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US Patent: 62,137
Pipe Wrench
Improvement in Pipe-Tongs
Patentee:
John Johnson (exact or similar names) - Saco, ME

USPTO Classifications:
81/128, 81/406, 81/409.5

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. A. Quinby
Henry C. Houston
William Henry Clifford

Patent Dates:
Granted: Feb. 19, 1867

Patent Pictures:
John Johnson Pat. Feb. 19, 1867
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Description:
This tongs has an intermediate rotating member with a ratchet and an off-center pin. This feature forms a movable pivot for the handle with the short jaw to adjust the tongs to different pipe sizes.

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