US490672A - James mccrudden - Google Patents
James mccrudden Download PDFInfo
- Publication number
- US490672A US490672A US490672DA US490672A US 490672 A US490672 A US 490672A US 490672D A US490672D A US 490672DA US 490672 A US490672 A US 490672A
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- US
- United States
- Prior art keywords
- singletree
- trace
- james
- hook
- strand
- 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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- 230000036633 rest Effects 0.000 description 2
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- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Percussion Or Vibration Massage (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Description
(No Model.)
J. MGCRUDDEN. WHIFPLETREE HOOK.
No. 490,672. Patented Jan. 31, 1893l A fm1/5885's mamy UNITED STATES `PATENT OFFICE. t
JAMES MCORUDDEN, OF FLINT, MICHIGAN, ASSIGNOR OF ONE-HALF TO ARTHUR R. CALDWELL, OF SAME PLACE.
WHIFFLETREE-HOOK.
SPECIFICATION forming part of Letters Patent No. 490,672, dated January 31, 1893. Application filed April 14, 1892. Serial No. 429,103. (No model.)
To all whom it may concern:
Be it known that I, JAMES MCORUDDEN, a citizen of the United States, residing at Flint, in the county of Genesee, State of Michigan, have invented certain new and useful Improvements in Trace-Locks; 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 to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.
This invention relates to new and useful improvements in attachments for singletrees; and especially to that class of devices known as trace-locks, and has for its object to provide simple and effective means for locking the traces of a harness to the end of the singletree, and also to support and retain the projecting ends of the traces, in such manner as to render less liable the disengagement of such parts, which has heretofore been the frequent cause of serious accident.
To this end my invention consists in the arrangement of certain parts as will be hereinafter more fully set forth, and particularly in the claim.
In the accompanying drawings forming a part of the specification;-Figure l is a perspective view of a portion of a pair of thills and singletree having my improved device mounted on the ends thereof. Fig. 2 is a topplan of one end of a singletree and attachment, showing by dotted lines the trace as held in position thereby. Fig. 3 is a side elevation of Fig. 2, the trace being omitted. Fig. 4 is a detail of the cap in perspective, for securing the body of the attachment to the singletree, a portion of which being also shown in position withinthe cap. y
Referring to the letters of reference, A indicates an ordinary pair of thills with the singletree B centrally pivoted on the cross rail O thereof.
E, E, represent my improved attachments, of which there are two, and are mounted on the upper face of the singletree b at or near its ends, as clearly shown in Fig. l. The body portion of the attachmentEconsists of a strand of spring wiredof suitable gage and resilience in which is formed near its center the single loop or coil e, (see Fig. 4), thus bringing the remaining straight portions of the strand adjacent and parallel to each other,`the shorter endfof said strand is then bent at right angle to the portion d at a point slightly in advance of the coil e, as shown in Figs. 2 and 4, the, extreme end of the portion f of said strand terminating in a downwardly projecting U-shaped hook h while the end of the portion CZ of the strand terminates in an upwardly extending inverted U-shaped hook n. The extreme point of the hook n together with the portion d and coil e of the strand rests on the upper face of the singletree b, while the upper end of the hook h of the portionfprojects at right angle to the former, and terminates on a line slightly above the face of the singletree B. (See Fig. 3.) The whole being secured to the upper face of the singletree by means of the screw c' and cap F the latter being formed'with the cavity a for the reception of the coil e, the connecting strands d andfof which pass through an aperture b formed in the flange P of said cap, as clearly shown in Fig. 4. Projecting from the edge of the ange P on the opposite sides of the cap F are lugs or spurs r having acuminating points that are adapted to enter the surface of the singletree when forced in contact therewith by means of the screw'i n which passes centrally through said cap and coil e (see Fig. 2) thus securing said cap against lateral movement; while the sides of the aperture b through which the strandsf and d pass, serve to retain said strands against similar movement, whereby the parts are simply and eifectually mounted by the employment of a single screw. The parts being thus mounted; to attach the trace to the end of the singletree, as shown in Fig. l, the hook fn, is raised to the dotted position, shown in Fig. 3, the trace is then placed on the end of the singletree which extends through its opening, in the usual way being placed directly under the hook which, when released, by its resilient nature will spring back to its former position bringing the side portions of the hook n astride the trace, as shown in Figs. l and 2,
IOO
which prevents its shifting or being disengaged. And to further secure its security, the projecting end of the trace is folded baek and placed in the U-shaped hook h which retains and supports it in a line parallel with the singletree, thus bringing the parts into a compact position and affording a neat and simple means for retaining the trace and singletree in engagement, as admitting of the disengagement with ease and dispatch, at will.
Having thus fully set forth my invention what I claim as new and desire to secure by Letters Patent, is-
A trace-look, consisting of a single strand of spring wire provided with an eye in the body portion thereof, one ofthe end portions of said strand extending directly from said In testimony whereof I affix my signature in 3o presence of two witnesses.
JAMES MCCRUDDEN.
Witnesses:
CoL. O. SWAYZE, L. R. BILLINGS.
Publications (1)
Publication Number | Publication Date |
---|---|
US490672A true US490672A (en) | 1893-01-31 |
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US490672D Expired - Lifetime US490672A (en) | James mccrudden |
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- US US490672D patent/US490672A/en not_active Expired - Lifetime
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