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Dec. 17, 1946.
H. G. volGHT
, 2,412,789
Filed oct. 4, 1945
'2 sheets-sheet 1
Patented Dec. 17, 1946
‘ 2,412,789~
armas PATENT orties
UNIT Loox '
Henry G. Voight, Hamden, Colm., assigner to Sar
gent & Eompany, New Haven, Conn., a corpo
' ration or @ennecticut
` application october 4, 1943, serial No. 504,813
2 Claims. (Cl. 292-359)
2 .
This invention relates to door locks, and more
particularly to a so-called unit door lock similar,
for example, to that shown in my prior Patent
No. 2,304,612, granted December 8, 1942. In that
patent there is disclosed a lock system wherein is
provided a case adapted to be used for a number
of locks of different types, and various lock parts
or elements designed to be interchangeably
mounted in the case so that by the use ofthe
proper elements or mechanism the desired type
of lock could be constructed,
mounted in the face plate of the lock, as is usu
ally the case with unit-type locks.V
One object of the invention is to provide a lock v
case which may be employed with any one of ay
number of different locks.
A further object of the invention is to provide
a lock case which is universal in character in that
it may be employed with a number of locks of
diiïerent types, such case being provided with a
10 mask or scalp plate of substantially the same size
and shape as the faceplate of the lock, which
scalp plate will contain only the face openings
necessary for the particular lock which is to be
made, and which will conceal the remaining
a part of the case, and a face plate forming the
front of the lock case through which the bolt pro 15 openings in the face plate of the case itself.
A still further object of the invention is the
jects, which face plate is formed integrally with
simplification and the cheapening of 'the manu
the supporting plate carrying the mechanism.
facture of locks by` providing a univers-ally usable
ri‘his supporting plate forms onel wall of the lock
lock case which may be kept in stock in quantity
case, and a cover plate is secured thereto in
i Unit locks of this character .usually employ a 1
_ mounting plate or supporting plate constituting
. spaced relation to form the opposite wall, which 20 and used in the manufacture of a number of dif-~ I ‘
walls, with the face plate, form the case. In my . Viîerent locks.
A still further object of the invention is to pro
patent, above referred to; it was necessary when
vide a new and improved stop or knob-dogging
different types of locks were to be made to form
mechanism mounted upon the side wall of the
the proper openings in the face plate of the lock
for the bolts or other projecting parts depending 25 lock case between this wall and the escutcheon
plate whereby the actuating elements of the dog
upon the type of lock which was to be made.
ging mechanism will project throimh` the face of
This, of course, required some work to be done
the door at the side of the knob.
upon the case after its original manufacture, so
To these and other ends the invention consists `
that the case as originally made was not com
plete. In the present instance the lock case as 30 in the novel featuresand combinations of parts
originally made is equipped with all of the open
ings which may be required for the various bolts.
In other words, there will be formed in the face
to be hereinafter described and claimed.
plate an opening for à latch bolt, and upper and '
bodying my improvements;
lower openings for dead bolts or stop bolts or dog
actuating members, or other elements which may
be employed and which project through the face
In the accompanying drawings:
Fig. 1 is al vertical sectional view of a lock em
Fig. 2 is a sectional view on line 2-2 of Fig. l;
Fig. 3 is a sectional view on line 3----3 of Fig. l;
Fig. 4 is an elevational „view of the stop or
1 dogging mechanism mounted on a wall of the
of the lock. As not al1 of these elements are used
in every lock, and as it would be unsightly to have
openings in the face plate of the lock which are 40 Fig. 5 is a view partly in section on line 5--5
of Fig. 4;
not employed, I secure a mask or scalp plate over
Fig. 6 is a front or edge view or thevlock case
thei'ace plate of the lock, this mask or scalp plate
shown in Fig. 1;
containing the openings which are necessary for
Fig. 'I is a sectional view on line 1--1 of Fig. ‘2.
the particular type of lock which is to be manu
factured. In this manner the case of the lock is 45 showing the face plate of the lock case;
Figs. 8, 9, 10 and 11 are front elevational views ~
exactly the same for any one of a number of dif
of masks or scalp plates of various types; and
-ferent types of locks. The mask or scalp plate,
' Fig. 12`is a top plan view of the scalp plate'
however, will be individual to the particular lock,
shown in Fig. 8.
