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Патент USA US3036339

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_May 29, 1962
H. J. HENDRICK ETAL
'
Filed Aug. 6, 1958
DOOR CLOSERS
_
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3,035,329
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BY
ATTORNEYS
May 29, 1962
H. J. HENDRICK ETAL
3,036,329
DOOR CLOSERS
Filed Aug. 6, 1958
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ATTORNEYS
United States Patent
1
3,836,329
Patented May 29, 1962
2
To illustrate a preferred embodiment of the invention,
3,036,329
there is shown in the drawings la door frame 10' and a
however, that it may be applied to‘ other doors or hinged
in the upper and lower walls of the frame 17, and upon
DOOR CLOSERS
door 11 hinged to the frame at 13 in the usual manner.
Hobart J. Hendrick, Hamden, and Fritz C. Benson, West
Secured upon one of these members and in this instance
Haven, Conn., assignors to The H. B. Ives Company, 5 to the door 11 is a channel-shaped elongated guide mem
New Haven, Conn., a corporation of Connecticut
ber 14 provided at one side with a depending ?ange 15
Filed Aug. 6, 1958, Ser. No. 753,437
which may be secured to the door by screws 16.
5 Claims. (Cl. 16-80)
Secured to the door frame or lintel is a casing 17 having
the improved door-closing mechanism mounted therein.
This invention relates to a door closer and more par
ticularly to a device to hold in closed position a door of 10 As shown more especially in FIGS. 2, 5 and 6, this casing
is of substantially U-shaped construction although its
relatively light weight such as a screen door, closet door
particular con?guration may be varied. A pin 18 is secured
or cupboard door, for example. It will ‘be understood,
this pin is rotatably mounted a disklike member 19 having
In connection with manipulation of closure members 15 a projecting arm 20. As the thickness of the disk 19 is
not as great as the depth of the case 17, suitable spacing
it is desirable to have means to insure that the door is
washers may be placed above and below the disk to hold
tightly closed. When such devices are spring operated,
it in place,‘ one of these washers being shown in dotted
as is usually the case, the spring is usually tensioned by
lines at 21. As shown more especially in FIGS. 3, 4 and 7,
the opening of the door and the greater the distance to
which the door is open, the greater will be the tension 20 the disk 19 is also provided with a projection or tooth 22
at one side thereof, while being circular in shape over the
imposed upon the spring and, therefore, the greater will be
greater part of its area. A tension spring 23 is secured
the resistance to the opening movement of the door. This
at one end to the arm 20, as shown at 2‘4, and the other
is undesirable in some respects in that it is only necessary
end of this spring secured at 25 to the casing so that, when
for the closing mechanism to act during a small part of
the range of movement of the door, that is, the part toward 25 the spring is tensioned, it will tend to rotate the disk 19
in a counterclockwise direction, ‘as shown in the drawings.
the end of the closing movement.
A second generally circular disklike member 27 is
It is contemplated by the present invention to provide
rotatably mounted in the casing upon a pivot sleeve 28,
door closing means which will be operative through only
this sleeve having its'ends peened over at 29 to secure
a small part of the range of movement of the door and
be inoperative during the remainder of such movement. 30 it to the casing. This disk member may be held in place
by suitable spacing washers 30‘ placed above and below
As the device is spring actuated and the spring tensioned
closure members as well.
by the opening movement of the door, the resistance
offered ‘by the spring to the opening movement will only
be felt through a small range and thereafter the spring
the same, as shown in FIG. 6.
~
The disk 27 is provided |with 1a recess or notch 31 which
in a predetermined position of the parts will receive the
will have no effect on the movement of the door either 35 projection or tooth 22, the recess 31 having an abrupt
surface 32 to be engaged by a complemental surface 33
to resist its opening or to close it. However, when the
upon the projection 22‘ as will be later explained.
door is being closed, the spring will take over at a time
Secured to or integrally formed with the disk 27 is an
when the door reaches a point near its closed position and
arm 34- which projects from the casing (the latter being
thereafter will effect a closing force upon the door and
insure its being returned to its ?nal position.
40 open at one side and at its ends), the arm 34 having a
bent end 35 turned inwardly, to the door so as to overlie
One object of the present invention is to provide a
the guideway or track in the member 14. A pin 36 is
spring-operated door-closing mechanism which will be '
loosely mounted in the end 35 of the arm 34, this pin
tensioned by the initial portion of the opening movement of
being provided at its upper end with a disk or head 37
the door and will exert a closing force upon the door
only when the door nears its closed position.
