US878981A - Wrench. - Google Patents

Wrench. Download PDF

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Publication number
US878981A
US878981A US35736507A US1907357365A US878981A US 878981 A US878981 A US 878981A US 35736507 A US35736507 A US 35736507A US 1907357365 A US1907357365 A US 1907357365A US 878981 A US878981 A US 878981A
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US
United States
Prior art keywords
shank
threads
nut
jaw
wrench
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US35736507A
Inventor
Henry E Mobley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L ERT SLACK
CLAUDE E RAGSDALE
Original Assignee
CLAUDE E RAGSDALE
L ERT SLACK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CLAUDE E RAGSDALE, L ERT SLACK filed Critical CLAUDE E RAGSDALE
Priority to US35736507A priority Critical patent/US878981A/en
Application granted granted Critical
Publication of US878981A publication Critical patent/US878981A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/10Spanners; Wrenches with adjustable jaws
    • B25B13/12Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/16Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut

Description

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UNITED STATES PATENT OFFICE.
`HENRY E. MOBLEY, OF TRAFALGAR, INDIANA, ASSIGNOR OF ONE-THIRD TO L. ERT SLACK,
OF FRANKLIN, INDIANA, AND ONE-THIRD TO CLAUDE E. RAGSDALE, OF TRAFALGAR,
INDIANA.
WRENCH.
Specification of Letters Patent.
Patented Feb. 11, 1908.
T o all whom t may concern:
Be it known that I, I-IENRY E. MOBLEY, of Trafalgar, county of Johnson, and State of Indiana, have invented a certain new and useful Wrench; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accom anying drawings, in which like letters refer to like parts.
The object of this invention is to provide a simple and improved monkey wrench.
The chief feature of the invention consists in mounting the movable jaw freely slidable upon the shank of the stationary jaw, and having means mounted in connection with the movable j aw adapted, after the movable j aw has been moved up against the nut or the like t0 be turned into a position to engage threads on the shank of the stationary jaw and thus hold the movable jaw in place. To adjust the wrench for a larger nut, said locking means for the movable jaw is turned so as to disengage the threads on the shank of the stationary j aw, whereby it can be again freely slidable into a new position.
The nature of the invention will be understood from the accompanying drawings and the following description and claims.
In the drawings Figure 1 is a side elevation of the wrench with the movable jaw locked firmly in position for use on a nut. Fig. 2 shows the right-hand half of the wrench with the parts in position to unlock the movable jaw whereby it is slidable freely. Fig. 3 is a plan view of the left-hand portion of Fig. 1.
ig. 4 is a longitudinal section on the line 4 4 of Fig. 2looking upward. Fig. 5 is a central longitudinal section on the line 5 5 Of Fig. 3. Fig. 6 is an end elevation of the adjusting nut showing the mutilated threads therein. Fig. 7 is a section 0n the line 7 7 of Fig. 1. Fig. 8 is a section on the line 8-8 of Fig. 2, said Figs. 6, 7, and 8 being on a somewhat larger scale than the preceding figures.
In detail 10 is what may be termed `the fixed jaw, being rigidly secured to its shank 11 which carries a handle 12. The shank 11 is flattened on each side and the top and bottom surfaces are threaded from a point beginning with the handle to a point near the fixed jaw 10. The movable jaw 15 has a hole through it longitudinally, as indicated in Figs. 4, 5, and 8, in which the shank 11 of the Wrench fits loosely so that the jaw 15 is slidable on the shank of the fixed jaw 10 into the desired position .with relation to said fixed jaw. It is held. in relation with said. fixed jaw by means cooperating with the threads on the shank 11.
The movable jaw 15 at its rear end has two threaded rearward extensions 16, one on each side of the shank 11, said` extensions having the same width as said shank and being concave transversely so that together with said shank they form a circular threaded body for the locking nut or sleeve 17 that is mounted on them. This nut 17 is milled on the outside so that it'can be turned by the thumb and finger, and it is provided with internal mutilated threads 18, that is, it has a series of threads on two opposite sides that extend each about one fourth the distance around the nut, and between said two series of threads at two opposite sides there are no threads whatever. This appears plainly in Fig. 6.
