Finial-adaptive pull chain

Details Finial-adaptive pull chain Finial-adaptive pull chain

1997-10-22

1999-06-29

Jones, David

Chain, staple, and horseshoe making

Chains

Attachments

428 28, 362404, F16G 1500

Patent

active

059161248

ABSTRACT:
A finial-adaptive pull chain has a bead chain disposed between an adaptor and a spring assembly. The adaptor retains the terminal bead of the bead chain, has external threads on the lower portion for receiving a finial and has a gripping surface on the upper portion to facilitate hand-manipulation during attachment. The upper portion has a diameter no greater than the lower portion so that the adaptor is substantially hidden from view when a finial is fully attached and does not unduly interfering with the decorative requirements of any end-user. The spring assembly has a spring for absorbing dynamic tensile forces applied during activation and deactivation to reduce the risk that the end-user will damage the electrical components of the associated device.

REFERENCES:
patent: 1189101 (1916-06-01), Hannan
patent: 1355193 (1920-10-01), Van Amberg
patent: 2117137 (1938-05-01), Blatz
patent: 2232512 (1941-02-01), Clifford
patent: 4956758 (1990-09-01), Aubrey et al.
patent: 5262209 (1993-11-01), Sawyer
patent: 5339618 (1994-08-01), Sawyer
patent: 5613772 (1997-03-01), Sawyer

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