45 and at its lower end with a similar member 38 which is
slidably received in the channel guidew-ay or track in the
A further object of the invention is to provide a door
member 14.
closing mechanism of the character described which will
The casing 17 may be secured to the door frame by
be simple in construction, economical to manufacture,
means of the screws 39 and 40. The screw 39 is passed
and efficient in operation in that it will insure the door
closing to its ?nal position.
50 upwardly through the upper and lower walls of the casing
17 as shown, while the screw 40 may be inserted through
Still another object of the invention is to provide a door
the sleeve 28. With this construction the casing will be
closing mechanism provided with spring-actuating means
rigidly mounted upon the door frame while at the same
to apply a closing force to the door during a predetermined
time the screws will not interfere with the movement of
part of the range of movement of the door but which will
‘
be inactive during the remainder of such movement.
55 the closing mechanism.
As shown in FIG. 3 the door is in closed position with
To these and other ends the invention consists in the
the arm 34 substantially parallel to the plane of the door
novel features and combinations of parts to be hereinafter
and the disk 38 on the pin 36 disposed adjacent one end
described and claimed.
of the guide member 14. It will also be noted that the
In the accompanying drawings:
FIG. 1 is a perspective view of a door and door frame 60 shoulder or abrupt surface 33 upon the disk 19.is in
engagement with the shoulder 32 of the recess 31 in the
having- the improved door-closing mechanism applied
disk 27. ‘When the door is moved to open position about
thereto;
its hinge the disk 27 will be rotated in a counterclock
FIG. 2 is an enlarged elevational view of the mechan
wise direction and by the engagement of the shoulders
ism applied to a door showing the parts in the position
occupied when the door is closed;
FIG. 3 is a sectional view on line 3—3 of FIG. 2;
FIG. 4 is a view similar to FIG. 3 Showing the parts in
the position occupied when the door is open;
‘65 32 and 33 just referred to, the spring 23 will be placed
under tension. Upon a further movement of the door
the shoulder 32 will ride out ofengagement with the
shoulder 33, which disengagement occurs upon a slightly
greater opening movement than shown in FIG. 7. From
FIG. 5 is a sectional view on line 5—5 of FIG. 2;
FIG. 6 is a sectional view on lne 6--6 of FIG. 2; and 70 this point until the door reaches substantially its ‘full open
position, as shown in FIG. 4, the circular edge of the disk
FIG. 7 is a view similar to FIG. 3 showing the position
of the parts when the door nears its closed position.
27 will ride freely over the edge of the disk 19 and tooth
8,036,329
3
4
22 ‘and effect no ‘further rotation of the disk 19 or the
arm 20.
adapted to be mounted upon one of said members and a
Therefore, as soon as the shoulders 32 and 33
guide track adapted to be mounted upon the other of
are disengaged, the spring 23 will no longer oppose the
further opening movement of the door ‘but will remain
in its initially tensioned position. Thus the greater part
said members, an arm having an end portion of generally
circular shape rotatably mounted in the casing and hav
ing a follower ‘adjacent its other end slidably engaged
of the opening movement of the door is effected without
with said track to effect rotation of said arm about its
opposition from the spring.
pivot when the door member is moved about its hinge,
a lever arm having a portion of’ generally circular shape
>
When the door is being closed, the spring 23 and the
disk 19 are inactive during'its movement from the posi
rotatably mounted in the casing adjacent the generally
tion shown in FIG, 4 until it reaches ‘approximately the 10 circular end portion of said ?rst arm, said arms being
position shown in FIG. 7. At that time the recess 31
mounted on spaced substantially parallel axes, ‘a spring
will have been rotated to such a position that the shoul
in the casing biasing said lever arm in one direction, one
der 33 on the disk 19 will again engage the shoulder 32
of said generally circular portions having a projection on
on the ‘disk 27, as shown in FIG. 7. At this time the
its periphery and the other having a recess in its periph
spring will take over and exert a closing force upon the 15 ery {to receive said projection to eifect interengagement of
door to move it to its ?nal closed position. '
said members during-a part only of their rotative move
As described the pin 36 is loosely mounted in the end
ment.
