US2007293A - Lock-nut and method of making same - Google Patents

Lock-nut and method of making same Download PDF

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Publication number
US2007293A
US2007293A US676661A US67666133A US2007293A US 2007293 A US2007293 A US 2007293A US 676661 A US676661 A US 676661A US 67666133 A US67666133 A US 67666133A US 2007293 A US2007293 A US 2007293A
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United States
Prior art keywords
nut
blank
lock
extension
threads
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Expired - Lifetime
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US676661A
Inventor
August J Cayouette
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August J Cayouette
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Priority to US676661A priority Critical patent/US2007293A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/38Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt with a second part of the screw-thread which may be resiliently mounted

Description

Jul s, 1935.
A. J. cAYouETrE LOCK NUT AND METHOD OF MAKING SAME Filed June 20, 1933 gwomlioz a. zayoweite War/wag Patented Jul 9, 1935 t 2,007,293
UNITED STATES PATENT OFFICE August- J. Cayouette, Euclid, Ohio Application June 20, 1933, Serial No. 676,661 7 Claims. (Cl. 10-.86)
This invention relates to lock-nuts and method preferably aw Cuts therethleugh thereby leavof making same, and has for its main object to h s o ct ec s 9 a d "I at a t ca y provide a lock-nut of simple construction and Opp s points a d at 8- ig t a gleto and beeconomical -manufacture, which is practical in tween said slots. In order to prevent damage o application and removal, and is eflicient against the threads of the bolt, or nut, or both when 5 jarring loose by vibratio the nut is being applied or removedfrom. a
Another object of the invention is to provide a threaded member, the e ds t th inner sides lock-nut of the above character, having a tubuof the necks 9 and ID are enti y cut away, preflar extension with thin springy walls, which exra ly on a ra n s shown at H nd 10 tension is threaded as is the body of the nut and by broaching or punching. The opposite walls, 10 its opposite walls compressed to a less diameter indicated y and (if e ul e ension than same for gripping the bolt, shaft, or other 2 a ve the l s 1 nd 8 r p v ly. r c mthreaded member to which the lock-nut is appressed w y independently of and wi plied for retaining it thereon. distorting the body or the threads of the nut so With the above and other objects in vie the that the distance between the inner threaded 15 invention will be hereinafter fully described as i s t r s Slightly leSS than the inner illustrated in the accompanying drawing, and ameter of the threads of the body 'of the nut, the novel features thereof will be distinctly pointthereby fo m an l threaded Opening in ed out in the appended claims, said tubular extension as shown in Fig. 6. The
In the several views, of the drawing, similar Opp s Walls and 0f the 1illbulm' eXtenSiOn 20 characters of reference are used to indicate cor- 2 are the pr p d e p t for exerting responding parts. maximum thread contact with the member to Figure 1 is an elevation of a nut-blank con- W ich the nut is pp The eads 5 ar structed in accordance with my invention, preferably tapped after the slots 1 and 8 are Fig. 2 is aplan view of Fig. 1, cut and the cutting away of the inner sides of 25 Fig. 3 is'a similar view to'Fig. 1, with side slots the necks. The nut is now ready to be heat cut in the tubular extension, treated for giving hardness and strength there- Fig. 4 is a sectional elevation taken on line to, also proper temper for producing efiicient 4-4 of Fig. 3, resiliency of the tubular extension to cause it to Fig. 5 is a cross-sectional plan view taken on grip and thereby retain the nut upon the member 30 line 55 of Fig. 3, and to which it is threaded. This lock-nut is manu- Fig. 6 is a plan view of the finished lock-nut. factured from alloy steel or other suitable mate- The lock-nut is constructed of a single piece of rial, and is so treated that it ill remain efiicient suitable material, and the blank therefor may even after application and removal many times e a Casting, a forging, or a piece milled from a and when subjected in use to great heat. 35
hexagon or other form of bar material. In the From the drawing and description, it is seen draw t dy o t u designated y I, is that this lock-nut is practical to manufacture and o S a da S pe and Size, and formed integrally efficient in use, and it is to be understood that therewith at its uppe o outer end is a central slight changes in the details of construction may 40 e tensi The b y I a its extension 2 are be made within the scope of the claims without 40 provided in any suitable manner with a central departing from the i ti cylindrical Opening 3 extending from the Contact Having fully described my invention, what I face t of said body to an outer end 5 of said exclaim tension, The central cylindrical opening 3 is The method of manufacturing lockmut, 4 of uniform diameter and Proper Size for Stand consisting of providing'a nut-blank with a tubular am threads, indicated by 6, for application of extension, providing slots through opposite walls the t in the usual m to a bolt other of said tubular extension at the juncture theret ea memberof with the nut-blank, providing said nut-blank Th nut already described would not be anyand said tubular extension with threads, comthing more than Ordinary, in other Words, Said pressing said opposite walls of said tubular ex- 50 nut has no m ans for locking itself to threaded tension to make its threads a distance less than member. The locking feature of the nut will the diameter of the threads in said other part of i now be described: said nut-blank, and treating said nut-blank to Extension 2 a its juncture with the body of make its said tubular extension resilient. the nut is provided with opposite slots 1 and 8 2. The method of manufacturing a lock-nut, 55
consisting of providing a nut-blank with a tubular extension, providing slots through opposite 'walls of said tubular extension at the juncture thereof with the nut-blank thereby leaving necks, providing said nut-blank and said tubular extension with threads, cutting away the threads of said necks, compressing said opposite walls of said tubular extension to make its threads a distance less than the diameter of the threads in said other part of said nut-blank, and heat treating said nut-blank to make its said tubular extension resilient.
3. A lock-nut comprising a nut-blank having a tubular extension, the wall of the tubular extension having opposite slots cut therethrough at its juncture with the nut-blank, said nut-blank and tubular extension being threaded, the .opposite walls of said tubular extension being compressed 5; A lock-nut comprising a nut-blank having a tubular extension, the wall of the tubular extension having opposite slots cut therethrough at its juncture with the nut-blank and leaving necks, said nut-blank and tubular extension being threaded, the inner sides of said necks being'on a straight line at right angle to said slots and a distance apart equal to the greater diameter of said threads of said nut-blank, said nut-blank being hard and said tubular extension being resilient for retaining said nut-blank on a threaded member.
6. A nut-lock comprising a nut-blank having a tubular'extension, the tubular extension having a thin wall of uniform thickness, the wall of said extension having opposite slots at its juncture with the nut-blank, said nut-blank and extension being threaded, the opposite walls of said extension and above said slotsbeing compressed and its threads less in diameter than the threads in said nut-blank, and said extension being resilient.
'7. A nut-lock comprising a nut-blank having a tubular extension, said nut-blank and extension being threaded, said threads of said extension being separated by an intervening space from the threads of said nut-blank, opposite walls of said extension being compressed and the threads thereof being less in diameter than the threads of said nut-blank, and said extension being resilient.
AUGUST J. CAYOUET'IE.
US676661A 1933-06-20 1933-06-20 Lock-nut and method of making same Expired - Lifetime US2007293A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443614A (en) * 1944-09-23 1948-06-22 Orrin D Gray Lock nut
US2445696A (en) * 1944-03-02 1948-07-20 Harry B Rudd Lock nut
US2454444A (en) * 1944-04-24 1948-11-23 Illinois Tool Works Lock nut and method of making same
US2454443A (en) * 1943-10-11 1948-11-23 Illinois Tool Works Grip nut
US2477430A (en) * 1943-06-24 1949-07-26 Swanstrom Klas Arent Locking nut and method of manufacturing the same
US2490728A (en) * 1945-06-22 1949-12-06 Duncan B Cox Self-locking nut
US2563162A (en) * 1945-11-23 1951-08-07 Dana C Eckenbeck Method of making self-binding nuts
US2567933A (en) * 1944-09-23 1951-09-18 Orrin D Gray Lock nut
US2653641A (en) * 1951-04-25 1953-09-29 Wellman Fred Stop nut
US4518295A (en) * 1983-06-20 1985-05-21 Textron Inc. Multi-part fastening nut, including jam nut
US4793754A (en) * 1982-07-07 1988-12-27 Vetco Gray Inc. Process for locking two screwed elements and elements for carrying out this process
US20050260057A1 (en) * 2004-05-21 2005-11-24 Hiroaki Migita Looseness preventive nut
US20090269160A1 (en) * 2005-11-18 2009-10-29 Katsuyuki Totsu Loosening Preventive Fastener for Screw Tool, and Manufacturing Method and Manufacturing Apparatus Therefor
US9401578B2 (en) 2012-11-12 2016-07-26 Dubuis Et Cie Device for fixing an electrical connection terminal to a support

