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0&1, 194s.
POINT mman -
Filed June 6, 1944 Y
2; 36,011 v
Patented Oct. 1, 1946
Charles L. Beard, Lancaster, Pa.
Application June 6, 1944, Serial No. 538,915
'1 Claim. (01. 33—189)
and the arm 4 is placed between the two sheets,
as best illustrated in Figure 2 of the drawing.
This invention relates to tools for point mark
ing sheet material.
Suitable manipulation of the tool causes the A
It frequently happens that a metal worker has
?nder point II to locate the hidden hole l3, and
occasion to drill openings in a sheet of metal to
line up or register with openings previously drilled 5 it will be seen that this operation is greatly fa
cilitated due to the conical shape of the ?nder,
in a second metal sheet whereby the two sheets
which readily centers itself in the hole, thus pro
can be joined together at the desired place or
viding an accurate guide for locating a corre
places by means of rivets, bolts or other suitable
sponding hole in sheet A. All the operator need
fastening means.
One of the principal objects of my invention is 10 now do, in order to provide the sheet A with a
mark 14, corresponding to the drilled hole in
to provide a simply constructed and easily ma
sheet B, is to force the leg 3 downwardlyv with
nipulated tool whereby the openings in the pre
a blow of the hand. During this marking oper
viously drilled sheet can be readily located and
ation the upper ?at face of the ?nder point 8
thereafter corresponding registering holes formed
15 serves as an anvil like support for the sheet A,
in the ?rst sheet.
thus offering effective solid resistance to the im
Other objects and advantages will be apparent
as this speci?cation is read in connection with
the accompanying drawing, in which:
Figure 1 is a perspective view of my improved
tool with the arms in their open or separated po
pact of the member 8..
The drill opening ill in the marker 1 enables
the workman to drill a desired guide hole I8 in
20 the metal sheet A by merely inserting a drill of
the proper size through the drill opening with
out the necessity of marking the location of the
hole, by forcing the marker point 9 against the
sheet A, as previously described. It will be un
Figure 2 is a side view partly in section show
ing the tool in the markingposition with the
sheets of metal; and
between . two
25 derstood’ that when the sheet A is seated on the ‘
?nder 8 and the lower tapered'ends of the mem
bers 1 and 8 are engaging the respective sheets
A and B, the tapered ends 9 and II will be cc
disposed with respect to each other.
to drill a hole in the marked upper sheet.
30 In Figure 3 the upper and lower metal sheets
Referring more particularly to the drawing I
A and B are shown with a drill 20 in withdrawn
denotes my improved tool of any suitable mate
position after the small guide hole l8 has been
rial but preferably formed from a vstrip 2 oi.’
drilled thereby in sheet A. _ Thereafter the oper
slightly resilient sheet metal. The metal strip
' ator will employ a larger drill, not shown, in en
2 is bent intermediate its ends, as at 3, to pro 35 larging the guide hole Hi to correspondv in-size
vide upper and lower resilient arms 3 and 4 re-'
with the hole l3 previously formed in sheet B.
spectively, which are thus connected at their rear
Having thus described my invention, what I
‘Figure 3 is an enlarged sectional view show
ing the parts in the position assumed after the
marking operation and with the drill in position
ends or portions.
The forward or free ends of the arms 3 and 4
claim is:
A tool for marking sheetv metal comprising a
ate provided with registering circular openings 40 strip of resilient material bent intermediate its
5 and 6 in which are suitably secured, what may ,
ends to form lower and upper connected resili
ent arms, each arm provided with a downwardly
preferably of solid metal construction. The
tapered member at its free lower end, the upper
marker 'l-tapers downwardly toward its lower
surface of the taperedmember of the lower arm
end 9 and is preferably provided with a concen 45 being flat, the free ends of said arms being mov
trically disposed drill opening I0 terminating in
able towards each other against the inherent re
be termed, a marker 1 and a ?nder 8 respectively,
siliency of said strip whereby said tapered mem
bers are adapted respectively for locating a hid
den depression or hole in the upper face voi! a
60 metal sheet and to apply a correspondingly lo
8 are preferably ?at.
cated mark in the upperv face of a second metal
Where the workman is desirous of securing a I
metal sheet A at certain points to'a sheet B,. sheet superimposed on said ?rst mentioned sheet,
the point 9. The ?nder 8, like the marker 1, is
round and tapers downwardly toward its lower
end II. The upper faces of the members land‘
which has previously been formed with openings
I3, designating such points of attachment, and
when said lower arm is inserted between said
metal sheets and said upper arm is moved toward
which may form part of an airplane or other 55 said second sheet.
assembly, the sheet A is placed over the sheet B
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