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Патент USA US3086305

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April 23, 1963
R. s. DALFE
3,086,295
SCRIBING DEVICE FOR DOORS
Fi'led Sept; 24, 1962
INVENTOR
F IG -
RAYMOND s. DALPE
BY
7
gafv‘ \A . %£~
ATTORNEY
United States Patent 0 " ice
3,035,295
Patented Apr. 23, 1963
2
1
This invention relates to a tool for engagement with a
frames may be shifted with respect to each other by man
ual actuation and upon either side of the door.
‘Means are provided to yieldably support the frame 17
with respect to the frame 5 in a slidable manner, compris
ing a pair of rods 25. The rods 25 are threaded at one
end into the head *8 of the frame 5 as indicated at 26.
The opposite extremities of the rod 25 slidably engage
apertures 27 in a head 18 and adjustable nuts 28 are
door edge and whereby to clamp the door into one jamb
threadedly engaged with the ends of the rods outwardly of
3,086,295
SCRIBING DEVICE FOR DOORS
Raymond S. Dalpe, 2813 S.W. 14th St.,
Fort Lauderdale, Fla.
Filed Sept. 24, 1962, Ser. No. 225,542
4 Claims. (Cl. 33-194)
and to hold the door so as to permit a scribing tool to 10 the head ‘18 and whereby to limit the movement of the
‘engage the opposite edge of the door to determine the de
gree of trimming of 'the ‘door edge for ?tment into the
frame 17 and 5 with respect to each other. The rods 25
carry compression springs 29 and with the springs jointly
jamb opening.
bearing against the head 8 and the head 18 to bias the
frames apart. ‘An angle plate 30 is connected to the ?ange
The invention contemplates a clamping tool that is en
gaged over one edge of a door and with the opposite edge 15 20 by a screw 31 and constitutes a stop that engages the
jamb‘recess 32 of the door jambs 33.
of the door being engaged into the opposite jamb opening
and with the device embodying a yieldable frame that
In the use of the device, the door 10 is engaged into
clamps against the jamb opening to maintain the opposite
one recess 32 and the device is then forced over the mar
edge of the door into the opposite jamb and with the device
ginal edge of the door and the hook 24 or the hook 23
being yieldably adjustable by spring means that supports 20 engaged by the ?ngers of the operator to shift the frames
5 and 17 with respect to each other and to the point where
the angle plate 30 will engage into the recess 32 of one
the door against movement while the scribing tool is en
gaged against the jamb opening to form a mark upon the
side of the door to indicate just how much the door must
jamb member and upon release of the hooks, the springs
be trimmed in order to ?t the opening.
29 will force the door into the opposite recess 32 and
’
The invention further contemplates a clamping device 25 held in that position against movement. The operator
having adjustable strips ?tted into the clamp whereby the
then employs a scribing tool and scribes the door verti
device will ?t doors of varying thicknesses.
cally with respect to its position with respect to the recess
Novel features of construction and operation of the de
32 of the jamb 33'thatconstitutes the amount of material
vice will be more clearly apparent during the course of the
to be removed from the door so that it will jointly engage
following description, reference being had to the accom 30 into the recess 32 with su?icient freedom of swinging
panying drawings wherein has been illustrated a preferred
movement itself. The spacer strip 12 will obviously be
form of the device and wherein like characters of refer
removed when the device is engaged over a door of rela
ence are employed to denote like pants throughout the
tively thick dimension and the spacer strips may be varied
several ?gures.
‘In the drawings:
FIGURE 1 is a horizontal sectional view through a door
and a pair of jamb members, showing the invention in
use,
in accordance with doors of lesser thickness. After the
35 door has been scribed, it is removed and the clamp disen~
gaged therefrom. The springs 29 and the angle plate 30
thus de?nitely hold the door in the opposite jamb opening
against movement during the scribing operation. The
angle plate 30 is preferably provided upon its face with a
FIGURE 2 is a fragmentary side elevation of the struc
40 relatively thin pad of rubber or the like to prevent the
ture illustrated in FIGURE 1,
FIGURE3 is a side elevation of the clamp from the
marring of the door when the device is in use.
It will be apparent from the foregoing that a very novel
opposite side, and
FIGURE 4 is a horizontal section taken substantially
door clamp has been provided to facilitate the scribing and
?tment of a door into a jamb opening.
on line 4—4 of FIGURE 3.
