US Patent: 1,674,813 - Propelling jack


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US Patent: 1,674,813

Propelling jack

Patentees:

Gailard E. Weaver (exact or similar names) - Springfield, IL

Ira A. Weaver (exact or similar names) - Springfield, IL

USPTO Classifications:

254/2B, 254/96, 280/3, 280/43.12

Tool Categories:

Assignees:

Weaver Mfg. Co. - Springfield, IL

Manufacturer:

Weaver Mfg. Co. - Springfield, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 23, 1925
Granted:	Jun. 26, 1928

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Weaver Mfg. Co.

Description:

This appears to be an improvement to the famous Walker jack of patent 1,437,606 that provides a leverage assist to moving a vehicle horizontally as well as vertically.