Title: Thread gauge

Abstract: An attachment is slidably engaged with the blade of a caliper-type measuring device. The attachment carries a contact element which is sized to be inserted into the groove between adjacent threads and abut each thread. The pitch diameter of threads are measured by opposed attachments carried by the respective blades of the calipers. Axial alignment of the contact member within the thread groove is accommodated by sliding arrangement between the attachment and the blade.

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Inventors: Schasteen, Thomas C. (Sumner, WA, US)

Application Number: 871241
Filing Date: 1978-01-23
Publication_date: 1980-05-13
Assignee:
Primary Class(es): 33/199R
Other Classes:
US Patent Ref:

2246066	Jul, 1941	Rothe	33/143.
2941304	Jun, 1960	Man	33/199.
3491452	Jan, 1970	Johnson	33/199.

Other Refs:
Primary Examiner: Little, Willis
Assistant Examiner:
Attorney: Flickinger; Don J.