Improvements in and relating to electric motor controllers


240,458. British Thomson-Houston Co., Ltd., (Assignees of Crocker, A. T.). Sept. 23, 1924, [Convention date]. Controllers with auxiliary switches; handles.- An auxiliary switch for opening the line circuit when a controller handle is moved backwards is operated by lost motion of the handle 10 about a pivot 11 sliding an inolined-face block 14 relative to a wedge 16, which is thus displaced vertically and, through guided rods 18, 19, raises the auxiliary pivoted switch arm 21 to break contacts 15, 26.




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