' and While it will contain openings which will reg
.isterv with those which are desired to be used, it 50 To illustrate a preferred embodiment of myin
ventìon I have shown a lock case mounted in posi
will conceal those openings which are not to bey
tion upon thedoor I0. The lock case comprises
a mounting or rsupporting plate Il `having a
Also I have provided a lock of this type with a
front face I2 formed integrally therewith and
knob-dogging mechanism mounted upon one of
‘the side walls of the lock case instead of being
forming theiront of the case. The plate Il
forms one side wall of the case, the opposite wall
being formed by the plate I3 which is secured
in Figs. 2 and 12, is provided with a laterally
extending end flange 41 designed to lie against '
by screws or the like to posts 'I3l formed upon
the plate II. As is usual in locks of this type,
the mounting plate vor wall I I and to extend snugly
into a space between this plate and the escutcheon
I6 at the outside of the door. The plate 45 may
the front plate projectsl beyond the cover plate
I3 (Fig. 2), so that its inner edge is substantially '
flush with> the face of an escutcheon plate I4,
which escutcheon plate is secured by screws I5 to
the outer escutcheon plate I6, the latter being
be secured to the plate I2 in'any suitable manner
such as by rivets 48.
Y l
If it is desired toconstruct a lock suitable, for
example, for a bathroom door, a plate such as
in turn secured to the supporting plate II by 10 that shown in Fig. 8 at 45“ is employed instead of
screws I1 passing through the latter plate and
vthe plate 45. This plate contains the opening 46
entering posts I8 formed on the escutcheon , for the latchbolt and an additional opening 49
plate I6. The escutcheon plates may also be
through which a dead bolt may' project, and it will,
secured to the door after the lock has' been set
of course, be understood that in this event a dead
into place by screws I9.
15 bolt would be included in the lock case in addi- y
The lock mechanism is mounted between the
tion to the Alatch bolt.
plates or front and rear walls II and I3, and
In Fig. 9 of the drawings there is illustrated a the mechanism employed will, 'of course, vary
further type of mask or scalp plate 45b to be used
depending upon the type of lock which is to bej with a lock for a communicating door, which plate
made. As shown for purposes of illustration, 20 will be provided with the opening 46 for the latch
the lock mechanism consists of a latch bolt 20
bolt and upper and lower openings 49 and 49e
to which is connected a retracting yoke 2l having
for a pair of dead bolts, as is usual in locks for
laterally turned ends 22 designed to be engaged
communicating doors. The openings 49 and 49“ '
by the rollbacks 23, 24 and 25. As shown in Fig.` 3,
are adapted to register -with the openings 42> and
the rollback 2.4 is formed integrally with a. cen
25 43 in the plate I2, respectively.
tral hub 26, while the rollbacks 23 and 25 are
In Fig. `10 of the drawings I have shown a scalp
rotatably mounted Yon reduced end portions of
plate 45° adapted for use with a. front door lock.
, This plate is provided with the openings 46 and 49
which will register with the openings 4I and 42 of
30 the plate I2, and is` also provided with circular
openings 50 and 5I to accommodate push buttons
which will be used with an interior latch or knob
this hub.
Knob sleeves 28 and 29 >are secured to the case,
and the shank 36 of the inside knob is rotatably
mounted in the sleeve 29. Secured to the knob
is a stern 3I of non-circular cross section, which
stem enters a non-circular opening in a hub 32,
dogging mechanism. These openings will register
also rotatably mounted in the sleeve 29, which ‘ with the enlargements 44 of the opening 43 in the
hub engages the rollback 25 to actuate the latter, 35 `front plate I2.
as shown in Fig. 2, and as is well understood in
In Fig. 11_«I have shown a scalp plate'45d for
the art.
The outside knob is shown at 33 and is provided
use with a vestibule door lock, which plate will be
provided with openings 46, 50 and 5I.
I have also provided a dogging-mechanism for
with a shank 34 rotatably mounted in the sleeve
28, the inner end of which shank engages the 40 the latch bolt which may be mounted upon one '
rollback 23 so that this rollback is actuated by
of the walls of the lock case, and may be employed
in place of the dogging-mechanism‘ operated by
the outside knob, it being understood that each
of the rollbacks may be actuated independently
the push buttons adapted to extend'through the
openings 56 and 5I in the plates 45c and 45d. If
of the others, as the rollbacks 23 and 25 are
rotatably mounted on the hub 26.
45 this novel dogß’îng mechanism is employed, the
Mounted in the outside knob is a cylinder lock
openings 50 and 5I may be omitted.' As shown
more particularly in Figs. 2, 4 and 5, this dogglng
35 to the key barrel of _which is secured a stem 36
of non-circular cross section, which stem is re
mechanism is mounted upon the plate I3 forming
ceived in a similarly shaped opening in the hub
the inner wall of the lock, and is housed between
26, so that this hub and rollback 24 thereon 50 this plate and the escutcheon I4. A‘ plate 55 is
secured to the plate I3 and disposed in spaced
areactuated by the lock at the outside of the
The latch bolt 26 is provided with a head 48
relation thereto, the plate 55 lying between the
, plate I3 and the escutcheon I4.