'35 of the arm 3‘4so ‘that, if'circumstances require it, the
4. Mechanism for controlling the movement of a mov
mechanism may be mounted in a reverse position and the
able member hinged to a stationary member, said mecha
disk 37’eng-aged with the channel of the track 14, the
nism comprising a casing secured to one of said mem
loose connection of the pin permitting it to slide through
bers, an arm pivoted to the casing, a spring actuating said
the arm and,rtherefore, space the disk 37 below the frame
arm, a second arm pivoted’ to the casing and slidably
member as is'the disk 38 as illustrated.
a
connected to the other member to be moved about its
While we have shown andv described a preferred em
pivot when said movable member is moved about its
bodiment of our invention, it will be understood that it 25 hinge, said arms having generally'circular portions ad
> is not to be limited to all o'ftthe details shown, but is
jacent their pivots, the peripheries of which portions are
capable of modi?cation and variation within the spirit of V
in close juxtaposition, and means on the peripheries of
the invention and Within the scope of the claims.
each of said portions connecting said arms during a pre
What we claim is:
7
determined part of the movement of said second arm by
v1. Mechanism for controlling the movement of a mov 30 movement of said movable hinged member whereby the
able member hinged to a stationary member, said‘ mech
?rst of said arms will be rotated ‘by the second against
anism comprising an arm pivotally connected to one of
the resistance of said spring and thereafter disconnect said
said members and slidably connected to the other of said ,
arms for unopposed movement of the movable member
members‘ whereby movement of said movable member
on its hinge, the slidable connection of the second arm
'on its hinge ‘will move said arm toand fro, a spring 35 with the other memberrcomprising a guide track secured
anchored to said one of the members and adapted to
to said other member and a pin loosely carried by the
urge said arm about its pivot in one direction and resist
arm and slidably received‘in'said track,
movement thereof in the other direction, means oper
5. Mechanism for controlling the movement of a mov
vably connecting said spring to the am only during, a
able member hinged to a stationary member, said mecha
predetermined part of the movement of the armiin either’ 40 nism comprising a casing secured to one of said members,
direction ‘and permitting movement of ‘the farm without
an arm pivoted to the casing, a spring actuating said
further spring'action during theremain'der of its range
arm, a second arm pivoted to the casing and slidably
connected to the other member to be moved about its
of movement, said connecting meansycomprising a, gen
erally circular, portion of the arm disposed about its pivot,
pivot’ when said movable member is moved about its’
a pivoted member adjacent said portion to which said 45 hinge, said arms having’ generally circular portions ad
spn'ngis connected at a point eccentric to its pivot, and 7 jacent their pivots, the peripheries of which portions are
' the generally circular portion of said arm and said pivoted
in close juxtaposition, and means on the peripheries of
member having interengageable members operativelyten
each of said portions connecting said arms during a pre
gaged during a part only of the swinging movement of
determined part of the movement of said second arm
‘the arm about its pivot.
. 2. A closer mechanism for a door
hinged to
a frame member, said mechanism comprising a casing
adapted to be mounted uponone of said, members and
L50 by movement of said movable hinged member whereby
, the ?rst of said arms will be rotated by the second against
the resistance of said spring and thereafter disconnect said
' arms for unopposed movement‘ of the movable member on
a guide track adaptgjd, torbe mounted. upon the other of
7 its hinge, the slidable connection of the second arm
said members, an aim ‘having anend portion of generally 55 with the othergmember comprising a guide track secured
circular shape rotatably mounted in the casing and hav ' to said other member and a pin loosely mounted in said
ing a follower adjacent its other end slidably engaged with
arm and having a head upon one end thereof slidably
7 .said track to‘e?fect rotationot said arm about its pivot
engaged in said track, the pin having a similar ‘head
. :when the door member, is moved about its hinge,,a lever
upon the other end thereof whereby said arm may be re
arm having a portion of ‘generally circular shape, rotat~
versed in position and the last-named head engaged’
‘ably mounted in the casing adjacent the: generally circular
in said track. 7
'
end portionjot said ?rstarm, said arms beingmounted
on spaced substantially parallel axes, a spring ‘in the eas
References Cited in the'?le of this patent
ing biasing said lever'arm inrone direction, ,and cooper
,
"UNITED STATES PATENTS
- ‘rating means Ton-the peripheries of the ,genenally'cir'cular 65
5969,150
7
Andersen >___V_.____'.___,___ Sept. 6, 1910
portions of said arms interengag'ed during a part only
"of the rotary movement thereof to, effect movement of a V
a one of said arms by, the‘othe‘rrdurin'g such engagement. '
~ 3. A-closer mechanism for aldoor member hinged to
a trarne' member, said mechanism? comprising a casing
'
2,626,420.
Lambertet al. ________ __ Jan. 27, 1953
2,653,043“
Carlson. __'____'...___;__,_ Sept; 22, 1953
'j ,
271,560
FOREIGN PATENTS
Germany '__>___V _______ __ Mar.’ 21, 1913
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