Spring devices – Coil – Circular
Patent
1990-07-30
1992-08-18
Graham, Matthew D.
Spring devices
Coil
Circular
267180, 267 15, F16F 106
Patent
active
051392437
ABSTRACT:
A length of canted coil spring is disclosed which is suitable for forming a stable, when unsupported, circular axially loadable spring. The length of spring includes a plurality of elliptical coils canted along a coil centerline with the coil centerline following a helical path about a helix centerline. The length of canted coil springs is approximately equal to a distance, or pitch, along the helix centerline necessary for one complete revolution of the helical path thereabout.
REFERENCES:
patent: 2600534 (1952-06-01), Hawkinson
patent: 3468527 (1968-03-01), Mather
patent: 4655462 (1987-04-01), Balsells
patent: 4826144 (1989-05-01), Balsells
patent: 4830344 (1989-05-01), Balsells
patent: 4876781 (1989-10-01), Balsells
patent: 4893795 (1990-01-01), Balsells
patent: 4907788 (1990-03-01), Balsells
patent: 4915366 (1990-04-01), Balsells
Balsells Joan C.
Balsells Peter J.
Graham Matthew D.
Hackler Walter A.
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