US Patent: 2,533,758 - Floating Holder


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US Patent: 2,533,758

Floating Holder

Patentees:

Bernard Better (exact or similar names) - Chicago, Cook County, IL

John W. Lehde (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:

279/156, 279/16, 279/46.7, 279/46.9

Tool Categories:

metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:

Scully-Jones & Co. - Chicago, Cook County, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 09, 1949
Granted:	Dec. 12, 1950

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Scully-Jones & Co.

Description:

Claim:

A floating holder consisting of, a cylindrical driving member, a cylindrical driven tool holding member mounted in the driving member, universal joint connections between the driving member and the driven member, consisting of a cylindrical drive, coupling interposed between the driving member and the driven member having external gear teeth at its lower end that engage with internal gear teeth on the driving member and having internal gear teeth at its opposite end engaging with external gear teeth on the driven member, said gear teeth on both sets of gears always remaining in full engagement and means coacting with the driving member and the driven member for exerting pressure on the driven member independently of the driving means.