US1885694A - Lock nut - Google Patents
Lock nut Download PDFInfo
- Publication number
- US1885694A US1885694A US606483A US60648332A US1885694A US 1885694 A US1885694 A US 1885694A US 606483 A US606483 A US 606483A US 60648332 A US60648332 A US 60648332A US 1885694 A US1885694 A US 1885694A
- Authority
- US
- United States
- Prior art keywords
- nut
- lock
- thread
- limbs
- web
- 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
Links
- 210000003414 extremity Anatomy 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking 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
- F16B39/38—Locking 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/02—Nuts or like thread-engaging members made of thin sheet material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/924—Coupled nut and bolt
- Y10S411/926—Positive lock
- Y10S411/928—Thread gripper
Definitions
- This invention relates to a lock-nut consisting of a U-shaped stirrup in which the threaded holes of two U-limbs are displaced parallel to one another.
- the lock-nut has given very good results in practice and has been found very resistant to vibration.
- the lock-nut has been especially effective when the force was applied near to the web connecting the two U-limbs. The point of application of the releasing force, however, depends on chance and cannot be controlled.
- the present invention is to improve such a lock-nut in such a manner that the point of application of the force which tends to 5 release it will be directed to a point close to the web.
- the axis of the thread cut in the holes of both limbs is slightly inclinedtoivards the lower edge.
- a further advantage of this construction of the lock-nut lies in the fact that a more 0 secure adhesion of the thread holes to the bolt, such as would arise on account of the displacement of the holes, is obtained even when the threads of the bolt and the locknut have reached or even fallen below, or exceeded, the minimum and maximum values respectively of the permissible tolerances.
- the lateral play which would occur between the bolt and the lock-nut, is avoided at least in part by the inclination of the axis to the thread.
- Fig. 1 shows a part of the device on an en'- larged scale
- Fig. 2 is a side elevation and plan of the device. 7
- the lock-nut consists of two parallel U- limbs a and b which are connected together by a web a.
- the two limbs have holes (1 and e in which continuous threads are cut.
- the locknut is placed on an oblique surface of a support U.
- the angle of inclination a of this oblique surface corresponds to the inclination of the axis of the thread.
- the lock-nut must be placed on the support in such a manner that its web is .at the lowest part so that the inclination of the thread runs towards 7 the lower edge 'of the axis X-X of the thread.
- a tool S of suitable construction is used for cutting the thread.
- the nut is removed from the support and its two holes are displaced by twisting the limbs. The displacement is eiiected in a direction parallel to the web.
- Fig. 2 the device for cutting the thread is shown on a smaller scale. It will be seen that a clamping cheek B, which can be displaced by means of an eccentric E and which engages the nut, is arranged on the support U.
- a lock-nut consisting of a U-shaped stirrup in which the threaded holes of the two U- limbs are displaced parallel to one another, characterized by the feature that the axis of the thread in the holes of the limbs is inclined towards the lower edge of the web oining the two limbs so that when the nut is screwed up it first touches the workpiece or the supporting nut at the side nearer to the web.
Description
Patented Nov. 1, 1932 UNITED STATES PATENT OFFICE LOCK NUT Application filed April 20, 1932, Serial No. 606,4 83, and in Germany April 22, 19 31.
This invention relates to a lock-nut consisting of a U-shaped stirrup in which the threaded holes of two U-limbs are displaced parallel to one another. The lock-nut has given very good results in practice and has been found very resistant to vibration. The lock-nut has been especially effective when the force was applied near to the web connecting the two U-limbs. The point of application of the releasing force, however, depends on chance and cannot be controlled.
The present invention is to improve such a lock-nut in such a manner that the point of application of the force which tends to 5 release it will be directed to a point close to the web. With this object in view, the axis of the thread cut in the holes of both limbs is slightly inclinedtoivards the lower edge.
of the web. The result is thereby obtained that the lower limb of the lock-nut always first touches the upper side of the supporting nut with itslower edge and at this point bears against it with the greatest pressure. The force tendihg to loosen it will, therefore, always be applied first at this point. This .force then acts in an axial direction on the web without tending to bend the bolt.
A further advantage of this construction of the lock-nut lies in the fact that a more 0 secure adhesion of the thread holes to the bolt, such as would arise on account of the displacement of the holes, is obtained even when the threads of the bolt and the locknut have reached or even fallen below, or exceeded, the minimum and maximum values respectively of the permissible tolerances. In this case the lateral play, which would occur between the bolt and the lock-nut, is avoided at least in part by the inclination of the axis to the thread.