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477430A (en) * 1943-06-24 1949-07-26 Swanstrom Klas Arent Locking nut and method of manufacturing the same
US2454443A (en) * 1943-10-11 1948-11-23 Illinois Tool Works Grip nut
US2445696A (en) * 1944-03-02 1948-07-20 Harry B Rudd Lock nut
US2454444A (en) * 1944-04-24 1948-11-23 Illinois Tool Works Lock nut and method of making same
US2567933A (en) * 1944-09-23 1951-09-18 Orrin D Gray Lock nut
US2443614A (en) * 1944-09-23 1948-06-22 Orrin D Gray Lock nut
US2490728A (en) * 1945-06-22 1949-12-06 Duncan B Cox Self-locking nut
US2563162A (en) * 1945-11-23 1951-08-07 Dana C Eckenbeck Method of making self-binding nuts
US2653641A (en) * 1951-04-25 1953-09-29 Wellman Fred Stop nut
US4793754A (en) * 1982-07-07 1988-12-27 Vetco Gray Inc. Process for locking two screwed elements and elements for carrying out this process
US4518295A (en) * 1983-06-20 1985-05-21 Textron Inc. Multi-part fastening nut, including jam nut
US20050260057A1 (en) * 2004-05-21 2005-11-24 Hiroaki Migita Looseness preventive nut
US7192233B2 (en) * 2004-05-21 2007-03-20 Eco World Company, Limited Looseness preventive nut
US20090269160A1 (en) * 2005-11-18 2009-10-29 Katsuyuki Totsu Loosening Preventive Fastener for Screw Tool, and Manufacturing Method and Manufacturing Apparatus Therefor
US9401578B2 (en) 2012-11-12 2016-07-26 Dubuis Et Cie Device for fixing an electrical connection terminal to a support

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