Between the
plates ~I3 and 55 is pivotally mounted a walking
plate I2. It will be seen by reference to Fig. 7 55 beam 56, this member being provided with an
that this face plate is not only provided with the
opening 56’al receiving the knob shank and with
opening 4I for the latch bolt, but is provided with
a pair of circular bearing members 51 rockably
, an additional opening 42 of rectangular shape,
mounted -in openings 58 and 59 in the plates I3
and also an opening 43 which is generally of rec
and 55, respectively. `Mounted upon the. ends of
tangular shape but which may be enlarged adja 60 the walking beam are push buttons 60 and 6I
cent its ends, ~as shown at 44, so that the lock
which extend through the escutcheon I4 at the
case consisting generally of the members II, I2 '
inner face of the door> for manual operation.
and I3 may be used with other types of locks.
To the inner end of the push button 6I is se
In order. however, to conceal the openings of
. cured a >slide 62 which carries a doggingmember'
the face plate »which may-not be used in any 65 63 adapted when projected outwardly or toward
particular lock, I provide a'scalp plate 45 in which
the outer knob to project into a recess 64 in the `
are formed only the openings which are to be
shank 34 of the outside knob to dog the knob
used with the bolts or other elements with which
against movement. The portion of the slide 62
the lock is provided. For example, the face plate
adjacent the push -button 6I is provided with re
45 to be used with the lock shown in Figs. 1 to 3 70 cesses 65 adapted to. be engaged by a spring
is‘provided only with an opening 46 registering
pressed ball detent 66 mounted on the plate I3with »the opening 4I, and, as shown in Fig. 6,
to releasably hold the dogging mechanism in4
-conceals the openings 42 and 43.- The face plate
either inoperative or operative ~position vagainst'
is substantially of the same length and widthl as
accidentaldisplacement. A_body portion 61 of
the front plate I2 of the lock case, and as shown 75 the slide 62 extends throughan openingin‘the
projecting through an opening 4I in the face A
wall I I of the lock case so as to be guided thereby '
in its sliding movements.
It will be understood that the push buttons 60
and 6I extend’through the escutcheon plate Il
at the inside of the door adjacent the inner knob
j (not shown), where they may be readily acces
sible for manual operation. It is believed that the
operation of the lock will be readily understood `
from the foregoing description. With the push
buttons 60 and 6I in the-position shown in Fig'. 2,
the latch bolt is free to be retracted by either the
inner or outer knobs, and the dogging mechanism
is held against accidental displacement from this
position by the engagement of the detent 66 in
one of the recesses 65. Ii', however, the push but
ton 6I is pushed inwardly, the slide I62 will be
moved toward the outer knob, and the clogging
be secured to a door and having opposed inner
and outer side walls, a bolt reciprocably mounted
in the case, inner and outer knobs for retracting
said bolt, inner and outer knob sleeves secured
to said inner and outer side walls respectively
within which said knobs are rotatably mounted,
a doggîng member movably mounted in the case
forI dogging said outer knob, a walking beam piv
otally carried by. said inner wall and connected
to said dogging member, actuating means for said
walking beam accessible for operation at the in
side of the door, and said walking beam compris
ing a plate-like member having an opening re
ceiving said knob sleeve and being pivoted on an
axis intersecting the axis of said sleeve.
2. A door lock comprising a case adapted to be
secured to a door and having opposed inner and
element 63 will enter the recess 64 in the knob
outer side walls, a, bolt reciprocably mounted in
shank and dog the outer knob against rotation.
the case, inner and outer knobs for retracting said
In this position oi.’ the parts the latch bolt may not 20 bolt, inner and outer knob sleeves secured to said
be retracted by the outer knob, but may be re
inner- and outer side walls respectively within
tracted by the inner knob,'or by means of the key
which said knobs are rotatably mounte'd,'a dog- '
operated lock 35 at the outside o! the door, which
ging member movably mounted in the case for
rotates the stem 36 and therefore the hub 26
.dogging said outer knob, a walking beam pivotally
carrying the rollback 24.
25 carried by said inner wall and connected to said
While I have shown and described some pre
clogging member, actuating means for said walk
ferred embodiments of my invention, it will be ' ing beam accessible for operation at the inside of_
understoodthat it«is not to be limited to all of
the door, and said walking beam lcomprising a
the details shown, but is capable of modiñcation
plate-like member having an opening receiving
andvariation within the spirit of the invention 30 said knob sleeve whereby the opposite ends of said
and within the scope of the claims.
member lie on opposite sides of the sleeve.
What is claimed is:
1. A door lock comprising a case adapted to
HENRY c. voIGH’r.
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