US115889A - Improvement - Google Patents

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Publication number
US115889A
US115889A US115889DA US115889A US 115889 A US115889 A US 115889A US 115889D A US115889D A US 115889DA US 115889 A US115889 A US 115889A
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United States
Prior art keywords
groove
nut
bolt
spring
phipps
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Expired - Lifetime
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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
    • F16B39/28—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
    • F16B39/32—Locking by means of a pawl or pawl-like tongue
    • 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
    • Y10S411/929—Thread lock
    • Y10S411/939—Longitudinal 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
    • Y10S411/924—Coupled nut and bolt
    • Y10S411/929—Thread lock
    • Y10S411/941—Side clutch

Definitions

  • Figure 1 is a perspective View; Fig. 2, an end elevation. Figs. 3 and 4 are views of parts detached.
  • the object of this invention is to produce a device which, of itself, will allow a nut to be screwed inward on its bolt, but will prevent the same from being turned outward or removed from the bolt; and it consists in providing said bolt with a longitudinal wedgeshaped groove of a depth less than half the diameter of the bolt, in which groove is located a curved piece of spring steel running longitudinally of the same, being exactly the width of one side of said groove, as will hereinafter more fully appear.
  • A represents the bolt, which is provided with a suitable thread, and has a longitudinal wedge-shaped groove, B, which extends into the' same toward the center, as shown, its depth being less than half the diameter of the bolt A.
  • a piece of spring-steel, G which extends from the pointed bottom of said groove to the top of the same, its outer edge being sharpened and exactly flush with the periphery of the bolt A, as shown in Fig. 2.
  • the piece 0 is slightly curved, as shown in Fig. 4;. 1) represents the nut, which is of the usual form.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)

Description

WILLIAM PHIPPS.
Improvement in Nut Locks.
Patented June I3, 7871.
Fig.2.
5 E 5 S e nu I... -I.
WILLIAM H. PHIPPS, OF SOUTHBOROUGH, MASSACHUSETTS.
lMPRQVEMENT IN NUT-LOCKS.
Specification forming part of Letters Patent No. 115,889, dated June 13, 1871.
I, WILLIAn H. PHIPPs, of Southborough, in the county of Worcester and State of Massachusetts, have invented certain Improvements in Nut-Locks, of which the following is a specification:
Figure 1 is a perspective View; Fig. 2, an end elevation. Figs. 3 and 4 are views of parts detached.
The object of this invention is to produce a device which, of itself, will allow a nut to be screwed inward on its bolt, but will prevent the same from being turned outward or removed from the bolt; and it consists in providing said bolt with a longitudinal wedgeshaped groove of a depth less than half the diameter of the bolt, in which groove is located a curved piece of spring steel running longitudinally of the same, being exactly the width of one side of said groove, as will hereinafter more fully appear.
A represents the bolt, which is provided with a suitable thread, and has a longitudinal wedge-shaped groove, B, which extends into the' same toward the center, as shown, its depth being less than half the diameter of the bolt A. In the groove B, and resting against one side thereof, is a piece of spring-steel, G, which extends from the pointed bottom of said groove to the top of the same, its outer edge being sharpened and exactly flush with the periphery of the bolt A, as shown in Fig. 2. The piece 0 is slightly curved, as shown in Fig. 4;. 1) represents the nut, which is of the usual form.
Operation. In screwing up the nut D itis turned in the direction of the arrow, Fig.2, and its bore passes over the sharpened edge of spring 0 without obstruction, the latter bearin g against 1 the side of the groove B; but when the nut is turned in the opposite direction the edge of Fig. 3, can be inserted in the groove B, as
shown in dotted lines in Fig. 2, thereby holding the spring 0 tightly against the side of groove B, and allowing the nut to be turned in either direction. The spring 0 is prevented from falling from groove B by a projection, I, or other suitable device.
Claim.
The nut-lock described, consisting of bolt A,
having wedge-shaped groove B and curved spring-plate O I, substantially as described.
In testimony whereot'I have sign ed my name to this specification in the presence of two subscribing witnesses.
Witnesses: WILLIAM H. PHIPPS.
CARROLL D. WRIGHT, CHARLES F. Bnoww.
US115889D Improvement Expired - Lifetime US115889A (en)

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US115889D Expired - Lifetime US115889A (en) Improvement

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