US1500310A - Wrench - Google Patents

Wrench Download PDF

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Publication number
US1500310A
US1500310A US65192323A US1500310A US 1500310 A US1500310 A US 1500310A US 65192323 A US65192323 A US 65192323A US 1500310 A US1500310 A US 1500310A
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US
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Grant
Patent type
Prior art keywords
wrench
key
jaw
shank
head
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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
Inventor
Frank C Hacheney
Original Assignee
Frank C Hacheney
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
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    • 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
    • B25B13/20Arrangements for locking the jaws
    • B25B13/24Arrangements for locking the jaws by cam, wedge, or friction means

Description

July 8,1924. 1,500,310

. F. c. HACHENEY WRENCH Filed July 16 1923 Patented July 8, 1924.

" UNITED STATES PATENT OFFICE.

. IRAN-K C. HAGHENEY, OF JOHN DAY, OREGON.

H WRENCH.

Application fled .Tuly.18,.1828. Serial No. 651,928.

To all whom, it may concern:

Be it known that I, FRANK C. HAoHaNnY, ing description and the accompanying a citizen of the United States, residing at drawings in which: John Day, Grant County, in the State of Fig. 1 is a side elevational View of the Ore on,have invented certain new and usewrench; ful mprovements in Wrenches, of which Fig. 2 is a view similar to Fig. 1 but showthe following is'a specification. ing the head of the wrench in section;

My invention relates to wrenches and Figs-3 is a side view of the fixed head more particularly to wrenches of the open of the wrench; end type having a movable jaw and the Fig. 4 is a similar view of the movable main object of the invention 1s to provide head of the wrench; such and similar wrenches with means Fig. 5vis a sectional view on the line 55 whereby the movable jaw may be adjusted of Fig. 2; and to enable the wrench to be used with nuts, bolts, and the like, of different dimensions, and to hold the jaw, after adjustment, rigidly and firmly in position so as to withstand more than ordinary wrench turning. stresses.

In the past, attempts have been made to provide wrenches. with suitable holding means for the slidable jaw, but such attempts have not been altogether successful, and wrenches having movable jaws have been more or less unsatisfactory by reason of the movement of the jaw due to wrench turning stress after adjustment ofthe jaw for the particular bolt or nut for which the wrench is to be used. M invention has for its main purpose to obvlate the defects of wrenches heretofore known and to provide a wrench which may be quickly and accurately adjusted to the work for which it is intended, and when once adjusted to remain as originally intended and not to be disturbed from adjustment by the stress incident to its application to, the work. In overcoming the movement of the jaws relatively to each other incident to wrenchturning stress, the rounding of the heads of the bolts or nuts is thus prevented andundue wear of the wrench is reduced to a mini-' mum.

With the above and other objects in view, as will hereinafter appear, I have devised a wrench of the open and type having 'a movable jaw and provided with a device for quickly and accurately adjusting the space between the jaws, and when once adjusted, to hold said jaws in properly spaced relation until the jaws are again adjusted and the turning force of the screw 16 when for otherwork. operatedto move the key into locking en- For a complete understanding of the in gagement with the shank 13 is transmitted ing device for the movable head.

Referring to the drawings in detail, the reference character 10 designates the handle or shank of the wrench having the head 11 lntegral therewith and the head or jaw 12 movable laterally of the fixed head or jaw 11.

The movable jaw 12 comprises the head portion proper and the shank portion 13 of which a part 14 is of reduced width, as shown. more clearly, by Fi s. 4 and 5. The fixed head- 11 has a poc et 15 which is shaped as shown by the dotted lines in Fig. 3, the pocket being also clearly shown in portion 13 of the movable jaw 12 and acts as a guide for the sliding relation between the two jaws, and also receives the tapering lockin key 16 which cooperates with the tapere side 17 of the shank 13 to hold the jaw 12 in adjusted position.- In thisconnection it will be noted that the shank 13 and the key 16 taper in the same direction, and the purpose or this arrangement will hereinafter ap ear. As a means for operating the lockmg key 16 and holding the same in place, there is provided a screw 18 which is in threaded engagement with the base 19 of the head 11 and has a ball point 20 which is received in the recess 21 of the key 16. It will be noted that the sides. a and b of the key 16 are at right angle to each other, and likewise the outlining walls a and b of the pocket 15 are at right angles. The shoulder 22 of the operating screw bears on the surface I) of the key 16 Fig. 2. This pocket 15 receives the shank vention reference is to be had to the follow- Fig. 6 is a perspective view of the lockby contact of the shoulder 22 with the surface 6, the ball point 20 serving only to permit the operating screw to withdraw the key 16 from engagement with the shank 13 of the movable head 12. p

