GB Patent: GB-539,497
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Improvements In Or Relating To Electric Switch Apparatus With Safety Doors Or Cover-plates
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Patentees:
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George Adcock (exact or similar names) - Leicester, England |
Howard Shipley (exact or similar names) - Leicester, England |
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Patent Dates:
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Applied: |
Apr. 02, 1940 |
Granted: |
Sep. 12, 1941 |
Espacenet patent
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Joel Havens "Vintage Machinery" entry for Adcock & Shipley Ltd.
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Description: |
When the lid 12 of a switch box 10 is opened. a curved lever 16 which bears against the lid is moved by a spring 17 into the dotted position, causing the rotation of a shaft 15 and the moving of contacts 14a, carried by the shaft, into the "off" position. |
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