze the hub around the shaft insuring firm, reliable retention. Round, D-shaped or Knurled Shafts can be used depending upon the hub cavity design. "C" Clips are recommended for die cast or thick-walled thermosetting plastic knobs. For use with D-shaped shafts only, they bear against the flat side of the shaft clamping it firmly within the hub cavity.
Where knob designs do not permit the use of either Compression Rings or "C" Clip, Speed Clips are available, or can be designed to fit within the knob cavity.
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