US Patent: 984,708 - Belt-gearing


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US Patent: 984,708

Belt-gearing

Patentee:

Charles De Los Rice (exact or similar names) - Hartford, CT

USPTO Classifications:

474/63, 74/665.0GB, 74/665.0GE

Tool Categories:

metalworking machines : drilling and boring : drill presses

metalworking machines : metalworking machine mechanisms : metalworking power transmission

woodworking machines : wood drilling and boring : drill presses

Assignees:

None

Manufacturer:

Avey Machine Tool Co. - Cincinnati, OH

Henry & Wright Mfg. Co. - Hartford, CT

Smith & Coventry, Ltd. - Manchester, England

Witnesses:

H. E. Hart

Daniel M. Wright

Patent Dates:
Applied:	Dec. 17, 1903
Granted:	Feb. 21, 1911

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Avey Machine Tool Co.
Vintage Machinery entry for Henry & Wright Mfg. Co.
Vintage Machinery entry for Smith & Coventry, Ltd.

Description:

This patent was used by multiple drill press manufacturers.

"The invention consists mainly in belt gearing comprising step cone or multiple pulleys on the driving or driven shaft, or, preferably, on both, and intermediate pulleys or idlers and provisions for varying and determining the position thereof so that each step or pulley of one shaft may coöperate with any step or pulley on the other shaft, and the belt be properly guided tightened to transmit the rotary movement from one shaft to the other..."