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Expired
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John Heys
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Individual
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Individual
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Publication of GB190926948ApublicationCriticalpatent/GB190926948A/en
H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01R39/00—Rotary current collectors, distributors or interrupters
H01R39/02—Details for dynamo electric machines
H01R39/04—Commutators
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Motor Or Generator Current Collectors
(AREA)
Abstract
26,948. Keys, J. Nov. 20. Commutators.-A commutator bar a and lug b are formed integrally by drawing them from one solid piece of copper or other metal. The apparatus used consists of a box of cast steel or brass having shaped pieces of steel adjusted by setpins or wedges or both. The solid rod of copper &c. is fed into the. box and drawn through the die in the usual manner.
GB190926948D1909-11-201909-11-20Improvements relating to Commutator Bars in connection with the Armatures used in Dynamos and Motors.
ExpiredGB190926948A
(en)
Improvements in and connected with Commutator Bars for Dynamo Electric and like Machines and in the Method of Fastening the Armature Coil Connectors to such Bars.