US Patent: 1,861,786 - Mortising machine


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US Patent: 1,861,786

Mortising machine

Patentees:

Andrew G. Buchan (exact or similar names) - Grand Rapids, MI

Ira J. Lyons (exact or similar names) - Grand Rapids, MI

USPTO Classifications:

144/133.1, 83/844

Tool Categories:

woodworking machines : joint making machines : mortising machines

woodworking machines : wood drilling and boring : mortising machines

Assignees:

Leitelt Iron Works - Grand Rapids, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 09, 1930
Granted:	Jun. 07, 1932

Patent Pictures:

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Description:

"The main objects of this invention are... to provide a machine which is well adapted for the mortising of large timbers such, for example, as are commonly employed in cribs, docks, and heavy framing."