Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1978-07-31
1980-07-08
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
G01R 502, G01R 102
Patent
active
042119723
ABSTRACT:
A meter rotor includes a preferably hollow shaft for caging filaments or ribbons, means such as openings on the shaft for engaging a coil, a pair of axially movable end caps engaging opposing ends of the shaft, a spring associated with each end cap for holding the filaments or ribbons taut but without necessarily deflecting the springs, and means on the end caps for engaging a stator.
The rotor cooperates with a stator which has rotor-engaging means corresponding to the stator-engaging means on the end caps. The rotor engaging means are separated by a first distance which is greater than a second distance between the stator engaging means. The first and second distances are in a predetermined relationship so that when the rotor is positioned in the stator and the end caps are moved axially, the stator engaging means engage the stator, thereby deflecting the springs to apply tension to the filaments or ribbons.
REFERENCES:
patent: 3090007 (1963-05-01), Palmer
patent: 3111623 (1963-11-01), Thomander
patent: 3277370 (1966-10-01), Clark
patent: 3493864 (1970-02-01), Donath et al.
patent: 3590375 (1971-06-01), Sills
patent: 4019137 (1977-04-01), Takeda et al.
Sangamo Weston, Inc.
Strecker Gerard R.
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