US810717A - Truss for cement posts. - Google Patents

Truss for cement posts. Download PDF

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Publication number
US810717A
US810717A US27799305A US1905277993A US810717A US 810717 A US810717 A US 810717A US 27799305 A US27799305 A US 27799305A US 1905277993 A US1905277993 A US 1905277993A US 810717 A US810717 A US 810717A
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Prior art keywords
truss
wires
cement
twisted
spreader
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Expired - Lifetime
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US27799305A
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Lee Clark
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups

Definitions

  • Patented J an. 23, 1906.
  • This invention relates to a truss for cement posts, and particularly to an improved construction and arrangement of spreader in connection with the longitudinal wires of the truss.
  • the invention has-for an object to economize in the amount of wire required for the construction of the trussed support and to secure the maximum strength with the mini- .mumweight of material.
  • a further object is to provide means by which the truss may be supported in a mold box'in the proper position while the cement or lastic body of the truss is applied thereto.
  • Figure 1 is a vertical section of a post having the invention applied theretoyFig. 2, a horizontal section of a moldboxyshowing the truss supported to receive the plastic covering.
  • Fig. 3 is a detail of the brace or spreader.
  • Fig. 4 is a similar perspective of the completed truss, and
  • Fig. 5 is a detail perspective of one end of a modified form of the truss.
  • the letter A designates the post, which may be of cement orany plastic material and has disposed longitudinally thereof the truss member comprising the longitudinal wires or rods B, any desired number of which may be used and are twisted together at the opposite ends B, while beyond this twisted portion the extend cd ends B provide means for supporting the truss from theend wall C of the mold-box C, as shown in Fig. 2.
  • the longitudinal wires are arranged and twisted as just described, they are spread from each other intermediate of their ends and the spreader comprising the opposite wires B is inserted in position. These wires are twisted together. at their central portion B and-provided with hooked ends B each adapted to engage one of the longitudinal wires B for the purpose of firmly. retaining the spreader in position.
  • the truss thus completed, as shown.
  • 'n' B are bent laterally, asshown at B, to extend at an angle to each other so as to form means by which the truss may be supported within a mold-box for different-classes of work where it is not desired that the end of the truss should ex' tend beyond the post.
  • a truss comprising a plurality of longitudinally extending wires twisted jointly upon each other at their opposite ends, and a spreader laterally disposed intermediate of the ends of said wires to retain them in separated position.
  • a truss comprising a plurality of longitudinally extending wires twisted jointly upon each other at their opposite ends, a radiating-spreader disposed intermediate of the ends of said wires to retain them in separated position and an extended supporting portion at each end of the longitudinal wires beyond/the twisted portion thereof.
  • a truss comprising a plurality of longitudinally extending wires twisted together .at their opposite ends, ,a spreader disposed dinal Wires beyond the. twisted portion thereportion and provided at their free ends with of and disposed at an angle to the body of the means for engaging the longitudinal Wires. 1o truss.
  • I aflix my signature 4.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wire Processing (AREA)

Description

No. 810,717. P-ATENTED JAN; 23, 1906.-
. L. GLARK. Y muss FOR GEMBNTPOSTSL APPLICATION TILED SEPT. 11, 1905.
INVENTOR llomey Nrrnn sA rns rArrnN'r orrro LEE oLAnK, or GARRISON, IOWA.
, muss FOR CEMENT POSTS.
Specification of Letters Patent.
Patented J an. 23, 1906.
Application filed September 11, 1905. Serial No- 277,993
in Trusses for Cement Posts, of which the following is a specification, reference being had therem to theaccompanying drawings.
- This invention relates to a truss for cement posts, and particularly to an improved construction and arrangement of spreader in connection with the longitudinal wires of the truss. l I
The invention has-for an object to economize in the amount of wire required for the construction of the trussed support and to secure the maximum strength with the mini- .mumweight of material.
A further object is to provide means by which the truss may be supported in a mold box'in the proper position while the cement or lastic body of the truss is applied thereto.
ther and further objects will be hereinafter described and the novel features thereof defined in' the appended claims.
I In the drawings, Figure 1 is a vertical section of a post having the invention applied theretoyFig. 2, a horizontal section of a moldboxyshowing the truss supported to receive the plastic covering. Fig. 3 is a detail of the brace or spreader. Fig. 4 is a similar perspective of the completed truss, and Fig. 5 is a detail perspective of one end of a modified form of the truss.
Like letters of reference refer to like parts throughout the several views of the drawmgs.
The letter A designates the post, which may be of cement orany plastic material and has disposed longitudinally thereof the truss member comprising the longitudinal wires or rods B, any desired number of which may be used and are twisted together at the opposite ends B, while beyond this twisted portion the extend cd ends B provide means for supporting the truss from theend wall C of the mold-box C, as shown in Fig. 2. \Vhcn the longitudinal wires are arranged and twisted as just described, they are spread from each other intermediate of their ends and the spreader comprising the opposite wires B is inserted in position. These wires are twisted together. at their central portion B and-provided with hooked ends B each adapted to engage one of the longitudinal wires B for the purpose of firmly. retaining the spreader in position. The truss thus completed, as shown.
in Fig. 4, is then supported within a mold-box,
as shown in Fig. 2, and the cement or plasticfilling applied, which when set provides the completed post, as shown in Fig. 1, havlng the longitudinally-extending truss therein which strengthensthe post against lateral strain by the use of the minimum bulk and quantity of material, so that posts of this character may be readily transported Without danger of breaking, and a lower grade of cement may be used, as the embedded truss serves to firmly support and hold the plastic material of the pos In Fig. 5 a modified application of the invention is shown in which the extended ends beyond'the twisted porti. 'n' B are bent laterally, asshown at B, to extend at an angle to each other so as to form means by which the truss may be supported within a mold-box for different-classes of work where it is not desired that the end of the truss should ex' tend beyond the post.
Having now described my invention and set forth its merits, what I claim, and desire to secure by Letters Patent, is
1. A truss comprising a plurality of longitudinally extending wires twisted jointly upon each other at their opposite ends, and a spreader laterally disposed intermediate of the ends of said wires to retain them in separated position.
2. A truss comprising a plurality of longitudinally extending wires twisted jointly upon each other at their opposite ends, a radiating-spreader disposed intermediate of the ends of said wires to retain them in separated position and an extended supporting portion at each end of the longitudinal wires beyond/the twisted portion thereof.
3. A truss comprising a plurality of longitudinally extending wires twisted together .at their opposite ends, ,a spreader disposed dinal Wires beyond the. twisted portion thereportion and provided at their free ends with of and disposed at an angle to the body of the means for engaging the longitudinal Wires. 1o truss. In testimony whereof I aflix my signature 4. In a truss for plastic fence-posts, a pluin presence of two witnesses. rality of longitudinally-extending Wires con- LEE CLARK. neeted together at their opposite ends, a Witnesses: spreader for said Wires comprisin a plurality W. D. LEVERICH, of strands twisted together at time central J. N. WILSON
US27799305A 1905-09-11 1905-09-11 Truss for cement posts. Expired - Lifetime US810717A (en)

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