Referring speci?cally to the invention, there has been 45
The device is simple in construction, is strong, durable
provided an inner U-shape frame 5 having side ?anges 6
and cheap to manufacture and provides a clamping tool
and 7, connected by a base 8. The ?ange 7 is relatively
that is of such dimensions that it will be capable of storage
1longer than the ?ange 6 and is slightly curved outwardly
into the usual carpenter’s ‘tool box and greatly simpli?es
the scribing of a door to a particular jamb opening, with
at 9 to facilitate the engagement of the device over the
edge of a door, illustrated at 10. The ?ange 6 is also 50 a minimum of effort since the device is quickly and easily
curved outwardly at 11 to also facilitate the engagement
engaged with the marginal edge of the door and with the
of the frame over the door. The frame is preferably
door engaged into an opposite jamb recess, the device is
easily yieldably adjusted to cause the angle plate 30 en
formed of rigid non-?exible metallic stripping. A spacer
strip, preferably formed of wood is indicated at 12 and 55 gagement with the opposite recesses, such effectively hold
is co-extensive with the ?ange 6. The spacer strip 12 is
ing the door against movement.
It is to be understood that the invention is not limited
?xedly held with respect to the ?ange 6 by threaded screw
to the precise construction shown, but that changes are
13 and with the screw 13 having a head 14 that is recessed
contemplated as readily fall within the spirit of the inven
into the inner face of the strip 12 as shown at 15. A wing
nut 16 serves to clamp the strip 12 to the ?ange 6. 'The 60 tion as shall be determined by the scope of the subjoined
strip 12 constitutes an adjustable means whereby the de
claims.
Having described my invention what I claim is new
vice may be employed with doors of varying thicknesses‘.
Slidably engaged in overlapping relation to the ?anges
and desire to receive by Letters Patent is:
.
1. A tool for holding a door in alignment with a door
6 and 7 is a second U-shape frame 17, having a head por
tion 18 and side flanges 19 and 20. The frame 17 is sub 65 opening formed by door jambs and whereby to hold the
door so that one edge may be scribed to indicate the
stantially identical in height with the frame 5. Means are
amount to be trimmed off the door for ?tment into the
provided to connect the frame 17 to the frame l5 in a slid
door opening, the tool comprising a pair of U-shaped
able manner, comprising a screw 21 that is threaded into
frames having overlapping and slidable engagement with
an opening of the frame 7 and that passes through an elon
gated slot 22 of the ?ange 20. The ?ange 19 is provided 70 each other and with an inner frame de?ning a rectangu
lar socket dimensioned to engage a marginal edge of the
with a hooked end 23, while the ?ange 20 is provided with
door, means to bias the two frames apart, an angled stop
hooked end 24 and through the medium of the hooks, the
3,086,295
3
?xedly connected to one leg of the outer frame, means
carried by the opposite legs of the outer frame whereby
the frames may be manually shifted in opposed relation
to the bias means when the inner frame has been engaged
with the door and whereby the angled stop will engage
the side of the door opening and to yieldably hold the
frame for manually shifting the second frame with respect
to the ?rst frame after it has been engaged with a door
and whereby the tool may be activated from either side of
the door, an angle stop ?xed to a leg of the second frame
for engagement with an inner face of the door opening and
whereby the device constitutes a clamp for forcing the
opposite edge of the door against the wall of the door
opening to hold the door against shifting and to permit of
a scribing tool to mark the opposite edge of the door to
opposite edge of the door against the opposite side of the
door opening.
2. A clamping tool for holding a door in alignment
with a door opening formed by door jambs and whereby 10 determine the amount of material to be removed so as
to hold one edge of the door against one jamb and to sup
to permit the door to freely engage into the door open
port the door in overlapping relation to the opposite jamb
mg.
and whereby to permit the opposite edge of the door to
3. The structure according to claim 2 wherein the free
be scribed by a scribing tool to determine the amount of
ends of the leg portions of the ?rst frame are curved out
material to be removed from the door to permit lthe door 15 wardly to facilitate the engagement of (the device over
to be engaged into the door opening, the tool embodying
the edge of the door to be trimmed, the legs of the ?rst
?rst and second U-shaped frame members that are in
frame being spaced apart to slidably receive an edge of a
slidable overlapping relation to each other, the ?rst frame
door of conventional maximum thickness.
member de?ning an elongated socket for engagement over
4. The structure according to claim 2 wherein one leg
the edge of the door, the second frame member having a 20 of the ?rst frame is apentured adjacent its terminal end,
guide slot in one leg and a guide screw extending through
a spacer block that is co-extensive with the last named
leg and that is provided with a clamping screw that extends
the slot to engage an adjacent leg of the ?rst frame mem
through the aperture and whereby to modify the socket to
ber and whereby the frames are guided with respect to each
correspond to the doors of different thicknesses, the frame
other, each of the frame members having a head portion,
pins ?xedly connected to the head portion of the ?rst frame 25 members being formed of metallic strips and with the
and having slidable engagement into apertures formed in
the head of the second frame member, compression springs
disposed upon the pins and bearing against the head por
tions of the frames and whereby to bias the frames apart,
hook means carried by the leg portions of the second 30
strips having identical widths.
References Cited in the ?le of this patent
UNITED STATES PATENTS
810,489
Johnson _____________ __ Jan. 23, 1906
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