Disk and gear mounting in electric watthour meter

Details Disk and gear mounting in electric watthour meter Disk and gear mounting in electric watthour meter

1985-03-14

1986-10-14

Levy, Stuart S.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Eddy current rotor

324154PB, 384247, 384252, 384295, 384428, 384215, G01R 1102, F16C 2302, F16C 2702

Patent

active

046175148

ABSTRACT:
A watthour meter frame for an electric watthour meter includes pairs of orthogonal machined plane surfaces against which bearings are urged for accurately positioning the ends of a disk shaft of an electric watthour meter. Clearances are provided in the watthour meter frame for machining all pairs of machined surfaces without either changing the cutting tool or rotating the watthour meter frame. Worm gear bearings are similarly positioned in the watthour meter frame against three machined plane surfaces which may be machined in the same operation, and with the same cutting tool, as used in forming the pairs of machined surfaces for the disk shaft bearings. The worm gear bearings include a cylindrical barrel which is resiliently urged into contact with a pair of plane machined surfaces in a bearing well and a positioning flange having a bearing surface which is resiliently urged into a face surface surrounding the bearing well. Since the disk shaft and the worm gear are both located with respect to accurately machined plane surfaces in the watthour meter frame, sufficient relative and absolute accuracy is obtained to eliminate mesh adjustment of the worm gear.

REFERENCES:
patent: 2639199 (1953-05-01), Patrosio
patent: 2940044 (1960-06-01), Warsaw
patent: 3383142 (1968-05-01), Scott

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