In connection with two-limbed lock-nuts, it has already been proposed to bend one limb towards the other so that the hole in the bent limb is inclined to that in the other limb.
This direction, however, does not run towards the lower edge of the web connecting the two limbs, and this nut cannot, therefore, give the same results as the nut according to the invention.
0 A lock-nut according to the invention, to-
ether with a device suitable for making it, is lllustrated by way of example in the accompanying drawing.
Fig. 1 shows a part of the device on an en'- larged scale, 55 Fig. 2 is a side elevation and plan of the device. 7
The lock-nut consists of two parallel U- limbs a and b which are connected together by a web a. The two limbs have holes (1 and e in which continuous threads are cut.
According to the invention for cutting the .thread, according to the invention, the locknut is placed on an oblique surface of a support U. The angle of inclination a of this oblique surface corresponds to the inclination of the axis of the thread. The lock-nut must be placed on the support in such a manner that its web is .at the lowest part so that the inclination of the thread runs towards 7 the lower edge 'of the axis X-X of the thread. For cutting the thread, a tool S of suitable construction is used. After the thread has been cut, the nut is removed from the support and its two holes are displaced by twisting the limbs. The displacement is eiiected in a direction parallel to the web.
The angle of inclination a. is not shown to a scale on the drawing but is exaggerated for the sake of clearness. v p
In Fig. 2 the device for cutting the thread is shown on a smaller scale. It will be seen that a clamping cheek B, which can be displaced by means of an eccentric E and which engages the nut, is arranged on the support U.
What I claim is:
A lock-nut consisting of a U-shaped stirrup in which the threaded holes of the two U- limbs are displaced parallel to one another, characterized by the feature that the axis of the thread in the holes of the limbs is inclined towards the lower edge of the web oining the two limbs so that when the nut is screwed up it first touches the workpiece or the supporting nut at the side nearer to the web.
In testimony whereof I have signed my name to this specification.
ADOLF DYGKERHOFF.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE349541X | 1928-11-22 | ||
DED60966D DE547940C (en) | 1928-11-22 | 1931-04-23 | Screw locking |
Publications (1)
Publication Number | Publication Date |
---|---|
US1885694A true US1885694A (en) | 1932-11-01 |
Family
ID=25828336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US606483A Expired - Lifetime US1885694A (en) | 1928-11-22 | 1932-04-20 | Lock nut |
Country Status (5)
Country | Link |
---|---|
US (1) | US1885694A (en) |
DE (4) | DE482691C (en) |
FR (2) | FR637325A (en) |
GB (2) | GB286120A (en) |
NL (1) | NL20360C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422833A (en) * | 1943-05-17 | 1947-06-24 | Ronald D King | Stiff nut |
US2443066A (en) * | 1943-11-17 | 1948-06-08 | Charles B Breedlove | Threaded fastener of the anchor boot type |
DE3121771C2 (en) * | 1981-05-26 | 1990-05-31 | Mecano-Simmonds Gmbh, 6900 Heidelberg | One-piece clamp-like sheet metal nut |
FR2583470B1 (en) * | 1985-06-12 | 1988-01-29 | Rapid Sa | NUT |
CN110319103A (en) * | 2018-03-29 | 2019-10-11 | 罗章平 | Automatic anti-loosing screw nut and dedicated dismantling device |
-
0
- DE DEB130964D patent/DE465058C/en not_active Expired
- NL NL20360D patent/NL20360C/xx active
-
1927
- 1927-05-05 GB GB12097/27A patent/GB286120A/en not_active Expired
- 1927-06-09 FR FR637325D patent/FR637325A/en not_active Expired
-
1928
- 1928-11-23 DE DED57057D patent/DE482691C/en not_active Expired
- 1928-12-18 DE DED57255D patent/DE490310C/en not_active Expired
-
1929
- 1929-10-22 FR FR37523D patent/FR37523E/en not_active Expired
- 1929-11-22 GB GB35849/29A patent/GB349541A/en not_active Expired
-
1931
- 1931-04-23 DE DED60966D patent/DE547940C/en not_active Expired
-
1932
- 1932-04-20 US US606483A patent/US1885694A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE482691C (en) | 1929-09-18 |
DE490310C (en) | 1930-01-27 |
DE465058C (en) | 1928-09-06 |
GB349541A (en) | 1931-05-21 |
NL20360C (en) | |
DE547940C (en) | 1932-04-06 |
FR37523E (en) | 1930-12-20 |
FR637325A (en) | 1928-04-27 |
GB286120A (en) | 1928-03-01 |
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