US Patent: 1,213,578 - Miter and Try-Square


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US Patent: 1,213,578

Miter and Try-Square

Patentee:

Christian Bodmer (exact or similar names) - New Britain, CT

USPTO Classifications:

403/103

Tool Categories:

layout tools : squares

Assignees:

The Stanley Rule & Level Co. - New Britain, CT

Manufacturer:

The Stanley Rule & Level Co. - New Britain, CT

Witnesses:

Unknown

Patent Dates:
Applied:	May 29, 1916
Granted:	Jan. 23, 1917

Patent Pictures:

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Description:

This design is for a machinist's combination square. Instead of the usual grooved rule, this one uses a slot. This not only allows the blade to pivot, but according to the inventor it also makes the square lock more securely.

Stanley used this design on all of their combination squares.