US Patent: 1,941,565 - Socket Wrench


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US Patent: 1,941,565

Socket Wrench

Patentee:

Sigmund Mandl (exact or similar names) - Milwaukee, WI

USPTO Classifications:

173/93.7, 29/275, 81/121.1, 81/466

Tool Categories:

wrenches

Assignees:

Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 20, 1933
Granted:	Jan. 02, 1934

Patent Pictures:

Sigmund Mandl pat. January 2, 1934

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Description:

The wrench is essentially a robust nut with a striker face. It would be driven by a hammer and punch, and would rely on shock to loosen or tighten a nut which would then be free to be turned by more conventional wrenches.