It is obvious from this description of the nut 17 that when it is turned in one position, as for instance in Fig. 6,' these threads will, not engage the threads on the shank 11 of the fixed jaw, and then the jaw 15 is readily slidable. But when the nut 17 is turned one fourth of a revolution to the position shown in Fig. 5, the two series of threads 18 therein will engage the threads on the top and bottom surfaces ofthe shank 11 and thus hold the movable jaw securely against its work.
The nut 17 is held in its two positions by a fiat spring 2() fulcrumed on a screw 21 to one side of the movable jaw 15, and at the other end it is reduced to a point that extends for some distance loosely into a hole 22 in the forward side of the nut 17. This hole is so located that when itis turned down to the position shown in Figs. 6 and 7, the movable j aw will be slid able, and when turned up into the position shown in Fig. 8, the nut 17 will lock the jaw 15 in position. The point of the spring 2O fits loosely enough in the hole 22 to permit the oscillatory movement of the spring by the nut to the position shown in Figs. 1 and 2.
What I claim as my invention and desire to secure by Letters Patent is:
1. A wrench including a threaded shank with a fixed jaw thereon, a jaw slidable on said shank, a nut mounted in connection with the slidable jaw adapted to engage the threads on said shank for holding the movable jaw in the desired position with relation to the fixed jaw and means actuated by the movement of said nut for stopping and holding said nut in position.
2. A wrench including a shank with mutilated threads thereon, a jaw fixed to said shank, another jaw slidable on said shank, a nut mounted in connection with said movable jaw that is provided internally with mutilated threads to engage the threads on said shank, whereby when said nut is in one position, its threads will engage the threads on the shank and hold the movable jaw fixed, and when in another position of said nut, its threads will not engage the threads of the shank and said jaw will be freely slidable thereon and means engaged by and actuated by the movement of said nut for stopping and holding said nut in its engaging and disengaging positions.
3. A lWrench including a shank with mutilated threads thereon, a jaw fixed to said shank, another jaw slidable on said shank, a nut mounted in connection with said movable jaw that is provided internally with mutilated threads to engage the threads on said shank, whereby when said nut is in one position, its threads will engage the threads on the shank and hold the movable jaw fixed, and in another position of said nut, its threads will not engage the threads of the shank and said jaw will be freely slidable thereon, and means mounted on said slidable jaw and actuated by the movement of said nut for locking said nut in its two positions.
4. A'wrench including a shank flattened on two opposite sides and threaded on the top and bottom edges thereof, a jaw fixed to said shank, another jaw slidable on said shank with a rearward threaded extension therefrom on each side of said shank, the threads of said extensions registering with the threads on the shank and complementing each other, a nut mounted on said threaded extensions from the movable jaw that has mutilated internal threads which engage the threads on said shank when the nut is in one position and disengage the threads when the nut is in another position, and a spring fulcrumed at one end to said movable jaw and in engagement at the other end with said nut so as to hold said nut vin the positions of engagement and disengagement with the threads of the shank and yet be swung laterally bypartial rotation of the nut from one locking position to the other, substantially as set forth.
In witness whereof, I have hereunto affixed my signature in the presence of the Witnesses herein named.
HENRY E. MOBLEY.
Witnesses:
D. C. SPRAGUE, CLARENCE FRAKER.
US35736507A 1907-02-14 1907-02-14 Wrench. Expired - Lifetime US878981A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597403A (en) * 1948-05-20 1952-05-20 John T Tedesco Interrupted thread type slidable jaw wrench

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597403A (en) * 1948-05-20 1952-05-20 John T Tedesco Interrupted thread type slidable jaw wrench

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