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Патент USA US2405321

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Aug 6» 1945»
A. NEGOVAN vE11' AL _
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l
29405321
SHORE
Filed Aug. e, 194s
AM
Patented Aug. 6, 1946
2,405,321
UNITED STATES PATENT OFFICE"
Albert Negovan, Chicago, Ill., and Estel R. Strat- Y
ton vand William Clark Roggie, Indianapolis,
Ind., assignors to Baker-Roos, Inc., Indian
Y - apolis, Ind., a corporation of Indiana
Application August 6, 1943, SerialNo. 497,674 .
10 Claims. (Cl. 248-354)
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Our Vinvention relates to adjustable shores,l and
more particularly to that type oi shore in which
one of two telescoping parts comprises a pair of
laterally spaced, longitudinally extending mem
bers between which the other shore-part is ad
justablyl received.
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2
i headv I2 slidably engaging the members II, while
the lower ends of the latter are provided with
co-operating dogs I3 adapted to gripthe pipe III
and hold the shore extended under load.
The
construction of the lower shore part and the dogs
It is the Yobject of our invention to produce for
I3 forms no part of our invention.
The upper ends of the two members I I are held
such a shore a removable extension by the use
of which the effective length of the shore can
in spaced relation by a cap I5, the particular
construction of which does form part of our in
be increased. More speciiically, it is your object 10 vention. As will be clear from Fig. 2,- the cap I5
to interconnect the shore >and extension by a
embodies co-planar end portions I6 which over
means which will hold the extension ñrmly in
lie the upper ends of the shore-members I I. The
alinement with the shore without requiring an
centralportion of the cap is in the form of a
excessive amount of longitudinal overlapping of
stirrup, comprising v two vertical side walls I‘I
the extension and shore. A further object` of 16 which extend downwardly along the inner faces
our invention is to adapt a shoreV not only >for
of themembers Il and the lower ends of which
the reception of an extension but alsofor the
are joined by a horizontally extending interme
reception of an auxiliary head by means of which
diate or bottom wall I8. Desirably, the cap also
the area which the shore añords for the sup
includes strengthening flanges I9 which extend
port of objects resting upon it may be mate 20 vertically downward from the side edges of the
rially increased.
end portionv I6 and which'bridge the gap between
In carrying out our invention, we provide the
the two members II. The cap may be formed
two-member shore-part, which is usually used as
as a casting,A or may be constructed by welding
the upper part of the shore, with a ,cap which
together pieces of properly shaped steel plate.
serves not only to hold in properly spaced rela 25 Bolts 20, which pass through the vertical legs
tion the upper ends of the two members of vwhich
Il Vand the respectively adjacent members Il,
the upper short-part is composed but which also
serve to hold the cap in place.
Y
serves to receive the lower end of a shore-exten
The extension 22 for use with the shore may
sion. The cap and shore-extension are provided
be of any desired length and conveniently com
with interñtting means which serve to hold the 30 prises a wood 4 x 4. The lower end of the exten
shore-part and extension firmly in alinement
with each other. 'The cap is so formed as not
to interfere with the usual use ofthe shore
sion 22 is reduced in both transverse dimensions
so that it may be received within a hollow sleeve
23 which desirably has the same exterior dimen
in the absence of the extension, and is desirably
sions as those of the body of the _shore-extension.
also formed to receive a head of increased width. 35
The cap I5 is so proportioned that the sleeve
The accompanying drawing illustrates our in
23 maybe received between the two side walls
vention:
.
