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US Patent: 976,841
Friction-drum
Patentee: John V. Beekman (exact or similar names) - Plainfield, NJ USPTO Classifications: 192/113.5 Tool Categories: material handling : hoists, winches, come-alongs Assignees: Lidgerwood Mfg. Co. - New York, NY Manufacturer: Lidgerwood Mfg. Co. - New York, NY Witnesses: James G. Lidgerwood Franklin D. Hooper	Patent Dates: Applied: Apr. 23, 1909 Granted: Nov. 29, 1910 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Lidgerwood Mfg. Co.
Description: The invention is a lubrication system for a friction-drum mechanism that is aimed at avoiding contamination of the friction surfaces themselves.

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