The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 1981
Filed:
Aug. 26, 1980
Tadao Nakaya, Utsunomiya, JP;
Mitutoyo Mfg. Co. Ltd., Tokyo, JP;
Abstract
A touch signalling probe including a probe shaft having a touch sensor on its pointed end, an insulated contact base plate which is fixed to a probe case and has an aperture in its center through which the probe shaft can be penetrated, two sets of upper contact pair and two sets of lower contact pair attached on the upper and the reverse side of the insulated contact base plate, each set of which has two contact members, upper and lower contact arms fixed to the probe shaft and keeping contact with each of contact members, a probe tube slidingly moving along the probe shaft, a spring providing the urging force, and detecting lead wires connecting the respective contact members in series.