US793737A - Nut-lock and bolt-lock combined. - Google Patents

Nut-lock and bolt-lock combined. Download PDF

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Publication number
US793737A
US793737A US19497504A US1904194975A US793737A US 793737 A US793737 A US 793737A US 19497504 A US19497504 A US 19497504A US 1904194975 A US1904194975 A US 1904194975A US 793737 A US793737 A US 793737A
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United States
Prior art keywords
bolt
nut
lock
flat surface
washer
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Expired - Lifetime
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US19497504A
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Eli Packer
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Individual
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    • 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
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • 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
    • Y10S411/945—Cross key
    • 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
    • Y10S411/998—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener with positive bolt lock

Definitions

  • My object is to prevent the dangers, accidents, and damages to machinery incident to nuts and bolts becoming loose; and myinvention consists in the construction, arrangement, and combination of a bolt, a nut, a washer, and a key to produce a combined nut and bolt lock, as hereinafter set forth, pointed out in my claims, and illustrated in the accompanying drawings, in which Figure 1 shows a bolt and its screw-thread ed end and part of its round central portion cut away to produce a fiat surface and plane extending from near its head and over the screwthreaded portion.
  • Fig. 2 shows a washer provided with an integral flat wedge extended at right angles and adapted to slide on the fiat surface of the bolt.
  • Fig. 1 shows a bolt and its screw-thread ed end and part of its round central portion cut away to produce a fiat surface and plane extending from near its head and over the screwthreaded portion.
  • Fig. 2 shows a washer provided with an integral flat wedge extended at right angles and adapted to slide on the fi
  • FIG. 3 shows the inside fiat face of a nut provided with a spline adapted for seating a key in such a manner that the key will engage the flat surface of the bolt to slide thereon whenever the nut is moved on the bolt.
  • Fig. 4C is a view, partly in section, that shows all the parts combined as required for practical use.
  • Fig. 5 shows the inside face of the nut provided with a plurality of transverse grooves or splines for the admission of a key, so that by turning the nut a quarter of a revolution one of the grooves will be brought into alinement with the flat surface of the bolt, as required to allow a key to be passed through the groove to lock all the parts together.
  • the numeral 10 designates a screw-bolt that may vary in size as desired. It is provided with a flat surface by cutting away orby pressure from its periphery the screw-threads and also a part of its round and central por- 5 tion to produce a flat plane. upon which a washer having a right-angled projection to engage the flat surface can slide but not'rotate.
  • the washer 12 has an integral extension 13 projecting at right angles from its inner edge and is pointed and sharpened and flat on its inner side and tapering on its outside and adapted to slide on the flat surface of the bolt and to penetrate wood or metal, through which the bolt may be extended, and its function is to aid in preventing the bolt from turning where a nut is drawn on the end of the bolt by power applied to the nut, as required, to force the nut to its limit on the bolt.
  • the nut 14 is provided with one or more transverse grooves 15 to serve as splines in which to seat a key.
  • the washer 12 is placed on the bolt in such a manner that the flat under surface of the wedge 13 will rest and slide on the flat surface of the bolt.
  • the nut 14 is then placed on the screw on the end of the bolt and advanced thereon by means of a wrench as required to force the wedge 13 into the space between the flat surface of the screw and the bore in the material through which the bolt is extended and to wedge fast therein, and when the nut is driven to its limit and one of the splines 15 is in alinement with the Hat surface of the bolt a key 16 is extended through the spline and its end bent at right angles as required to securely lock all the parts together, so that neither bolt, washer, or nut can turn relative to each other, because the washer and the nut are jointly locked on the bolt by means of the flat surface of the bolt to which they are fixed.
  • a washer having a central circular aperture and an integral right-angled projection at its inner edge, flat on its inside and tapering on its outside and adapted to engage a flat surface on a bolt and an object through which the bolt is extended and a bolt having a flat surface, for the purpose of preventing the bolt from turning when extended through a bore.
  • a bolt and nut lock comprising a bolt having a flat surface extended over the screw and plain surface, a Washer having an integral flat-faced Wedge extending at right angles from the inner edge, a nut having a spline across its inside face and a key seated in said spline in the nut to engage the flat surface of the bolt, arranged and combined to operate in the manner set forth for the purposes stated.