The construction and manner of operating the wrench are apparent from the above description; To s ace the jaws of the wrench for work 0 a given size, 1t is necessary only to loosen the locking key 16, to set the slidable jaw 12 at the desired distance, and then to move the key 16 into firm engagement with the shank 1? The shank 13 may have a scale on both sides thereof so that the movable jaw may be adjusted for a given size bolt head, nut, or the hke. It will be understood that while the wrench has been shown with but one head, it may have two heads, as is obvious.

By reason of the uni-directional taper of the shank and locking key, greater wrench turning stresses serve to hold the movable jaw more rigidly and firmly in position, and by reason of the right angular relation of the sides a and b of the locking key, the force transmitted through turning the operating screw acts to hold the key more firmly in position. It will be noted that no springs are employed and the number of parts comprising the wrench are few and of simple construction. The wrench is of great strength and may be used for work that would require a .wrench of a much larger size if of a different type. The manner of manipulating the wrench is very simple, and because of the ease of manipulation and adjustment and the rigidity of the jaws after adjustment, the wrench may be employed where previously only wrenches with fixed jaws were suitable, and it is therefore entirely practicable and desirable to obviate the need for a plurality of wrenches of different sizes of the type having fixed jaws. Other advantages will be apparent from the disclosure and the use of the wrench in practice.

While I have shown the best embodiment of the invention, it is understood that certain changes may suggest themselves in view of this disclosure, but all such changes are to be considered as part of this invention which is to'be limited only within the scope other and one of said walls provided with a screw threaded opening, a tapered lockin key cooperating with said shank for ho ding said slidable ,member in rigid adjusted position and having two faces at right angles to each other to cooperate with the right angular walls of the recess, and a screw operating member passing through said opening in the wall of the recess and connected to said locking key, whereby the key. is adjusted to locking position by sliding over the other of said right angular walls of the recess.

2. A wrench comprising a fixed member and a slidable member, said fixed member having a guide opening and a recess therein, said slidable member having a tapered shank slidable in said guide opening, said recess having two walls at right angles to each other and one of said walls provided with a screw threaded opening, a tapered locking key cooperating with said tapered shank to hold said slidable member in rigid adjusted position and having two faces at right angles to each other to cooperate with the right angular walls of the recess, and a screw operating member passing through said opening and connected to said locking key whereby the key is adjusted to locking position by sliding over the other of said right angular walls of the recess, said screw being diagonally disposed to the long axis of said tapered shank.

In witness whereof, I hereunto aflix my signature.

FRANK G. HAOHENEY.

Witnesses:

GEORGE W. WILSON, AGNES V. WILSON.

US1500310A 1923-07-16 1923-07-16 Wrench Expired - Lifetime US1500310A (en)

Priority Applications (1)

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US1500310A US1500310A (en) 1923-07-16 1923-07-16 Wrench

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667096A (en) * 1952-01-12 1954-01-26 Anskjaer Emil Rasmus Friction type wedge-lock means for slidable side jaw wrenches
US2672779A (en) * 1953-05-28 1954-03-23 Oswald M Gross Shank-grip, slidable jaw wrench
US2948175A (en) * 1958-11-12 1960-08-09 Teofil L Bonkowski Wedge-lock means for slidable side jaw wrenches

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667096A (en) * 1952-01-12 1954-01-26 Anskjaer Emil Rasmus Friction type wedge-lock means for slidable side jaw wrenches
US2672779A (en) * 1953-05-28 1954-03-23 Oswald M Gross Shank-grip, slidable jaw wrench
US2948175A (en) * 1958-11-12 1960-08-09 Teofil L Bonkowski Wedge-lock means for slidable side jaw wrenches

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