|Publication number||US3159393 A|
|Publication date||Dec 1, 1964|
|Filing date||Feb 11, 1963|
|Priority date||Feb 11, 1963|
|Publication number||US 3159393 A, US 3159393A, US-A-3159393, US3159393 A, US3159393A|
|Original Assignee||Joseph Villano|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (6), Referenced by (36), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Dec. 1, 1964 J. VlLLANO ASSEMBLY INSERT HOLDER Filed Feb. 11, 1963 INVENTOR JQYEPH VfLZ/Y/VO United States Patent 3,15%393 AfiEMBLY INSERT HOLDER Joseph Villano, 240 9th St., Brooklyn 15, N.Y. Filed Feb. 11, 1963, Ser. No. 257,488 3 Claims. (Cl. 26949) This invention generally relates to connecting means and particularly to temporary fasteners.
While this class of device is not new as shown in US. Patent 864,166 granted August 27, 1907 to A. T. Herrick, and US. Patent 2,781,803 granted February 19, 1957 to I. W. Nelson, such devices are normally complicated, expensive, and adapted to only one type of function.
This invention is particularly adapted to provide a device which will specifically hold an insert and a building form together, until concrete. is poured over it, embedding the device in concrete. When the concrete has set, the form is removed with ease, the assembly insert holder remaining with the form to be used on the next floor above, etc.
Accordingly, it is an object of this invention to provide a temporary fastener which is rugged of construction and inexpensive to manufacture.
Another object of this invention is to provide the aforementioned device which may be used to temporarily hold two members immovable relative to one another or to provide a pin projection temporarily connected to a wall or the like.
The aforementioned and other objects and advantages will be more clearly understood by those skilled in the art by referring to the following description and the accompanying drawings, wherein:
FIGURE 1 is an elevational view of a fastener made in accordance with the invention holding an insert in immovable intimate contact with a form,
FIGURE 2 is a sectional view in elevation similar to FIGURE 1 of a novel device made in accordance with the invention, and the member clamped thereby,
FIGURE 3 is a perspective view of the novel device of FIGURES 1 and 2 with parts thereof removed.
FIGURE 4 is a sectional view of the handle of the novel device taken on line 44 of FIGURE 2,
FIGURE 5 is a perspective view of atypical insert to be held by the novel device in accordance with the present invention.
Referring now to the drawings, the novel device has a lock rod with an integral cross piece 11 at one end at right angles thereto and extending equally from each side thereof. A handle 17 is pivotally connected to the lock rod 111 by a pin 16 spaced from the cross piece 11. Handle 17 has an arcuate cam surface 18 a predetermined distance from pin 16 at one end and increasingly spaced from such pin toward its other end. Handle 17 has a seat lock surface 19 adjacent the end of surface 18 furthermost from pin 16. As may be seen, lock rod 10 extends past pin 16 in the direction opposite from cross piece 11.
Slidably disposed on lock rod 10, in series from handle 17 to cross piece 11 is a washer 15, a coil spring 14, and a polygonal plate 12 with a claw 13 at each corner thereof. With the novel fastener as shown in FIGURES 1 and 2, lock rod 113 extends through an opening 22 in form 20 and a slot 23 in insert 21; crosspiece 11 and plate 12 engaging insert 21 and form 21) respectively.
3,159,393 Patented Dec. 1, 1964 Surface 19 which is fiat'seats and spaces washer 15 from pivot 16 to compress spring 14 to bias claws 13 of plate 12 into form 29. By rotating handle 17 counterclockwise, the seat surface 19 moves out of engagement with washer 15. Then surface 18 moves relative to washer 15 until it abuts the end of surface 18 closer to pin 16. Thus, washer 15 is permitted to move closer to the pin 16 relaxing spring 14 and permitting relatively free limited movement of plate 12.
An insert 21 as presently manufactured is shown in FIGURE 5 and has a plurality of holes 24 in its face. Nails (not shown) are presently inserted through the holes 24 and hammered into a form 20 totemporarily connect the insert 21 to the form 21] until concrete to be poured sets. In accordance with the present invention, the crosspiece 11 of the novel device engages the back surface adjacent slot 23 to temporarily hold insert 21 on form 20 as shown in FIGURES 1 and 2.
The novel fastener is applied to the insert 21 and forms 20, by first removing pivot pin 16, lever 17, washer 155, spring 14 and plate 12; and inserting lock rod 11! upwardly through opening 22 in form 20, viewing FIGURE 2, and then re-assembling the parts. Cross-piece 11 of the lock rod 16 is then aligned with slot 23 in insert 21, inserted therethrough and then turned back so as to extend transversely across the slot 23 so as to clampingly engage the inside surface of the wall of the insert containing the slot 23 as shown in FIGURE 2. The slot 23 may also be widened, as at 25, to receive the cross-piece 11 without requiring turning of the lock rod.
As is clearly shown, the end of rod 10 extending on the side of pin 116 remote from crosspiece 11 provides a temporarily fixed pin projection which may be used if desired.
It will be understood that various embodiments might be made of the above invention and as various changes might be made in the embodiments above set forth, it is further to be understood that all matter herein set forth or shown in the accompanying drawing is to be interpreted as illustrative and not a limitation of the invention, and which is best defined by the claims appended hereto.
Having thus described my invention, I claim as new, and desire to secure by Letters Patent:
1. A releasable and detachable fastener device for connecting two members together, comprising a lock rod, a cross-piece integral with one end of said rod arranged at right angles thereto and extending substantially equall on each side thereof, a lever, a pivot pin pivotally securing one end of said lever to said lock rod intermediate the ends thereof, a cam at said lever end having a curved cam surface eccentric with relation to said pivot pin and a flat seat surface intersecting said curved cam surface, the line of juncture of said surfaces being at the greatest distance from the axis of the pivot pin, a compression coil spring surrounding said lockrod between said crosspiece and said cam, a washer movable on said lock rod between one end of said spring and said cam, and a gripping plate of polygonal form having a claw at each corner thereof movable on said lock rod between the other end of said spring and said cross-piece.
2. The releasable and detachable fastener device of claim 1, wherein in the operation of said fastener device,
the cross-piece of the lock rod is insertable through a slot in one member to engage an under-surface thereof, the lock rod passing through the other member such that the gripping plate will seat on the surface of said other member facing said lever, with the corner claws thereof biting into said surface, whereby with said lever disposed parallel to said other member, the fiat seat surface of said cam Will seat on said washer to compress said coil spring and to clamp said members together.
3. The releasable and detachable fastener device of sides thereof at the cam end of-said lever straddling said References Qited in the file of this patent UNITED STATES PATENTS 414,669 Baldwin NOV. 5, 1889 864,166 Hessick Aug. 27, 1907 1,297,539 Bull Mar. 18, 1919 2,781,803 Nelson Feb. 19, 1957 2,979,800 Wilbur et al Apr. 18, 1961 Lyon et a1. Nov. 14, 1961
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|U.S. Classification||269/49, 24/453, 269/236|
|International Classification||E04G15/06, E04G15/00, E04G17/00|
|Cooperative Classification||E04G15/06, E04G15/061, E04G17/00|
|European Classification||E04G17/00, E04G15/06B, E04G15/06|