US2028424A - Door-closing device - Google Patents

Description

Jan. 21, 1936. V 'N 2,028,424

DOOR CLOSING DEVICE Filed June so, 1934 Patented Jan. 21, 1936 v i V UNITED STATES PATENT OFFICE,

} 2,028,424 DOOR-CLOSING DEVICE Albert van Dillen, Amsterdam, Netherlands Application June 30, 1934, Serial No. 733,225

3 Claims. (01. 292-78) The object of the present invention is to ob-. the closing device, and the springs may beentain a. simple door-closing device for use on a closed in a casing 3. In Fig. 2, the movement of double-swing door. the springs towards each other is limited by The device employed for this purpose accordstops I and 8.

ing to the invention belongs to the type which The arrangement shown in Fig. 3 differs from 5 remains inoperative except when the door is nearthat of Fig. 2 in that the springs, instead of bearly closed, and the invention consists in the proing direct against the head of the lever, act on vision of a double-armed, forked lever which'is the latter through the medium of pivoted arms mounted on the door frame in position to be II and I2 between which a stop I3 is arranged. 1Q swept by the free edge of the door, spring means By this arrangement the advantage is obtained being provided which tend to urge the lever into that there is no need for the springs to occupy a central position except when it occupies a given a definite position relative to the lever. position of obliquity in either direction, and a In the arrangement shown in Fig. 4, the door 211 coupling member being fitted on the door which only opens in one direction, and the spring 6 and normally engages in known manner in the fork arm l2 'are therefore omitted. The closing lever of the lever and which is adapted to leave and consists of a plain rod or bar l4, and the means re-enter the fork after the lever has been turned for coupling the lever to the door consists of an by the door into either of its oblique positions. inclined arm ll which is secured to the door and Fig. 1 of the accompanying drawing represents fitted with two distanced rollers I5 and I6 bea side view of a device constructed according to tween which the rod 14 engages when the door is 20 the invention, closed.

Fig. 2 is a section on the line II--II of Fig. 1, The latter arrangement can advantageously be Fig. 3 is a sectional view like Fig. 2 of a modiused on cupboard doors, chest lids and the like fied construction, and for causing them to snap into closed position, Fig. 4 is a sectional view of a still further modithe catches ordinarily used for this p pose be- 26 fied construction. ing omitted.

In the constructions shown in Figs. 2 and 3 the Iclaimi device comprises a forked, double armed lever 4 l. A closin d ce o e character desc ibed which turns about a center on the door frame for double-Swing comprising a uble- 30 l and which is controlled by two springs 5 and armed, forked lever mounted on the door frame 30 6. The latter act in opposite directions on the in position to be swept by the free edge of the head of the lever and tend by their mutual acdoor, spring means tending to urge the lever into tion to maintain it in a central position. On a central position except when the lever occupies a projecting stud 9, the door 2 carries a roller a given position of obliquity in either direction,

H] which engages between the fork members of and a coupling member on the door normally 35 the lever and thus co-operates with the latter engaging in the fork of said lever and adapted to for maintaining the door closed. The door is leave and re-enter the fork after the lever has adapted to open in either direction and will, when been turned by the door into one of its oblique opened, turn the lever 4 into an oblique position, positions.

4.0 as shown by dotted lines in Figs. 2 and 3, where- 2. A structure as claimed in claim 1 wherein the 40 upon, on further opening movement of the door, spring means comprises two resilient arms which the roller 10 leaves the fork and frees the door hear from opposite sides against the lever, and from the closing device. The springs are so arstops which limit the movement of the arms in ranged that, when the lever has been turned by inward direction.

the door into the position in which the roller can 3. A structure as claimed in claim 1 wherein 45 leave the fork, the spring pressure is directed tothe spring means comprises'a pair of pivoted arms wards the center of the lever. The latter will adapted to bear against the lever from opposite therefore remain in this dead center position sides thereof, a spring tending to urge each arm so that the roller ID, on the door being reclosed, against the lever, and a stop arranged between can again enter into engagement with the closing the arms for limiting the inward movement theredevice. of.

The door may be recessed for accommodating ALBERT VAN DILLEN.

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