Push catch for doors

Application filed July 16. 1926. Serial No. 122,820.

tically disposed plate 15, the upper portion of which overlies the inner end of the aperture 12 and formed integral with the upper portion of this plate and projecting into said ⁸⁰aperture 12 is an externally threaded tubular member 16.

Plate 15 is secured to the door 10 in any suitable manner, but we prefer to make use of a single screw 18 that passes through an ⁸⁵aperture in the lower portion of said plate and said screw being seated in the body of the door.

Formed integral with the sides of plate 15 are parallel ears 19 and seated therein is a 70 pivot pin 20 that passes through'the rear or inner portion of a horizontally disposed latching member 21. The forward or outer end of this latching member is provided with an upwardly projecting hook 22 that 75 is adapted, when the door is closed, to engage behind the depending finger 14 of catch member 13. Formed integral with the rear or inner portion of latching member 21 is an upwardly projecting plate 23 and formed ⁸⁰in the upper portion thereof is a short vertically disposed slot 24.

Screw-seated on that portion of the tubular member 16 that projects into aperture 12, is the internally threaded portion of a tubu- 85 lar stem 26 that projects a substantial distance outwardly from the outer face of the door 10.

The outer end of this tubular member 26 is provided with a head 27 in the outer 90 face of which is formed a slot 28 that is adapted to receive the point of a screw driver or like tool. The external diameter of tubular stem 26 is practically the same as the diameter of opening 12. 95

Extending through tubular stem 26, and tubular member 16 is a push rod 29 and formed on the outer end of this rod is a button 30. Formed on rod 29 a short distance inwardly from the button 30 is a shoulder 100 31 and arranged on said rod and bearing against this moulder and against the end of tubular member 25 is an expansive coil spring 32. . ...... ,, ,

The inner end portion of rod 29 is thread- io5 ed as designated by 33 and mounted on said threaded portion is a small block 34 from the sides of which depend ears 35 that overlie the upper portions of ears 19. Seated in the depending ears 35 are the ends of a pin no 36 and said pin passes through short horizontally disposed slots 37 that are formed in

Our invention relates to a push catch for doors and the subject matter herein disclosed and claimed is an improvement on the push catch for doors that forms the sub5 ject matter of our co-pending application for U. S. Letters Patent filed March 25, 1926, Serial No. 97,193.

The principal objects of our present invention are to generally improve upon and sim10 plify the construction of the latching device that is set forth in our aforesaid copending application as well as other existing forms of similar devices; to provide a push catch that is especially applicable, lor 15 use on the doors of cupboards, closets, medicine cases, book cases, and the like; to provide a structure that may be readily adjusted to permit of its being easily and quickly installed on doors of different thicknesses; ²⁰ and further, to provide a latch of the character referred to-that may be used in connection with plain or ornamental knobs of wood, glass, metal, porcelain, or composition. ·, , i · x ·

With the foregoing and other objects in view, our invention consists in certain novel features of construction and arrangement of parts that will hereinafter be more fully described and claimed and. illustrated in the ³⁰ accompanying drawing, in which

Fig. 1 is a vertical section taken lengthwise through the center of a push catch of our improved construction and showing the same in position for use upon a door.

Fig. 2 is a sectional view taken on the line 2—2 of Fig. 1. .,

Fig. 3 is a vertical section taken on tne line 3—3 of Fig. 1..

Fig. .4 is a horizontal section taken on the ⁴⁰ line 4- -4 of Fig. 1..

Referring by numerals to the accompanying drawings which illustrate a practical embodiment of our invention, 10 designates a door and 11 a shelf or partition to the rear ⁴⁵ of said door, and for the accommodation of our improved latch a relatively small circular aperture such as 12 is formed through the door in a horizontal plane just below the plane occupied by the under face of ⁶⁰ the shelf or partition. Secured to the underside of the shelf or partition a short distance rearwardly from its front edge and in line with the aperture 12 is a catch member 13 having a depending finger 14.

⁶⁵ Positioned against the inner face of door 10 below the opening 12 is a narrow vera 1,664,676 the ears 19 ancl said pin also passes through the slot 24 that is formed in the inner end portion of latching member 21. .....

The block 34, after adjustment: upon the sj threaded portion 33 of push rod 29, may be locked in its adjusted position by means of a set screw 34^a that is seated in the side of said block.

Positioned on that, portion of the tubular 30 member 25 that projects outwardly from door 10 is a knob 38 of wood, glass, metal, or other suitable material, and formed in tile outer end of said knob is a recess 39 that is occupied by the head 27.

J 5 When the parts are properly assembled for use and applied to a door they occupy the positions as illustrated in Fig. 1 with the hook 22 engaging depending .linger 23 and said hook and the operating parts of the 20 latch being held in the positions shown by the expansive power of spring 32 acting on rod 29.

To release the catch in order to open the door, the knob 38 is engaged between the 25 first and second fingers of the hand and the thumb is pressed against button 30, thereby moving rod 29 inwardly against the resistance offered by spring 32. As the rod is thus moved inwardly, the pin 36 that is car30 ried by the depending ears 35 of block 34 will traverse the horizontal slots 37 and the bearing of the pin 36 against plate 23 at the front edge of notch 24 will swing the latching member 21 upon its pivot pin 20, thereby 35 moving the free end of said latching member downwardly and disengage hook 22 from finger 13.

The door may now be opened and when the pressure of the thumb on button 30 is -10 relieved, spring 32 will act to restore the operating parts to their normal positions.

When the door is again closed, the hook 22 on the free end of latching member 21 will strike against finger 14 and pass down15 wardly beneath said finger and immediately, under the influence of spring 32, latching member 21 will swing upwardly to .its normal horizontal position so that hook 22 will re-engage behind depending finger 14, thus »0 latching the door in closed position.

Tubular member 26 may be adjusted inwardly or outwardly upon tubular , member .16 for the accommodation of knobs of different lengths and block 34 may be adjusted 35 upon the threaded portion 33 of rod 29 in order to control the position of latching member-21 and also to control the length of its vertical swinging movement.

In applying our improved latching device ⁽ⁱ⁰ to. a door, it is only necessary to bore a single small hole in said door and to set only two screws, one of which fastens plate 15 to the inside of the door and the other fastening plate 13 to the shelf 11.

^6,:·' A particularly desirable feature of our latch is the arrangement of the hook 21 and hook actuating parts 34, 35, and 36 wholly beyond the inner surface of the door to which the device is applied, for by such arrangement it is not necessary to notch or re- 70 cess the door for the accommodation of the parts just mentioned.

A door latch of our improved construction is comparatively simple, may be easily and quickly installed, may be readily adjusted 75 so as to be applied to doors of different thicknesses, and is adapted to receive practically all sizes and designs of ornamental knobs.

It will be understood that minor changes 80 in the size, form and construction of the various parts of our improved door latch may be made and substituted for those herein shown and· described without departing from the spirit of invention, the scope of 85 which is set forth in the appended claims.