US431324A - Screw-nut - Google Patents

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Publication number
US431324A
US431324A US431324DA US431324A US 431324 A US431324 A US 431324A US 431324D A US431324D A US 431324DA US 431324 A US431324 A US 431324A
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Prior art keywords
nut
cover
screw
collar
secured
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/14—Attaching disc body to hub ; Wheel adapters

Definitions

  • This invention relates to that class of screwnuts which are closed at one end by means of a cover, which is secured to the body of the nut after the screw-th read has been formed in the same, and which are principally used on the axles and other parts of vehicles.
  • the object of my invent-ion is to construct the nut and cover in such manner that the cover can be readily secured to the body of the nut without interfering with the screwthread; and my invention consists of the improvements which will be hereinafter fully set forth, and pointed out in the claim.
  • Figure 1 represents a longitudinal section of the nut before the cover is secured thereto.
  • Fig. 2 is a sectional view of the cover.
  • Fig. 3 is a front elevation of the nut before the cover is secured thereto.
  • Fig. i is a longitudinal section of the finished nut.
  • ' A represents the body of the nut, which is provided with the central opening or bore a, extending from end to end of the body.
  • This bore is provided with an internal screw-th read by driving a suitable tool far enough through the opening to form a screw-thread of uniform depth and diameter throughout the entire length of the opening.
  • 0 represents a contracted collar formed at the front end of the body of the nut around the opening a.
  • This collar is made smaller in diameter than the width of the nut and is provided on its external surface with a pcripheral bead.
  • D represents the cover, which is secured to the front end of the nut to close the opening a.
  • This cover is provided with a marginal eylindrical flanged of the proper size to fit snugly around the beaded collar 0 when applied thereto.
  • the cover is applied with its flange d to the collar 0 and then spun or bent over said collar, as represented in Fig. 4.
  • the cover is securely attached to the body of the nut and a smooth and finished appearance is produced, resembling closelya nut in which the cover is made integral with the body of the nut.
  • the collar 0 forms a rigid support for the flange (Z during the operation of spinning or bending the flan ge, so that the necessary pressure can be applied to the flange (1 without injury to the serew-threadin the outer portion of the body of the nut.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Description

(No Model.)
0. 0. BRADLEY.
SCREW NUT.
No. 431,324. Patented July 1, 1890.
UNITED STATES PATENT OFFICE.
CHRISTOPHER C. BRADLEY, OF SYRAOUSE, NEWV YORK.
SCREW-NUT.
SPECIFICATION forming part of Letters Patent No. 431,324, dated July 1, 1890.
Application filed October 15, 1887. Serial No. 252,417- (No model.)
To all whom it may concern.-
Be it known that I, CHRISTOPHER C.BRAD- LEY, of Syracuse, in the county of Onondaga and State of New York, have invented a new and useful Improvement in Screw-Nuts, of which the following is a specification.
This invention relates to that class of screwnuts which are closed at one end by means of a cover, which is secured to the body of the nut after the screw-th read has been formed in the same, and which are principally used on the axles and other parts of vehicles.
The object of my invent-ion is to construct the nut and cover in such manner that the cover can be readily secured to the body of the nut without interfering with the screwthread; and my invention consists of the improvements which will be hereinafter fully set forth, and pointed out in the claim.
In the accompanying drawings, Figure 1 represents a longitudinal section of the nut before the cover is secured thereto. Fig. 2 is a sectional view of the cover. Fig. 3 is a front elevation of the nut before the cover is secured thereto. Fig. i is a longitudinal section of the finished nut.
Like letters of reference refer to like parts in the several figures.
' A represents the body of the nut, which is provided with the central opening or bore a, extending from end to end of the body. This bore is provided with an internal screw-th read by driving a suitable tool far enough through the opening to form a screw-thread of uniform depth and diameter throughout the entire length of the opening.
0 represents a contracted collar formed at the front end of the body of the nut around the opening a. This collar is made smaller in diameter than the width of the nut and is provided on its external surface with a pcripheral bead.
D represents the cover, which is secured to the front end of the nut to close the opening a. This cover is provided with a marginal eylindrical flanged of the proper size to fit snugly around the beaded collar 0 when applied thereto.
In order to secure the cover D permanently to the body of the nut, the cover is applied with its flange d to the collar 0 and then spun or bent over said collar, as represented in Fig. 4. By this means the cover is securely attached to the body of the nut and a smooth and finished appearance is produced, resembling closelya nut in which the cover is made integral with the body of the nut. The collar 0 forms a rigid support for the flange (Z during the operation of spinning or bending the flan ge, so that the necessary pressure can be applied to the flange (1 without injury to the serew-threadin the outer portion of the body of the nut.
I claim as my invention- The co1nbination,with the body of the screwnut having its outer end provided with a contracted collar having a peripheral head, of a cover provided with a marginal flange which is closed over the bead of the eollar,substantially as set forth.
l/Vitness my hand this 28th day of September, 1887.
CHRISTOPHER C. BRADLEY. Witnesses: v
CALVIN S. BUNNELL, ORLANDO O. Wnsr.
US431324D Screw-nut Expired - Lifetime US431324A (en)

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