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US Patent: 1,490,859
Friction clutch
Patentee:
Frank H. Sleeper (exact or similar names) - Worcester, MA

USPTO Classifications:
192/111.7, 192/70.23, 192/70.251, 74/577R

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms : friction clutches
metalworking machines : metalworking machine mechanisms : metalworking power transmission

Assignees:
Sleeper & Hartley, Inc. - Worcester, MA

Manufacturer:
Sleeper & Hartley, Inc. - Worcester, MA

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 16, 1921
Granted: Apr. 15, 1924

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Sleeper & Hartley, Inc.
Description:
This friction-clutch mechanism is believed to have been used on Sleeper & Hartley's wire machinery.

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