US Patent: 252,028 - Flexible gearing


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US Patent: 252,028

Flexible gearing

Patentee:

Alonzo S. Gear (exact or similar names) - New York, NY

USPTO Classifications:

474/148, 474/153, 74/462

Tool Categories:

industrial machines : industrial machine mechanisms : industrial machine gearing

Assignees:

Perpetual Tension Propelling Belt Co. - New York, NY

Manufacturer:

Not known to have been produced

Witnesses:

George P. Avery

John R. Manley

Patent Dates:
Applied:	Jan. 28, 1881
Granted:	Jan. 10, 1882

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for A. S. & J. Gear & Co.

Description:

This spring drive belt was indeed manufactured by the assignee, who claimed, a few months after this patent was issued, that they had already sold 300,000 of them. But the company disappeared from sight within a few more months.