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Патент USA US3050333

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Aug. 21, 1962
3,050,323
J. BREEZE _
WINDOW LOCK MEANS
Filed March 9, 1960
24
28
29
25
26
FIG 4
FIG 5
INVENTOR.
JAMES
BY
BREEZE
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Patented Aug. 21, 1962
2
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nel arrangement for double hung windows comprising a
3,05%,323
WINDGW LQCK BEANS
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?rst channel 1 for an outside sash and a second channel
2 for an inside sash. These channels are formed by
channel members 5 and 6 which are generally made of
aluminum or other suitable material either in one piece
I
James Breeze, 331 Richards Ave., Hieksville, N.Y.
Filed Mar. 9, 1%0, Ser. No. 13,380
3 Claims. (Cl. 292-455)
or in several pieces and are suitably mounted to the
side 3 of the window frame. There would be correspond
particularly to pressure locks for double sash windows
ing channels on the other side and also preferably at the
which are adapted to lock both sashes in any open or
top of the window frame.
1O
closed position.
The pressure lock of the present invention comprises
Conventional double hung windows can be locked only
a slidable member 4 which may be shaped like the chan
when in fully closed position as they are generally pro
nel members 5 and 6. A portion 7 of the channel mem
vided with a cam lock which is mounted on the top of the
ber 5 is cut out to accommodate the sliding member. As
This invention relates to window lock means and more
inside sash which cooperates with a catch on the lower
a matter of fact the sliding member 4 may be the cut
15 out piece, except that an additional portion 3 of the chan
part of the outside sash.
Therefore, conventional windows cannot be locked in
nel 1 must be removed to accommodate necessary move
open position and when the windows are left partially
ment of the sliding member 4.
open, for instance, for ventilation, they can be easily
Therefore, the slidable member 4 is adapted to move
opened from the outside by burglars.
across the axis of the channels so that the portion 4a
The present invention provides a pressure lock which
will apply pressure to the inside- sash and the portion 4b
is arranged to lock both sashes in any desired position
will apply pressure to the outside sash, the slidable mem
with one sash or both sashes open or both fully closed.
ber being mounted at the center of the window so as to
come in contact with both sashes.
The present invention generally comprises a slidable
member which is mounted in a cut-out portion of the
Pressure is applied to the sliding member by means of
window channel or channels. A mounting plate is se 25 a mounting plate 19 which may be mounted on either the
cured to the window frame and has a threaded bushing.
channel member 6 or the window frame 3. The plate 10
A screw type handle is mounted in the bushing, the shaft
has an internally threaded mounting stud 11 which ac
of the handle bearing against the slidable member to ap
commodates a threaded shaft 12 upon which is mounted a
ply pressure to the sashes.
handle 13. The shaft l2 bears against the slidable mem
In another embodiment of the invention an adjustable
her 4 so that when the handle is screwed into the mount
spring is incorporated to apply a constant pressure to the
ing stud l1 pressure is applied which causes the sliding
sashes which is su?icient to hold them against their own
members 4 to slide across the channels and into pres
weight but still permit ?nger-tip movement. This spring
sure contact with the sashes. The handle may be re
arrangement eliminates the necessity for counter-Weights
for the sashes. Instead of a handle a screw type con
nection may be made or the handle and shaft may be re
movable so that the handle acts as a key. This arrange
ment would prevent someone from reaching in from the
outside where the window is partially open for the pur
pose of operating the lock.
Accordingly, a principal object of the invention is to
provide new and improved window lock means.
Another object of the invention is to provide new and
improved pressure type locking means for windows.
movable for security purposes.
35
FIG. 2 shows a side view showing the upper sash 20
mounted in the channel 1 and the lower sash 21 mounted
in ‘the channel 2. The mounting plate 19 is secured to the
channel member 6 or alternatively .to the side frame by
means of screws and the shaft 12 and handle 13 are
mounted so as to move the slidable member 4 so that it
will apply pressure to both sashes and wedge the sashes
against the channel members on their outer side.
FIG. 3 shows a sectional view of the embodiment of
FIG. 2 taken along the lines 3—3 of FIG. 2.
Another object of the invention is to provide spring 45 FIG. 4 shows a modi?cation 4' of the sliding member.
loaded placement means for holding window sashes.
In this arrangement the outside bottom of the extension
Another object of the invention is to provide adjust
piece 24. is removed. The actuating shaft is adapted
able spring loaded placement means for holding window
to contact the slidable member 4', [for instance at the
sashes.
point 25, so that the portion 26 would bear against the
50
Another object of the invention is to provide means for
top of the inside sash and the portion 24 would bear
preventing rattling of the windows.
against the outside sash. The member 24 is cut away so
Another object of the invention is to provide window
that the movable member may not be reached from
lock means for single or double hung windows which are
the outside with a screw driver or jimmy, even when
adapted to lock the sashes in any open or closed position.
the outside sash is in its full upper position. A slot 29
Another object of the invention is to provide pressure 55 may be provided to mount the sliding member 4-’ to
type window locking means having a removable key fea
the window frame by means of a pin or screw 28 mounted
ture.
