US728489A - Trace-holder. - Google Patents

Trace-holder. Download PDF

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Publication number
US728489A
US728489A US12559602A US1902125596A US728489A US 728489 A US728489 A US 728489A US 12559602 A US12559602 A US 12559602A US 1902125596 A US1902125596 A US 1902125596A US 728489 A US728489 A US 728489A
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United States
Prior art keywords
arm
trace
singletree
spring
holder
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Expired - Lifetime
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US12559602A
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John U Metzger
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Individual
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Priority to US12559602A priority Critical patent/US728489A/en
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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

Definitions

  • TRAGE' HOLDER APrLmATIoN EILED'OOT. 1, 1902.
  • Figure l is a side view of the trace-holder, showing a portion of the singletree in section.
  • Fig. 2 is a plan view of the same.
  • Fig. 3 is a cross'section taken on the line w m in Fig. 2.
  • A isa portion of a singletree provided with a hole b near its end and having a central longitudinal and tapering groove I) extending from the said hole toward the middle part of the singletree.
  • B is the end portion of a trace, provided with a slot 0 in the usual manner for engaging with the end portion of the singletree.
  • O is a fiat spring-arm secured in the groove b of the singletree by a screw d.
  • the springarm is widest and thinnest at its fixed endand tapers in each direction toward its free end.
  • a round rod e At the free end of the arm (3 there is a round rod e, which is set at substantially a right angle to the said arm C and which slides in the hole I).
  • an inverted-U-shaped loop f is formed, the end f of which forms a stop which normally rests on the singletree.
  • An outwardlycurved and inclined finger-piece F projects from the stop f away from the loop f. This finger-piece is flattened and tapered.
  • the trace is slid into engagement with the loop by pressing-it hard against the inclined fingerpiece, so as to raise the loop.
  • The-loop holds the trace securely conneotedto the singletree until the loop is raised by hand.
  • the groove of the singletree protects the spring-arm, and the peculiar double tapering form of the spring-arm enables it to withstand wear and accidents, which would otherwise distort it,
  • the bottom of the groove forms a stop,which prevents the springarm from; being sprung to such an extent as to injure its elasticity.
  • the spring-arm O- is inclineddownwardly in onedirection, and the bottom of the guidegroove 5 is inclined upwardly in the reverse direction, so that when the finger-piece F is raised the bending of the spring-arm is dis.- tributed over its length, the bottom of the groove forming a bearing for the spring-arm to 'bend upon.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

PATENTED MAY, 19. 1903.
I J. U. METZGEB.
TRAGE' HOLDER. APrLmATIoN EILED'OOT. 1, 1902.
FIE| l INVENYLOR. 1 ZZ ITNESSES THE uonms PETERS Pmmuwo; WASHINGTON, 0.1:.
No. 728,489. e
Patented May 19, 1903.
PATENT ()FFICE.
JOHN U. METZGER, OF OWANEOO, ILLINOIS.
TRACE-HOLDER.
SPECIFICATION forming part of Letters Patent No. 728,489, dated May 19, 1903.
7 Application filed October 1, 1902. Serial No. 125,596. (No model.)
bination of the partshereinafter fully described and claimed.
In the drawings, Figure l is a side view of the trace-holder, showing a portion of the singletree in section. Fig. 2 is a plan view of the same. Fig. 3 is a cross'section taken on the line w m in Fig. 2.
Aisa portion of a singletree provided with a hole b near its end and having a central longitudinal and tapering groove I) extending from the said hole toward the middle part of the singletree.' 1
B is the end portion of a trace, provided with a slot 0 in the usual manner for engaging with the end portion of the singletree.
O is a fiat spring-arm secured in the groove b of the singletree by a screw d. The springarm is widest and thinnest at its fixed endand tapers in each direction toward its free end. At the free end of the arm (3 there is a round rod e, which is set at substantially a right angle to the said arm C and which slides in the hole I). At the other end of the rod 6 an inverted-U-shaped loop f is formed, the end f of which forms a stop which normally rests on the singletree. An outwardlycurved and inclined finger-piece F projects from the stop f away from the loop f. This finger-piece is flattened and tapered. The trace is slid into engagement with the loop by pressing-it hard against the inclined fingerpiece, so as to raise the loop. The-loop holds the trace securely conneotedto the singletree until the loop is raised by hand. The groove of the singletreeprotects the spring-arm, and the peculiar double tapering form of the spring-arm enables it to withstand wear and accidents, which would otherwise distort it,
and still be very elastic. The bottom of the groove forms a stop,which prevents the springarm from; being sprung to such an extent as to injure its elasticity.
The spring-arm O-is inclineddownwardly in onedirection, and the bottom of the guidegroove 5 is inclined upwardly in the reverse direction, so that when the finger-piece F is raised the bending of the spring-arm is dis.- tributed over its length, the bottom of the groove forming a bearing for the spring-arm to 'bend upon.
What I, claim is- The combination, with a singletree having a hole near one end and a guide-groove extending from the said hole and having an inclined bottom, of a spring-arm secured at one end to the said singletree and working in the said groove, said spring-arm being widest and thinnest at its fixed end and tapering in each direction toward its free end and normally inclined in the reverse direction to the bottom of the said groove which forms a bearing for it to bend on, said spring-arm having a rod at its free end which slides in the said hole JOHN U. ll/IETZGER.
Witnesses: I
W. H. BARRETT, A. LAWTON.
US12559602A 1902-10-01 1902-10-01 Trace-holder. Expired - Lifetime US728489A (en)

Priority Applications (1)

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US12559602A US728489A (en) 1902-10-01 1902-10-01 Trace-holder.

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US12559602A US728489A (en) 1902-10-01 1902-10-01 Trace-holder.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210355767A1 (en) * 2017-04-10 2021-11-18 Sandvik Mining And Construction Usa, Llc Automated drill bit changer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210355767A1 (en) * 2017-04-10 2021-11-18 Sandvik Mining And Construction Usa, Llc Automated drill bit changer

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