US759418A - Mine-timber. - Google Patents

Mine-timber. Download PDF

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Publication number
US759418A
US759418A US19197504A US1904191975A US759418A US 759418 A US759418 A US 759418A US 19197504 A US19197504 A US 19197504A US 1904191975 A US1904191975 A US 1904191975A US 759418 A US759418 A US 759418A
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United States
Prior art keywords
mine
timbers
timber
tenon
beveled
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Expired - Lifetime
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US19197504A
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David W Brunton
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Individual
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Priority to US19197504A priority Critical patent/US759418A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/344—Plural pairs of axially aligned members

Definitions

  • One object of the present invention is to obviate the dislocation of the joint in round mine-timbers having beveled end-s and to resist shock from any position and maintain the joint in position when the explosion ocours.
  • the invention consists in a post, cap, and girth, each having a rectangular or square tenon centrally arranged and with adjacent rearwardly-beveled edges, so that while these rectangular tenons are matched and adapted to prevent the longitudinal dislocation of the joint the beveled edges serve to utilize the full circumference of the mine-timbers, with all the incidental advantages set forth in my Patent No. 692,111, dated January 28, 1902.
  • Figure l is a side elevation and end development of the post.
  • Fig. 2 is a side elevation and end development of the cap.
  • Fig. 3 is a side elevation and end development of the girth.
  • Fig. 4 is a perspective View of these three timbers about to be assembled in a joint.
  • Fig. 5 is a perspective View of the three timbers assembled in a joint and ready to receive any additional timbers.
  • v a is the post of round timber having the rectangular end tenons b and the four slanting or beveled edges 0 adjacent thereto.
  • . d is the cap having the end tenons e, which rise from subtenons j, which in turn rise from flat bases 9 at the ends of the timber,
  • the said tenons f having two parallel walls flush with the walls of the tenon.
  • the bevels h diverge from the base g.
  • 2' is the girth, whose endsjare flat, and from these flat ends extend the rectangular tenons k.
  • the beveled sides Z of the girth diverge from the ends 7'.
  • the tenon b of the post when set upright serves to receive the tenon e of the cap and the tenon 7c of the girth, and this tenon k of the girth cooperates with both the tenon and the subtenon of the cap, and
  • What I claim is 1. Round mine-timbers, having rectangular tenons projecting from flat bases at the ends of the said timbers, the sides of the timbers next the bases being beveled.
  • a mine-timber cap having beveled ends, witnesseses: IO a fiat base, a subtenon projecting from said LEONARD G. BIGNELL,

Description

PATENTED MAY 10, 1904. I
D. W. BRUNTON.
MINE TIMBER.
APPLICATION FILED FEB. 4, 1904.
N0 MODEL.
Patented May 10, 1904.
PATENT OFFICE.
DAVID W. BRUNTON, OF DENVER, COLORADO.
MINE-TIMBER.
SPECIFICATION forming part of Letters Patent No. 759,418, dated May 10, 1904. Application filed February 4, 1904. Serial No. 191,975. (No model.)
To all whom, it nay concern:
Beit known that I, DAVID W. BRUNTON, a
subject of the King of Great Britain, (but having declared my intention of becoming a citizen of the United States,) residing at Denver, in the county of'Denver and State of Colorado, have invented a certain new and useful Improvement in Mine-Timbers, of which the following is a full, clear, and exact description.
In the use of round mine-timbers formed with a beveled joint it often happens that blasts are fired close to the timbers after the timbers have been placed in position, but before they are securely wedged against the walls and roof of the mine-openings, and as a result the force of the explosion often drives the timbers out of position by causing them to slide along the beveled sides of the oint.
One object of the present invention is to obviate the dislocation of the joint in round mine-timbers having beveled end-s and to resist shock from any position and maintain the joint in position when the explosion ocours.
The invention consists in a post, cap, and girth, each having a rectangular or square tenon centrally arranged and with adjacent rearwardly-beveled edges, so that while these rectangular tenons are matched and adapted to prevent the longitudinal dislocation of the joint the beveled edges serve to utilize the full circumference of the mine-timbers, with all the incidental advantages set forth in my Patent No. 692,111, dated January 28, 1902.
In the accompanying drawings, illustrating the invention, in the several figures of which like parts are similarly designated, Figure l is a side elevation and end development of the post. Fig. 2 is a side elevation and end development of the cap. Fig. 3 is a side elevation and end development of the girth. Fig. 4 is a perspective View of these three timbers about to be assembled in a joint. Fig. 5 is a perspective View of the three timbers assembled in a joint and ready to receive any additional timbers. I
v a is the post of round timber having the rectangular end tenons b and the four slanting or beveled edges 0 adjacent thereto.
. d is the cap having the end tenons e, which rise from subtenons j, which in turn rise from flat bases 9 at the ends of the timber,
the said tenons f having two parallel walls flush with the walls of the tenon. The bevels h diverge from the base g.
2' is the girth, whose endsjare flat, and from these flat ends extend the rectangular tenons k. The beveled sides Z of the girth diverge from the ends 7'.
As shown in Fig. 5, the tenon b of the post when set upright serves to receive the tenon e of the cap and the tenon 7c of the girth, and this tenon k of the girth cooperates with both the tenon and the subtenon of the cap, and
the end bases 9 and jot the cap and girth also interlock.
By .the construction described and by reason of the interlocking of the various tenons when the timbers are placed in position, as shown in Fig. 5, none of the members can be driven back out of place by slipping of the beveled joint, and therefore in underground working it is possible for the miners to continue their blasting without any reference to the working of the timber men building them.
What I claim is 1. Round mine-timbers, having rectangular tenons projecting from flat bases at the ends of the said timbers, the sides of the timbers next the bases being beveled.
2. Mine-timbers, comprising a post, cap
and girth, each provided with truncated py- .ramidal ends having rectangular tenons probase, and a rectangular tenon projecting beyond the subtenon, parallel Walls of two sides yond the subtenon. of the said tenons being coincident, and the 5. A mine-timber cap, having beveled ends, adjacent sides having their Walls in difierent a flat base, a subtenon projecting from said planes. I5 5 base, and a rectangular tenon projecting be- In testimony whereof I have hereunto set yond the dsubtifancin, eacch of the parallell) Walls my hand this 2d day of February, A. D. 1904. of two si es 0 tie sai tenon anc su tenon being Coincident. DAVID W. BRUNTON.
6. A mine-timber cap, having beveled ends, Witnesses: IO a fiat base, a subtenon projecting from said LEONARD G. BIGNELL,
base, and a rectangular tenon projecting be- FRANK M. TAYLOR.
US19197504A 1904-02-04 1904-02-04 Mine-timber. Expired - Lifetime US759418A (en)

Priority Applications (1)

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US19197504A US759418A (en) 1904-02-04 1904-02-04 Mine-timber.

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US19197504A US759418A (en) 1904-02-04 1904-02-04 Mine-timber.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318387A (en) * 1991-03-13 1994-06-07 H L & H Timber Products (Proprietary) Limited Yieldable load support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318387A (en) * 1991-03-13 1994-06-07 H L & H Timber Products (Proprietary) Limited Yieldable load support

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