flush with the surface of the sliding member. This slot
These and other objects of the invention will be ap
would not be necessary in all cases but may be desirable,
parent from the following speci?cation and drawings, of
for instance in ‘a case where there is no metal channel
having channels.
which provides an adjustable spring holding pressure in
60 to support the sliding member.
which:
FIG. 1 is a perspective view of a typical window frame
FIG. 5 shows another embodiment of the invention
FIG. 2 is an elevation View partly in section of an
addition to the locking pressure. ‘In this embodiment the
embodiment of the invention.
mounting
plate 39 has a ?xedly attached stud 31 with in
65
FIG. 3 is a sectional view taken along the lines 3—3
ternal and external threads and nut 32 thereon to ad
of FIG. 2.
justably accommodate a spring 33. The threads on the
FIG. 4 is a detail view of a modi?ed sliding lock mem
shaft 12 only engage the internal threads of stud 31. The
ber.
spring 33 ?ts loosely on the shaft 12 and bears against
FIG. 5 is an elevation view of another embodiment of 70 the movable member 4 so as to apply any desired holding
the invention.
pressure on the sashes. This pressure may be adjusted
Referring to the ?gures, FIG. 1 shows a typical chan
to permit easy placement or movement of the sashes
3,050,323
3
4
while at the same time preventing the sashes from
rattling and eliminating the need for counter-weights or
said slidably mounted member, a tapped shaftway in said
plate, the axis of said shaftway being parallel the slide
other holding devices.
motion axis of said member, a threaded shaft movably
mounted in said tapped shaftway, the end of said shaft
being adapted to bear againstsaid member, to cause
each of said parallel sides of said member to bear against
The lock of FIG. 5 may also be rendered burglar proof
by using a removable handle. This arrangement would
prevent the window from being opened vfrom the outside
or at least cause such a delay that would effectively defeat
any burglary attempts.
The present locking device has been shown and illus
trated with windows of the type having metal channels.
However, it may be easily used with windows which are
merely held in place by wooden mouldings by making a
slight cut in the Window frame and moulding sufficient
to accommodate the sliding member. The mounting plate
one of said sashes.
2. Window lock means for sashes mounted in channels
in a window frame comprising a short channel like
member having two parallel sides adapted to ?t over an
edge of one of said sashes, said member being slidable
in a cut out portion of said channels for motion perpen
dicular to the axis of said channels, a mounting plate ?x
edly mounted with respect to one of said channels ad
may be securely mounted to the window frame in a variety 15 jacent said slidably mounted member, a tapped shaftway
of methods and special mounting holes or brackets
in said plate, the axis of said shaftway being parallel the
may be easily devised by those desiring .to practice the
slide motion axis of said member, a threaded shaft in said
invention without departing from the scope thereof.
The end of shaft 12 preferably ?ts into a locating socket
tapped shaftway, the end of said shaft being adapted to
bear against said member, a spring loosely mounted on
on the movable member 4 to minimize jamming or 20 said shaft between said slidable member and said mount
binding.
ing plate member.
Various modi?cations may be made in the spring ar
rangement, for instance .the adjustable feature may be
3. Window lock means for sashes mounted in chan
nels in a window frame comprising a short channel like
member having two parallel sides adapted to ?t over an
eliminated by removing the nut 32 and choosing the spring
33 so as to apply constant pressure to the member 4 at 25 edge of one of said sashes, said member being slidable
all times. The strength of the spring may be chosen
in a cut out portion of said channels for motion perpen
as desired.
dicular to the axis of said channels, a mounting plate ?x
edly mounted with respect to one of said channels ad
The present invention is applicable to both double
and single sashes which slide vertically, horizontally or
any other angle.
The present device may be mounted on either side of
the window.
The end of shaft may be rotatably attached to the
slidable member 4 for retracting member 4. This modi
?cation would be useful in cases where the sash has a
series of cutouts or placement teeth which may be en
jacent said slidably mounted member, a tapped shaftway
in said plate, the axis of said shaftway being parallel
the slide motion axis of said member, a threaded shaft
in said tapped shaftway, the end of said shaft being
adapted to bear against said member, a spring loosely
mounted on said shaft between said slidable member and
said mounting plate member and means to adjust the pres
sure of said spring.
gaged by the slidable member.
I claim:
1. Window lock meansrfor sashes mounted in channels
in a window frame comprising a short channel like mem 40
ber having two parallel sides adapted to ?t over an edge
of one of said sashes, said member being slidable in a
cut out portion of said channels for motion perpendicular
to the axis ofsaid channels, a mounting plate ?xedly
mounted with respect to one of said channels adjacent 45
References Cited in the ?le of this patent
UNITED STATES PATENTS
178,378
517,226
Payson ______________ __ June 6, 1876
Little ________________ __ Mar. 27, 1894
1,354,625
1,837,604
2,219,338
Segal ________________ __ Oct. 5, 1920
Wizek _______________ __ Dec. 22, 1931
Segal ________________ __ Oct. 29, 1940
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