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US362768A - Whiffletree-hook - Google Patents

Whiffletree-hook Download PDF

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Publication number
US362768A
US362768A US362768DA US362768A US 362768 A US362768 A US 362768A US 362768D A US362768D A US 362768DA US 362768 A US362768 A US 362768A
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US
United States
Prior art keywords
hook
whiffletree
plug
spring
shell
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
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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
    • F16B45/00—Hooks; Eyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62C—VEHICLES DRAWN BY ANIMALS
    • B62C5/00—Draught assemblies
    • B62C5/04—Swingletrees; Mountings thereof; Draught equalisers for a span of draught animals; Mountings for traces

Definitions

  • Fig. 2 is a horizontal longitudinal section.
  • Figure l of the drawings is a representation of my invention and is a top view of the same.
  • My invention relates to whifiietree-hooks; and it consists in the construction and novel combination of parts, as'hereinafter set forth.
  • A designates a hollow metal shell, which is provided at its outer end with an upwardly-projecting integral hook, H.
  • a-sliding plug, B which is provided with a flanged neck, N, at its outer end, is re Devicd at P in its inner end, and is provided with an annular stop-flange, T, aronndits inner end, said flange T resting normally against a shoulder, U, when the plug B is projected I Serial No. 231,418. (No model.)
  • IV is a portion of awhiffletrce, to the end of which the shell A is secured byapin or otherwise.
  • the eye on the lug may be engaged or disengaged from the hook H.
  • the plug B prevents the tugeye from becomingaccidentally disengaged from the hook.
  • the construction is the same at each end of the whiffletree.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Emergency Lowering Means (AREA)

Description

(No Model.)
I E. S. MEAD. WHIPFLETREE HOOK.
No. 362,768. Patented May 10 1-887.
WITNESSES W I-llhognphen wnsmngwn. D. 0.
Fig. 2 is a horizontal longitudinal section.
UNITED STATES PATENT OFFICE.
EGBERT s. MEAD, or WINONA, MINNESOTA.
WHlFFLETREE-HOOK.
SPECIFICATION forming part of LettersPatent No. 362,768,dated May 10,1887.
Application filed March 18, 1887.
To all whom, it may concern.-
Be it known that I, EGBERT S. MEAD, a citizen of the United States, and a resident of Winona, in the county of Winona and State of Minnesota, have invented certain new and useful Improvements in WhiffletreeHooks; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art towhich it appertains to make and use the same, referencebeletters or figures of reference marked thereon,
which form a part of this specification.
Figure l of the drawings is a representation of my invention and is a top view of the same.
My invention relates to whifiietree-hooks; and it consists in the construction and novel combination of parts, as'hereinafter set forth.
Referring by letter to the accompanying drawings, A designates a hollow metal shell, which is provided at its outer end with an upwardly-projecting integral hook, H.
In the outer portion of the hollow shell A is seated a-sliding plug, B, which is provided with a flanged neck, N, at its outer end, is re cessed at P in its inner end, and is provided with an annular stop-flange, T, aronndits inner end, said flange T resting normally against a shoulder, U, when the plug B is projected I Serial No. 231,418. (No model.)
outwardly in its seat by the coil-spring S. The
.outer end of the spring S rests in the recess 1? in the inner end of the sliding plug, and the inner end of the spring S is provided with an eye which is secured to the inner wall of the shell A by a pin, R.
IV is a portion of awhiffletrce, to the end of which the shell A is secured byapin or otherwise.
By pushing the plug B inwardly in its seat the eye on the lug may be engaged or disengaged from the hook H. The plug B, however, prevents the tugeye from becomingaccidentally disengaged from the hook. The construction is the same at each end of the whiffletree.
Having described this invention, 'What I claim, and desire to secure by Letters Patent, 1s-
The combination of the hollow shell prov vided with the internal shoulder and the projecting hook, the recessed and flanged sliding plug, the coil-spring, and its securing-rivet, substantially as specified.
In testimony whereof I affix my signature in
US362768D Whiffletree-hook Expired - Lifetime US362768A (en)

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US362768A true US362768A (en) 1887-05-10

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US362768D Expired - Lifetime US362768A (en) Whiffletree-hook

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665950A (en) * 1947-09-15 1954-01-12 Wallace J S Johnson Portable scaffold unit
US2808975A (en) * 1954-08-02 1957-10-08 Palmquist Roland Eugene Pole rest attachments for ladders
US4776191A (en) * 1987-04-24 1988-10-11 Macdonald Sumner Key holder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665950A (en) * 1947-09-15 1954-01-12 Wallace J S Johnson Portable scaffold unit
US2808975A (en) * 1954-08-02 1957-10-08 Palmquist Roland Eugene Pole rest attachments for ladders
US4776191A (en) * 1987-04-24 1988-10-11 Macdonald Sumner Key holder

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