Description

No. 793,737. PATENTED JULY 4, 1905. E. PAGKER.
NUT LOOK AND BOLT LOCK COMBINED. APPLIQATION FILED FEB. 23. 1904.
Nrrnn STATES E Ll PA C K E R,
Patented July 4, 1905.
OF DES MOINES. IOlVA.
NUT-LOCK AND BOLT-LOCK COlVlBlNED.
SPECIFICATION forming part of Letters Patent No. 793,737, dated July 4, 1905.
Application filed February 23, 1904. Ser'ial No. 194,975.
To all whom, it may concern:
Be it known that l, ELI PACKER, a citizen of the United States, residing at Des Moines, in the county of Polk and State of lowa, have invented a new and useful Nut and Bolt Lock Combined, of which the following is a specification.
My object is to prevent the dangers, accidents, and damages to machinery incident to nuts and bolts becoming loose; and myinvention consists in the construction, arrangement, and combination of a bolt, a nut, a washer, and a key to produce a combined nut and bolt lock, as hereinafter set forth, pointed out in my claims, and illustrated in the accompanying drawings, in which Figure 1 shows a bolt and its screw-thread ed end and part of its round central portion cut away to produce a fiat surface and plane extending from near its head and over the screwthreaded portion. Fig. 2 shows a washer provided with an integral flat wedge extended at right angles and adapted to slide on the fiat surface of the bolt. Fig. 3 shows the inside fiat face of a nut provided with a spline adapted for seating a key in such a manner that the key will engage the flat surface of the bolt to slide thereon whenever the nut is moved on the bolt. Fig. 4C is a view, partly in section, that shows all the parts combined as required for practical use. Fig. 5 shows the inside face of the nut provided with a plurality of transverse grooves or splines for the admission of a key, so that by turning the nut a quarter of a revolution one of the grooves will be brought into alinement with the flat surface of the bolt, as required to allow a key to be passed through the groove to lock all the parts together. Fig. 6 is a perspective view of the washer and its integral wedge that projects at right angles and is adapted to engage and slide upon the flat surface of the bolt to aid in preventing the bolt from rotat- The numeral 10 designates a screw-bolt that may vary in size as desired. It is provided with a flat surface by cutting away orby pressure from its periphery the screw-threads and also a part of its round and central por- 5 tion to produce a flat plane. upon which a washer having a right-angled projection to engage the flat surface can slide but not'rotate. The washer 12 has an integral extension 13 projecting at right angles from its inner edge and is pointed and sharpened and flat on its inner side and tapering on its outside and adapted to slide on the flat surface of the bolt and to penetrate wood or metal, through which the bolt may be extended, and its function is to aid in preventing the bolt from turning where a nut is drawn on the end of the bolt by power applied to the nut, as required, to force the nut to its limit on the bolt. The nut 14: is provided with one or more transverse grooves 15 to serve as splines in which to seat a key.
In practical use when a bolt is extended through overlying parts that are to be clamped together the washer 12 is placed on the bolt in such a manner that the flat under surface of the wedge 13 will rest and slide on the flat surface of the bolt. The nut 14 is then placed on the screw on the end of the bolt and advanced thereon by means of a wrench as required to force the wedge 13 into the space between the flat surface of the screw and the bore in the material through which the bolt is extended and to wedge fast therein, and when the nut is driven to its limit and one of the splines 15 is in alinement with the Hat surface of the bolt a key 16 is extended through the spline and its end bent at right angles as required to securely lock all the parts together, so that neither bolt, washer, or nut can turn relative to each other, because the washer and the nut are jointly locked on the bolt by means of the flat surface of the bolt to which they are fixed. It is obvious a spring-key may be used in place of a solid key, as shown. lt is also obvious that by means of the flat face on a bolt and the washer having a flat-faced right-angled projection, as shown, the bolt will be locked, so that it cannot rotate when a screw is forced on or off the end portion of the bolt, and that this feature of the invention is greatly advantageous regardless as to what kind of a nut is used on the bolt.
Having thus set forth the purpose of my invention and the construction, arrangement, and combination of all the parts, the practical operation and utility thereof will be readily understood by mechanics and others familiar with the art to which it pertains.
What I claim as new, and desire to secure by Letters Patent, is-
1. In a bolt and nut lock, the combination of a washer having a central circular aperture and an integral right-angled projection at its inner edge, flat on its inside and tapering on its outside and adapted to engage a flat surface on a bolt and an object through which the bolt is extended and a bolt having a flat surface, for the purpose of preventing the bolt from turning when extended through a bore.
2. In a bolt and nut lock, the combination of a bolt having a flat surface extended from near its head and over the screw-threaded surface to its end and a washer having an integral wedge slidably connected with the said flat surface of the bolt, a nut on the bolt and means to lock the nut on the bolt, for the pur' poses stated.
3. A bolt and nut lock comprising a bolt having a flat surface extended over the screw and plain surface, a Washer having an integral flat-faced Wedge extending at right angles from the inner edge, a nut having a spline across its inside face and a key seated in said spline in the nut to engage the flat surface of the bolt, arranged and combined to operate in the manner set forth for the purposes stated.
ELI PACKER.
Witnesses:
L. L. LEIBROOK, THOMAS G. ORWIG.
US19497504A 1904-02-23 1904-02-23 Nut-lock and bolt-lock combined. Expired - Lifetime US793737A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976345A (en) * 1957-10-31 1961-03-21 Whitso Inc Insulated electric terminal
US3675956A (en) * 1971-04-19 1972-07-11 Dalton A Thomas Connector between transmission actuating shaft and arm therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976345A (en) * 1957-10-31 1961-03-21 Whitso Inc Insulated electric terminal
US3675956A (en) * 1971-04-19 1972-07-11 Dalton A Thomas Connector between transmission actuating shaft and arm therefor

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