US Patent: 3,373,637 - Multiple purpose portable rotary drive unit


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US Patent: 3,373,637

Multiple purpose portable rotary drive unit

Patentee:

Howard N. Behnke (exact or similar names) - Monterey Park, CA

USPTO Classifications:

74/421A, 74/425, 81/57.17, 81/65.2

Tool Categories:

handheld power tools

Assignees:

Collins Machinery Corp. - Monterey Park, CA

Manufacturer:

Ex-Cell-O Corp. - Troy, MI

Greenlee Brothers & Co. - Rockford, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 14, 1966
Granted:	Mar. 19, 1968

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Ex-Cell-O Corp.
Vintage Machinery entry for Greenlee Brothers & Co.

Description:

This invention is a "portable power rotary drive assembly capable of driving die heads and adapters for pipe threading". The patent number has been seen in a 1988 Greenlee catalog, for their Number 440 Porta-Thred Power Drive/Portable Threader.