U.S. patent number 3,756,555 [Application Number 05/240,946] was granted by the patent office on 1973-09-04 for gang loop wall tie holding bolt.
This patent grant is currently assigned to Harsco Corporation. Invention is credited to Richard DE Caneva, Max Doubleday, Robert G. Hoffman.
United States Patent |
3,756,555 |
Doubleday , et al. |
September 4, 1973 |
GANG LOOP WALL TIE HOLDING BOLT
Abstract
A gang loop wall tie holding bolt holding tie rods of multiple
panel units in gang form sections for pouring concrete has a body
portion from which extend laterally in the same direction a finger
to extend through adjacent frame members of adjacent panel units.
Spaced from this finger is a shorter medial extension having a hole
therethrough and spaced from the medial extension at the other end
of the body portion is a tie rod receiving stud offset from the
plane of the finger and medial extension. The body portion may be
reinforced by forming a longitudinally extending partial
corrugation therein, ending short of the ends of the body portion
and having an extension directed toward the medial extension.
Inventors: |
Doubleday; Max (Long Island
City, NY), Hoffman; Robert G. (Long Island City, NY), DE
Caneva; Richard (Long Island City, NY) |
Assignee: |
Harsco Corporation (Harrisburg,
PA)
|
Family
ID: |
22908588 |
Appl.
No.: |
05/240,946 |
Filed: |
April 4, 1972 |
Current U.S.
Class: |
249/207;
249/191 |
Current CPC
Class: |
E04G
17/0754 (20130101) |
Current International
Class: |
E04G
17/075 (20060101); E04G 17/06 (20060101); E04g
017/06 () |
Field of
Search: |
;249/41,44,45,191,192,219R,205,207 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Baldwin; Robert D.
Claims
What we claim is:
1. A gang loop wall tie holding bolt for holding a tie rod passing
through abutting frames of prefabricated panel units, the frames
having mating slots, comprising a body portion, a finger extending
from an end of said body portion for entry through the mating
slots, a tie rod loop engaging stud extending parallel to said
finger in the same direction from the other end of said body
portion, an extension from said body portion spaced from and
between said finger and said stud and extending in the same
direction, said finger and said extension lying in the same plane
and the plane of said stud being offset from the plane of said
finger and of said extension and a pin passing through said
extension for holding the tie rod on said stud and for holding said
finger in the mating slots.
2. A bolt as described in claim 1, said body portion having a
strengthening corrugation therein.
Description
BACKGROUND OF THE INVENTION
The use of prefabricated panels in a gang of formed sections either
preassembled or assembled on the job is well known in the concrete
pouring art. Such prefabricated units usually have a flat face of
plywood or other suitable material of appropriate dimensions
reinforced by a metal frame extending around the periphery of each
unit. The metal frame is usually of H-shape cross-section and edges
thereof abut when the panel units are in position. These edges are
suitably cut away to provide space for the insertion of tie rods to
extend between spaced gang form sections between which the concrete
is to be poured. The tie rods prevent the weight of the concrete
from forcing the gang form sections away from each other.
Gang form bolts for locking adjacent sections together and for
holding the looped ends of the tie rods have heretofore been
proposed and their use described as in U.S. Pat. No. 3,067,479,
granted Dec. 11, 1962, to V. R. Schimmel and entitled
Panel-Securing Tie Rod Anchor Bolt With Offset Anchor Point.
SUMMARY OF THE INVENTION
A tie rod anchor bolt comprises a body portion, a finger extending
from one end of the body portion to pass through slots in adjacent
frame members of panel units, a medial extension extending from
said body portion in the same plane and in the same direction as
said finger and spaced therefrom, an opening in said medial
extension and a tie rod receiving stud extending from the other end
of the body portion parallel to the finger and to the medial
extension and offset from the plane thereof, the body portion being
reinforced by a corrugation terminating short of the ends of the
body portion and having an extension toward the medial extension, a
metallic pin passing through the aperture in the medial extension
to hold the bolt in place and prevent the looped end of the tie rod
from leaving the tie rod receiving stud.
BRIEF DESCRIPTION OF THE DRAWINGS
In the accompanying drawings, in which like reference characters
indicate like parts, FIG. 1 is a view from above of a tie rod bolt
of the present concept showing the relationship of the body portion
to the extending finger, medial extension and tie rod receiving
stud;
FIG. 2 is a view from the right of the embodiment of FIG. 1;
FIG. 3 is a view of the embodiment of FIG. 1 shown in position for
insertion from left to right through adjacent frame members of
adjacent panels showing the position of the tie rod loop;
FIG. 4 shows the bolt of FIG. 3 in position after movement from
left to right and engaging the frames of adjacent panels with a
nail holding the bolt and tie rod in position;
FIG. 5 is a view of the bolt of FIG. 1 in position for movement
from right to left into position to engage the tie rod and the
position of the loop end of the tie rod; and
FIG. 6 is a view of the bolt of FIG. 5 with the bolt in position
engaging in the frames of adjacent panels with the tie rod and bolt
held together by a nail.
DESCRIPTION OF THE PREFERRED EMBODIMENT
As seen in FIGS. 1 and 2, the tie rod bolt has a body portion 10
provided with a finger 11 extending in the principal plane thereof
and a medial extension 12 spaced from finger 11 and in the plane of
finger 11. A tie rod receiving stud 13 is spaced from extension 12
and extends parallel thereto and to finger 11. Stud 13 is offset
from the plane of finger 11 and extension 12 as seen in FIG. 2.
Extension 12 is provided with a through opening 14 to receive a pin
or nail or broken end of a tie rod.
Body 10 is provided with a raised corrugation 15 having an
extension 16 extending toward medial extension 12 for strengthening
purposes.
A slot 17 is provided in body 10 adjacent the base of medial
extension 12 adjacent finger 11.
Referring now to FIGS. 3 and 4, the tie bolt there being disposed
for insertion from left to right through frames 18 and 19 of panels
20 and 21, respectively, frames 18 and 19 being provided in known
manner, with half slots or openings 22 and 23, respectively, to
receive a tie rod 24 having a conventional looped end 25. Frames 18
and 19 are also provided with mating opening 26 and 27
respectively, in known manner to receive finger 11 of the bolt.
The tie bolt is held with corrugation 15 facing down and finger 11
is entered in openings 26 and 27. The tie bolt is moved to the
right until loop 25 passes over stud 13, the flat portion of the
loop being disposed beneath stud 13. Medial portion 12 then passes
over tie rod 24 and a pin nail or broken end of a tie rod 28 is
then inserted through opening 14 to hold the bolt and tie rod
together and in position so that stud 13 cannot disengage from loop
25 and finger 11 disengage from frames 18 and 19, the adjacent
flange of frame 18 fitting into slot 17.
Referring now to FIGS. 5 and 6, the tie bolt is to be inserted
through openings 26 and 27 of frames 18 and 19 from right to left.
In this case the bolt is held with corrugation 15 upward and tongue
11 is slid into openings 26 and 27 until stud 13 enters loop 25 and
extension 12 lies under tie rod 24. The flat part of loop 25 then
lies on top of stud 13. Pin 28 is then entered through opening 14
to hold the elements in position, as above, and the adjacent flange
of frame 19 enters slot 17.
The tie bolt does not function to lock frames 18 and 19 together,
this being done by conventional wedge bolts, not shown.
Variations to the above-described preferred embodiment of the
present invention may be made without departing from the inventive
concept. Reference should therefore be had to the appended claims
to determine the scope of this invention.
* * * * *