US185037A - Improvement in connecting-links for chains - Google Patents

Improvement in connecting-links for chains Download PDF

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US185037A
US185037A US185037DA US185037A US 185037 A US185037 A US 185037A US 185037D A US185037D A US 185037DA US 185037 A US185037 A US 185037A
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link
chains
links
improvement
mann
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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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
    • F16G15/02—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes for fastening more or less permanently
    • 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
    • F16B45/00—Hooks; Eyes
    • F16B45/02—Hooks with pivoting or elastically bending closing member
    • F16B45/035—Hooks with pivoting or elastically bending closing member the hook forming a loop or ring when interlocked with the closing member, i.e. the entire structure of the hook being loop shaped
    • 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
    • Y10S24/00—Buckles, buttons, clasps
    • Y10S24/30—Separable-fastener or required component thereof
    • Y10S24/31—Separable-fastener or required component thereof with third, detached member completing interlock
    • Y10S24/33—Third member includes independently engaged hooks for linking spaced cavities
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45005—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] with third detached member completing interlock [e.g., hook type]
    • Y10T24/45115—Hook
    • Y10T24/45126—Hook for connecting chains [e.g., opposed pivoted hook]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45272—Projection passes through cavity then moves toward noninserted portion of its member to complete interlock [e.g., snap hook]
    • Y10T24/45288—Hook type projection member
    • Y10T24/45293—Plural hooks entering opposite sides of same cavity

Definitions

  • This invention relates to an independent coupling-link, conforming in general appearance to the usual oblong link ofchain's, and is for the purpose of coupling or uncoupling two loose ends of a chain, or one end to a ring, staple, or any other attachment; and the invention consists in constructingthe said link of two equal halves, attached and swinging open in the center on a pivot or pin, the ends being beveled and lapping on each other, and each being provided with a feather or lug, with a corresponding recess to receive the lug when closed, to prevent spreading, 850., all as hereinafter described.
  • Figure 1 is a plan view of the link closed; Fig. 2, a plan of one-half of the link; Fig. 3, a side elevation, showing its connections. v
  • a A represent the two parts or halves of I the coupling-ring, both constructed alike, and
  • the two halves are held together by a center pin or pivot, b, which is fastened to onehalf, the other half swinging open, or .both may be loose on the pin.
  • each of the flattened ends aa are short uprightlugs orfeathers 00, which shut into corresponding recesses or openings-d d in each opposite half. This is to prevent'any spreading by an undue strain on the chain, and when the chainv is attached locks and binds the whole together.
  • the parts are made of steel or iron, to insure strength.
  • connection with a chain is made as follows: The two ends are opened by the fingers, and the end linkof a chain is first put over one of the flat ends a, and then over the other. The link is then over both of the parts of one end. To unite it to the other end of the chain, the opposite ends of the link are then opened, and the other end link first put over one end, a, and then the other, as at the opposite end, and the link shut, where it stays and cannot be opened by any jarring, wear, draft, or shaking. It is only opened by the hand separating the two halves and swinging them apart, and taking the chainlink from each end piece a a at a time.

Description

J. MANN.
' CONNECTING LINKS FOR CHAINS. 185 031 Patented Dec. 5, 1876.
Wfixwaw \Xwmhx, VW/PWW- 1 v gfiwmk, v Jfl @O'MQQ/ 4%,.
UNITED STATES PATENT OFFICE.
JAMES MANN, OF BUFFALO, NEW YORK, ASSIGNOR OF ONE-HALF OF'HIS RIGHT TO MANN BROTHERS, OF SAME PLACE.
IMPROVEMENT IN CONNECTING-LINKS FOR CHAINS.
Specification forming part of Letters Patent No. 185,037, dated December 5, 1876; application filed September 23, 1876.
ter to DANIEL MANN, both of same place,) have made certain Improvements in Connecting-Links for Chains, of-which the fol- .lowing is a specification:
This invention relates to an independent coupling-link, conforming in general appearance to the usual oblong link ofchain's, and is for the purpose of coupling or uncoupling two loose ends of a chain, or one end to a ring, staple, or any other attachment; and the invention consists in constructingthe said link of two equal halves, attached and swinging open in the center on a pivot or pin, the ends being beveled and lapping on each other, and each being provided with a feather or lug, with a corresponding recess to receive the lug when closed, to prevent spreading, 850., all as hereinafter described.
In the drawings, Figure 1 is a plan view of the link closed; Fig. 2, a plan of one-half of the link; Fig. 3, a side elevation, showing its connections. v
A A represent the two parts or halves of I the coupling-ring, both constructed alike, and
with the ends flattened or beveled ofi, as shown at a a, Figs. 2 and 3, so that one part shuts over the other when closed, presenting an unbroken and smooth surface, as in Figs. 1 and 3.
The two halves are held together by a center pin or pivot, b, which is fastened to onehalf, the other half swinging open, or .both may be loose on the pin.
On the inside of each of the flattened ends aa are short uprightlugs orfeathers 00, which shut into corresponding recesses or openings-d d in each opposite half. This is to prevent'any spreading by an undue strain on the chain, and when the chainv is attached locks and binds the whole together. The parts are made of steel or iron, to insure strength.
' The connection with a chain is made as follows: The two ends are opened by the fingers, and the end linkof a chain is first put over one of the flat ends a, and then over the other. The link is then over both of the parts of one end. To unite it to the other end of the chain, the opposite ends of the link are then opened, and the other end link first put over one end, a, and then the other, as at the opposite end, and the link shut, where it stays and cannot be opened by any jarring, wear, draft, or shaking. It is only opened by the hand separating the two halves and swinging them apart, and taking the chainlink from each end piece a a at a time.
There is no spring connected with it. It is strong and not liable to come apart, or to be broken in any way, and, in fact, is stronger than the usual chain-link. It is operated without punch, hammer, or rivet, and no amount of shaking or twisting will unhookit.
I claim a In combination with the two centrally-pivoted halves A A, the lugs c c, and corresponding recesses d d, constructed and operating substantially as and for the purpose specified.
In witness whereof I have hereunto signed my name in the presence of. two subscribing witnesses.
. JAMES MANN.
Witnesses:
J. P. DRAKE, DANIEL MANN.
US185037D Improvement in connecting-links for chains Expired - Lifetime US185037A (en)

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