An improved device for damping humming noises in electricity meters

摘要

612,267. Bearings. LANDIS & GYR SOC. ANON. May 22, 1946, No. 15506. Convention date, June 2, 1945. Addition to 508,642. [Class 12 (i)] A footstep bearing for use in electricity meters, as described in the parent Specification comprising a cup member supported by a leaf spring held in a fixed part of the footstep bearing, comprises a holder for the leaf spring and a sleeve connection provided with interfitting means whereby on re-assembly the leaf spring is located in always the same predetermined position relatively to the plane of the flat sides of the driving magnet core. The sleeve is held in fixed position relatively to its support frame by an inward projection 28 on the frame aperture engaging a slot 27 in the sleeve 6. A holder 9 for the leaf spring 12 has projections 32 and 33 of different axial lengths arranged to engage in corresponding slots 30 and 31 at the bottom of the sleeve 6. Assembly is completed by a cap member 11 containing a spring 34 to support the holder 9 in the sleeve. In an alternative construction, the holder 9 may have pins disposed at different axial positions arranged to engage in grooves in the sleeve 6.