US1048838A - Form-holder for concrete construction. - Google Patents

Form-holder for concrete construction. Download PDF

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Publication number
US1048838A
US1048838A US67558812A US1912675588A US1048838A US 1048838 A US1048838 A US 1048838A US 67558812 A US67558812 A US 67558812A US 1912675588 A US1912675588 A US 1912675588A US 1048838 A US1048838 A US 1048838A
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United States
Prior art keywords
bolt
holder
recess
concrete
concrete construction
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Expired - Lifetime
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US67558812A
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John Richard Johnson
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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
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
    • 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
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/14—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
    • 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
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40—Clamping arrangements where clamping parts are received in recesses of elements to be connected

Definitions

  • This invention relates to a device which is attachable to the lower flange of ordinary I beams and from which, by means of bolts, the forms for concrete construction can be supported, while a building is in course of construction. And the object of this invention is to obtain a holder which is attachable to the lower flange of any ordinary I beam, without requiring holes to be drilled in said flange, and by means of which the form or mold which is required in concrete construct-ion will be held rigidly in place.
  • a further object of the invention is to obtain a device by means of which, when a construction is completed, pipes and other articles may be suspended from I beams which are embedded in concrete or covered by tiles and plaster.
  • FIG. 1 is an end elevation of a device embodying this invention, said device being attached to the lower flange of an I beam, said I beam being shown in section.
  • Fig. 2 is an end elevation of a locking member of the device.
  • Fig. 3 is a top plan view of the locking member which is illustrated in Fig. 2.
  • Fig. 1 is a top plan view of the principal or base member of the device, and
  • Fig. 5 is a vertical sectional view of the device removed from the I beam on line 55 of Fig. 1 viewed in the direction indicated by the arrows.
  • A is an I beam and a, a the lower flanges thereof.
  • B is the base member of this device, and C is the locking member.
  • the member B is provided with the lip b which is arranged to engage with one of the flanges of the I beam A, as at a, Fig. 1.
  • Base B is also provided with the groove D.
  • the two sides (Z, d, of groove D are not parallel.
  • the base B is also provided with recess E and the groove F opening thereinto.
  • the groove F is formed by ribs 7", f, which are integral with the part B.
  • Recess E is sufiiciently Wide to receive the head X of the bolt X and the groove F is sufficiently large to receive the body of said bolt.
  • the bolt X may be dropped into place in the recess E with the body thereof in groove F, before the device is attached to the I beam, in the manner hereinafter described, but as itoften occurs that a bolt is required to be inserted in place in the device after said device is attached to the I beam I provided for such insertion by extending the ribs f, f, to lines f, f, only, thereby removing that part or portion of said ribs which is indicated by the broken lines f, f, Fig. 4.
  • FIG. F, Figs. 4 and 5 is the face of one of the end walls of the recess E, (at the lower edge thereof) which is beveled to permit the insertion of bolt X when the ribs f, f, are sufficiently long to prevent the removal of said bolt when the body thereof is perpendicular.
  • the locking member C is provided with the lip b which rests on the upper face ofside a of the lower flange of I beam A; said locking member is also provided with the rib D which corresponds in shape with the recess D of part B.
  • G, G are strengthening flanges used in the larger sizes of the device.
  • said form may be secured in place so that the lower face of this device will be in the same plane as the lower face of the concrete in which the I beam is embedded when desired.
  • a holder provided with a recess to hold the head of a bolt and a groove to permit the body part of said bolt to move therein, so that said bolt is not removable therethe ends of said holder forming the ends of from When said bolt is in a perpendicular said recess, and one of said ends beveled to position.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

