US Patent: 2,066,073 - Safety Device for Elevating or Translating Mechanism


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US Patent: 2,066,073

Safety Device for Elevating or Translating Mechanism

Patentee:

Albert E. Robinson (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:

74/89.39

Tool Categories:

metalworking machines : metalworking machine mechanisms

metalworking machines : drilling and boring : drill presses : radial drill presses

Assignees:

American Tool Works Co. - Cincinnati, Hamilton County, OH

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Feb. 25, 1936
Granted:	Dec. 29, 1936

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Tool Works Co.

Description:

Claim:

A safety device of a character disclosed, comprising, two members, a screw secured to one, a dual nut journaled in the-other and threaded on said screw, the elements of said dual nut extensively united for relative axial movement and unitary rotation, adapting the one to normally sustain a load while the second is relieved thereof and substitutes therefor in the event of thread failure of the first, and a drive gear coaxial with said dual nut and in coupling connection therewith when the elements thereof are in an extensible relation and uncoupled therefrom when the elements of the dual nut are brought to a compacted relation.