Patents Represented by Attorney Arthur Colvin

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  • Electrical supply systems
    Patent number: 4492420
    Abstract: To connect electrical supply leads (19) to an electrical distribution track (1-6) a hole (16) is formed in a rear wall (2) by drilling a series of intersecting holes using a guide block (7) engageable in the track channel and including a locking plate (19) to secure it therein, inserting an insulating bushing (8) into the hole (16) and feeding the supply connectors (19) through the bushing for connection to a supply connector (21) which is inserted into the track through the channel mouth.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: January 8, 1985
    Assignee: Rotaflex plc
    Inventor: Robert A. Stuart