Il and flanges I9 of the cap; and the sleeve and
Fig. 1 is a side elevation of the complete shore
cap are provided with interengaging portions by
with the extension in place thereon; Fig. 2 is a
means of which the extension is held in proper '
fragmental isometric view illustrating the upper 40 alinement with the shore. As shown, such pro
end of the shore; Fig. 3 is an isometric view
visions include tongues 25, which are secured (as
illustrating the lower end of the shore-exten
by welding) to two opposite sides of the sleeve
sion; Fig. 4 is a plan view of the upper end of
.23 and which are receivable in grooves 26 formed
the shore showing, in section, the lower end of the
in the side walls I‘I of the cap. The interengag
extension in place therein; Fig. 5 is a vertical
ing faces of the tongues 25 and grooves 26 may
4,5
section through the upper end of the shore and
converge downwardly slightly, so as to produce
extension; and Fig. 6 is a fragmental side eleva
a taper ñtwhich will become tight when the .
tion illustrating the auxiliary headin place on
extension is seated in the shore. In addition,
the shore.
the other two sides of the sleeve 23 are provided
The shore illustrated in the drawing comprises
a lower part Ill formed of pipe and provided with
a suitable foot I0’. The upper part of the shore
comprises two laterally spaced vertically extend
ing members I I, which may be wood 2 x 4’s. The
upper end of the pipe l0 is provided with across
with downwardly projecting ears 21 receivable
in notches 28 formed in the sides of the bottom
.wall I8 of the cap. Desirably, the key-receiving
grooves 2B of the cap are slots extending com
pletely through the material of the side walls I1
and continuing into the intermediate leg I8 to
3
4
receive the lower ends of the tongues, which pro
ject below the lower end of the sleeve 23. To
prevent injury to the wood shore-members li
when the extension is being inserted, the end
and inner face of each of such members may be
sion with the metal sleeve 23, and by forming the Y
the space between said members at opposite sides
thereof, said cap being provided with a central
stirrup extending downwardly between said two
members and said ñanges and having side and
bottom Walls, a shore-extension, and a sleeve
upon the lower end of said extension, said sleeve
being adapted to be received in said stirrup and
between said flanges, opposite sides of said sleeve
and the side Walls ci said stirrup being provided
sleeve-receiving portion of the cap l5 of metal,v
"with closely interñtting, longitudinally extending
protected by an L-shaped sheet-metal protector
3i! interposed between the member and the cap.
By providing the lower end of the shore exten
we are enabled to obtain a relatively snug iit
'"It‘ongues and grooves preventing relative move
ment of said sleeve and stirrup in a plane per
between the cap and sleeve, whereby the exten
sion will be held ñrmly in proper alinement with ~
the shore. Moreover, the fit of ther tongues 25 >
within the slots 2e, and the in of tneears 2i within the notches 28 aid in preventing relatively '
lateral movement of the shore and theextènsion,
and thus aid in maintaining those elements in.`
proper alinement with each other.
For the purpose of releasably holding the ex
tension in associationïwith the shore »the flanges
i9 may beprovided with small openings SI which,
when the extension is- in place, are in alinement
with openings 32 provided in opposite side walls
of the sleeve 23, whereby a nail driven into the
wood of the extension-shank 22 through the
openings 3l and 32 will prevent the extension
from being removed from the shore.
In order to provide- an adequate supporting
surface for any object supported by the shore s'
when the extension is not in use the end portions
pendicular to said flanges,
2. In a shore having upper and lower tele
scoping parts, said upper part comprising two
laterally spaced, vertically extending members,
a eap having end portions respectively overlying
the ends of said members and flanges intercon
necting end portions and extending across the
space between said members at opposite sides
thereof, said cap being provided with a central
stirrup extending downwardly between said two
members and said ñanges and having side` and
bottom walls, a shore-extension having a lower
end adapted to be received in said stirrup and
between said flanges, opposite sides of said exten
sion and the side walls of said stirrup being pro
vided with closely interñtting, longitudinally ex
tending tongues Vand grooves preventing relative
movement of said extension and ’stirrup in a
plane perpendicular to said flanges.
