Geometrical instruments – Distance measuring – Opposed contacts
Patent
1988-04-29
1989-07-25
Haroian, Harry N.
Geometrical instruments
Distance measuring
Opposed contacts
G01B 500
Patent
active
048501166
ABSTRACT:
An electronic indicator comprising a first portion attached at one end to an object to be controllably stretched or elongated and a second portion slideably connected to the first portion for relative movement therewith and connected at one end remote from the object attachment of the first portion. Electrical connections donating relative movement between the two indicator portions are attached to monitoring equipment to indicate stretch length.
REFERENCES:
patent: 1759219 (1930-05-01), Bowlus
patent: 4237612 (1980-12-01), Christian
patent: 4486891 (1984-12-01), Kimoto et al.
patent: 4652704 (1987-03-01), Franklin
Gilliam Frank D.
Haroian Harry N.
Rohr Industries, Inc.
Schlesinger Patrick J.
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