J. R. JOHNSON.
FORM HOLDER FOR CONCRETE CONSTRUCTION.
APPLICATION rum) rmm, 1912.
1,048,838. Patented Dec. 31, 1912.
QMVEN Tor-a W/TNESSES M f 2 M AT TOE NE Y.
JOHN RICHARD JOHNSON, OF CHICAGO, ILLINOIS.
FORM-HOLDER FOR CONCRETE CONSTRUCTION.
Specification of Letters Patent.
Patented Dec. 31, 1912.
Application filed February 5, 1912. Serial No. 675,588.
To all whom it may concern:
Be it known that I, JOHN RICHARD JOHN- SON, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Form-Holders for Concrete Construction, of which the following is a specification.
This invention relates to a device which is attachable to the lower flange of ordinary I beams and from which, by means of bolts, the forms for concrete construction can be supported, while a building is in course of construction. And the object of this invention is to obtain a holder which is attachable to the lower flange of any ordinary I beam, without requiring holes to be drilled in said flange, and by means of which the form or mold which is required in concrete construct-ion will be held rigidly in place.
A further object of the invention is to obtain a device by means of which, when a construction is completed, pipes and other articles may be suspended from I beams which are embedded in concrete or covered by tiles and plaster.
In the drawing Figure 1 is an end elevation of a device embodying this invention, said device being attached to the lower flange of an I beam, said I beam being shown in section. Fig. 2 is an end elevation of a locking member of the device. Fig. 3 is a top plan view of the locking member which is illustrated in Fig. 2. Fig. 1 is a top plan view of the principal or base member of the device, and Fig. 5 is a vertical sectional view of the device removed from the I beam on line 55 of Fig. 1 viewed in the direction indicated by the arrows.
Similar letters refer to similar parts throughout the several views.
A is an I beam and a, a the lower flanges thereof. B is the base member of this device, and C is the locking member. The member B is provided with the lip b which is arranged to engage with one of the flanges of the I beam A, as at a, Fig. 1. Base B is also provided with the groove D. The two sides (Z, d, of groove D are not parallel. The base B is also provided with recess E and the groove F opening thereinto. The groove F is formed by ribs 7", f, which are integral with the part B. Recess E is sufiiciently Wide to receive the head X of the bolt X and the groove F is sufficiently large to receive the body of said bolt. When the bolt X is inserted in recess E, the head of said bolt rests on ribs f, f, see Figs. 1 and l, and said bolt is supported thereby.
The bolt X may be dropped into place in the recess E with the body thereof in groove F, before the device is attached to the I beam, in the manner hereinafter described, but as itoften occurs that a bolt is required to be inserted in place in the device after said device is attached to the I beam I provided for such insertion by extending the ribs f, f, to lines f, f, only, thereby removing that part or portion of said ribs which is indicated by the broken lines f, f, Fig. 4.
F, Figs. 4 and 5 is the face of one of the end walls of the recess E, (at the lower edge thereof) which is beveled to permit the insertion of bolt X when the ribs f, f, are sufficiently long to prevent the removal of said bolt when the body thereof is perpendicular.
The locking member C is provided with the lip b which rests on the upper face ofside a of the lower flange of I beam A; said locking member is also provided with the rib D which corresponds in shape with the recess D of part B.
By this construction when the part B is in place on the lower flange of the I beam as illustrated in Fig. 1 of the drawing, the small end of rib D may be inserted in the large end of the recess D and said locking member C driven into place and thereby the device will be firmly secured to the lower flange of the I beam.
G, G, are strengthening flanges used in the larger sizes of the device.
The belt X is an ordinary bolt and maintains a concrete form in position in the ordinary way.
It is evident that said form may be secured in place so that the lower face of this device will be in the same plane as the lower face of the concrete in which the I beam is embedded when desired.
Any number of the devices are used which are required.
By the use of this device the concrete forms can be put in place and filled with concrete as fast as the I beams are secured in position.
I claim:
A holder provided with a recess to hold the head of a bolt and a groove to permit the body part of said bolt to move therein, so that said bolt is not removable therethe ends of said holder forming the ends of from When said bolt is in a perpendicular said recess, and one of said ends beveled to position.
permit the insertion of said head in said JOHN RICHARD JOHNSON. recess When said bolt is inclined from a per- In the presence of pendicular and said body part is in said CHARLES TURNER BROWN,
groove, and said recess and groove arranged CORA A. ADAMs.
Gopiea; of this patent may be obtained for five cents each, by addressing the Gommissioner of Patents, Washington, D. 0.
US67558812A 1912-02-05 1912-02-05 Form-holder for concrete construction. Expired - Lifetime US1048838A (en)

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US67558812A US1048838A (en) 1912-02-05 1912-02-05 Form-holder for concrete construction.

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US67558812A US1048838A (en) 1912-02-05 1912-02-05 Form-holder for concrete construction.

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US1048838A true US1048838A (en) 1912-12-31

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