V3. The invention set forth inrclaim l with the
addition that said tongues are tapered and of
gradually decreasing width downwardly, the
I6 of the cap l5V desirably extend outwardly for
a distance beyond the outer faces of the members
H, as will be clear Vfrom the drawing». In the
absence of the'extension 22, objects may be sup- “e tongue-receiving grooves being correspondingly
ported on the upper surfaces of the end portions
tapered.
i6 and the upper edges of the flanges i9, which
4. The invention set forth in claim 2 with the
are all coplanar.
i
addition that said tongues are tapered and of
ï The cap l5 is adapted »for the reception of any
gradually decreasing width downwardly, the
desired form of laterally projecting auxiliary 40 tongue-receiving grooves being correspondingly
head, such for example as the plain auxiliary
tapered.
head 35 illustrated in Fig. 6. This auxiliary head
5. The invention set ‘forth in claim l with the
conveniently comprises a length of 3 «x 4 or 4 x 4
addition that said grooves are located in the side
to the lower surface of which ¿there -is secured a
walls of said stirrup, and bolts passing through
metal clip 36 adapted to engage the projecting 215 each stirrup side wall 'on opposite sides of the
end of either of the end 'portions i6 of the shore
groove therein and also through the adjacent
cap. Also secured to the under surface of the
vertically extending member of the upper shore
head 35 is an L-shaped member 31 one leg of
part.
which is vertical and adapted to extend through
6. The invention set forth in claim 2 with the
a slot 3B in the other of the end >portions I6 of 50 addition that said grooves are located in the side
the shore-cap. kA removable key 39 receivable in
Walls of said stirrup, and bolts passing through
a hole in such member may be employed to hold
each stirrup side wall on opposite sides of the
groove therein and also through the adjacent
vertically extending member of the upper shore
the head 35 releasably in place.
The lower end of the extension 22 is preferably
ilush with, or even slightly below, the lower `end
part.
face of the sleeve 23 so that when the extension
is in use its lower end will engage the 'bottom wall
parts, a centrally disposed, upwardly opening
I8 of the extension-receiving stirrup,1whereby
verticalloads will be transmitted directly from
said stirrup having spaced, parallel .side walls,
the extension to the cap independently of the
sleeve.
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While we have illustrated and described the
shore as vertically arranged with the short-'part
comprising the members il uppermost’it is to
7. In a shore, upper and lower telescoping
stirrup at the upper end of said upper shore-part,
et
an extension receivable in said stirrup between
said side walls, said side walls and the adjacent
faces of said extension being provided with close
ly interfìtting, longitudinally extending tongues
and grooves preventing relative movement of said
be understood that this is merely for convenience 65 extension and stirrup in a plane parallel to lsaid
of description. The shore can be inverted if de
side walls of the stirrup,
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sired, 0r it can be used in a horizontal 'or in
>8. The invention set forth in claim V'7 with the
clined position.
>
addition that said tongues are tapered and of
gradually decreasing width downwardly, the
We claim as our invention:
»1. In a shore having upper and lower?telescop
tongue-receiving "grooves being `corresrmndingly
ing parts, said upper part comprising two lat
erally spaced, vertically extending members, a
9. In a shore, upper and'lower >telescoping
cap having end portions respectively overlying
parts, a centrally Y disposed, upwardly opening
stirrup _atfthe ‘upper end o'f-s'aidßup'per shore-part,
the ends of said memberssand flanges intercom
necting said end portions and ‘extending >across 75 said 'stump having spaced, parallel' side walls and'
tapered.
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1
2,405,321
a bottom wall, an extension adapted to be re
ceived in said stirrup with its lower end sup
ported on said bottom wall, the lower end of said
extension and said bottom wall having closely in
terñtting provisions preventing their relative
lateral movement.
10. The invention set forth in claim 9 with the
addition of a rigid sleeve surrounding the lower
end of said extension, said interñtting provisions
comprising downwardly extending projections
on said sleeve and projection-receiving openings
in said bottom wall.
ALBERT NEGOVAN.
ESTEL R. STRATTON.
WILLIAM CLARK ROGGIE.
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