Patent JPS4990795A successfully refreshed from Google Patents.
← Back to Patent Explorer
GB516640A Expired / Lapsed GB ⏱️ 0.0 years remaining

Improvements in or relating to pivotal joints for electric fittings

Assignee: HAROLD CYRIL COOPER
•
Filing: 1938-07-02
•
Granted: —
•
Expires: 1958-07-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 516,640. Pivotal joints. COOPER, H. C. July 2, 1938, No. 19662. [Class 65 (ii)] A pivotal joint for electric fittings consists o two members 11 formed from sheet metal provided on the edges of the lower parts with teeth 14 which interengage when the two members are bent and brought together to form a cylinder. The lugs 10 are provided with holes 12 for the pivot pin. Instead of forming it from two pieces, it may be formed from one. The joint may be connected to a tube &c. 18 by a sleeve 16, 17 surrounding the joint and tube. In another form, the joint has clamps along.the two edges by which it is fixed to an inner tube. In another form it has a circumferential groove by which it is kept in an outer sleeve by a pin mounted in the sleeve. In another form, its lower edges have teeth by which the joint is attached to a toothed base plate. The teeth may be of various shapes.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-11-01 12:49
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag