US Patent: 1,109,747 - Chain-feed saw


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US Patent: 1,109,747

Chain-feed saw

Patentee:

Waldemar Giertsen (exact or similar names) - Chicago, IL

USPTO Classifications:

144/246.1, 144/247, 144/250.13, 83/422, 83/435, 83/435.2

Tool Categories:

woodworking machines : circular saws : circular ripsaws

woodworking machines : woodworking machine parts or accessories : woodworking machine stockfeeding mechanisms

Assignees:

None

Manufacturer:

Chicago Machinery Exchange - Chicago, IL

Witnesses:

Lillian Mansfield

Ralph B. Grove

Patent Dates:
Applied:	Jun. 07, 1913
Granted:	Sep. 08, 1914

Patent Pictures:

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Vintage Machinery entry for Chicago Machinery Exchange

Description:

The inventor was president of the Chicago Machinery Exchange. A 1913 ad from that firm features their "Chicago" No. 121 Straight Edge Ripsaw with chain under-feed and roll top-feed.