8 Matching Results

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in subjects: "spanners"  
Results: 1 - 8

Wrench.

Description: Patent for improvements “in axle-nut wrenches in which the wrench comprising an angular socket portion adapted to extend partially within the wheel-hub to engage the nut,” (lines 81-83) so that the nut may be unscrewed by rotating the wheel. Illustration is included.
Date: April 15, 1902
Creator: Haines, Samuel Alfred
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench for Rotary Well-Drills.

Description: Patent for a wrench designed to assist in working with rotary well drills. The wrench is adapted for unscrewing the coupling that attaches a drill point to a pipe section, as well as for detaching the pipe sections from one another. The advantage of the wrench is in allowing convenient detachment of the parts of a well drill quickly and efficiently.
Date: October 21, 1913
Creator: Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date: July 29, 1913
Creator: McGill, Wisdom
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for improved construction and function of wrenches. Improvements include a more simple, durable, and inexpensive method of construction and arrangement of the adjustable jaw as to allow a single hand to hold and adjust the wrench simultaneously.
Date: July 29, 1913
Creator: Ashliman, Adolph E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new and improved wrench with a "novel means for adjustably controlling the position of the movable jaw with respect to the stationary jaw" (lines 12-15), including illustrations.
Date: August 29, 1916
Creator: Parmer, Ernest W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for new and useful improved invention of wrenches include both pipe wrenches and general-purpose wrenches particularly.
Date: October 26, 1920
Creator: Kirkpatrick, Otey R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for an improved pipe wrench that has "a pair of fixed but reversible jaws, attached to the shank of the wrench on each side thereof, and a movable, hooked jaw pivoted between the heels of the fixed jaws" (lines 15-18).
Date: May 2, 1893
Creator: Smith, Jay & Gage, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Monkey-Wrench.

Description: Patent for a monkey wrench that "can be adjusted for different sizes of nuts by the same hand which is using the wrench...and which may also be used as a pipe wrench" (lines 16-21).
Date: January 11, 1921
Creator: Kirkpatrick, Otey R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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