US2156486A - Mounting for doorknobs or handles - Google Patents

Description

May 2, 1939. G E, WERTZ .MOUNTING FOR DooRKNoBs 0R HANDLES Filed 001;. 24, 1938 A tiorneys Patented May 2, 1939 UNITED STATES PATENT lorf1=lf..ci:

4 Claims.

This invention relatesto mountings lfor doorknobs or handles on latch operating bars, and hasr for the primary object the provision of a device of this `character which will eliminate the use of screws or like fasteners now employed forsecuring the knob or handle on the bar and which will provide a construction that will permit a knob or handle to be easily pushed in place on the Abar and automatically become secured thereon until manually released which maybe easily and quickly brought about when desired. With these and other objects in view, the invention consists incertain novel features of construction, combinationand arrangement of `parts to be hereinafter more fully described and claimed.

For a complete understanding of my `invention, reference ,is to .be had ,to the .followingdescription and accompanying drawing, in .which Figure 1 is a .vertical sectional view, partly in elevation, showing mountingsfemployed for the securing of a door handle or door knob. on a latch operating bar andconstructed in accordance with myy invention.

Figure 2 is a transverse sectional view taken on the line 2-2 of Figure 1.

Figure 3 is-a .fragmentary perspective View :illustrating one end portion of the latch operating bar.

Figure 4 is a perspective view illustrating a combined retaining clip andspring.

Figure 5 isa perspective view illustratinga core.

Figure 6 is a top plan view-illustrating the core with a dog mounted therein.

Figure "lisa perspective viewlllustrating the dog.

vFigure 8 `is a transverse sectional View illusn trating one of several shapes in cross section that the operating b ar may take.

Figure 9 is a view similar to Figure 8 showing another shape of the operating bar with the bore of the core shaped accordingly.

Figure 10 is a View similar to Figures 8 and 9` showing another shape in cross section of the operating bar and the bore of the core shaped to match therewith.

Referring in detail to the drawing, the numeral 5 indicates a fragmentary portion of a door and 6 a latch operating bar. It has been customary to detachably secure on` the bar 6 door knobs or handles through the use of set screws and other similar fasteners which have proven unsatisfactory due to the working loose of such fasteners and freeing the door knob or handle, The purpose of the present invention is tol eliminate the ybe of afcorrespondingshape in cross section.

vmay have pivotal movement.

stood that after the lugs 2| have been positioned 50 use of such fasteners and in Figure 1 is shown the present invention detachably mounting on the operating bar 6 a door knob 'l anda handle 8 both of which are equipped with chambers 9 `in which are mounted cores I0. The mouths of the 5 chambers` are partly closed by inwardly directed flanges I I for retaining the cores in the chambers 8. It is preferable that projections `or teeth be formed on the inner faces of .the flanges toenv1 u gage in notches in; the ends of the cores for se- 'lu curing the coresl against rotation with respect to the door knob and handle. However, other means may bepro-Vided to'bringthe securing ofthe cores against rotation inthe chambers. VIt is further, ,L understood that the co-res are Viirst positioned in P5 faces .and the Ycores -IIJ have bores I2 to receive i320 the .end vportionso'f the operating bar, the shape of .the boresof thecoresmatching the cross lsectional shapesofthe ,operating bar. The operating bar ,may Vbe madeof Yvarious cross sectional shapes as shown inFi-gures 8, 9.and v10 or of rec- L25 tangularshape in cross sectionlas vsuggested in Figures 1 fand-.5, that is Vin Figure l5 the bore of the core is `shown vof rectangular'shapa consequently thebar used in connection therewith will wardly through a `side of Athe core and `also eX- 535 tendingfrom end to end thereof. The'core'sub- `stantiallyintermediate its lendsfis provided with Anotches I4 which communicate with the slot -I3 and form :seats or rests Afor a dog I5. Thecore Il) is further provi-ded with an annular groove llc40 I6 communicating with the notches I4 in which is mounted a split spring clip I'I having integral therewith a spring iinger I8 adapted to bear on the dog I5 for urging the latching end I9 of the dog into engagement with a notch 20 formed 45 in the latch operating bar. The dog has formed thereon oppositely extending beveled lugs 2I adapted to rest in the notches so that the dog It is to be underin the notches I4 with the dog lying in the slot I3 the split spring clip I'I is placed in the annular groove I 6 to overlie the dog and retain the same within the slot I3 for pivotalmovement. The non-latch end of the dog I5 is in the 55 form of a beveled extension or portion 22 normally overlying an opening 23 formed in the knob or handle so that an instrument indicated by the character 24 may be inserted in the chamberand against the portion 22 for rocking the dog I5 on its pivot against the action of the spring finger I8 to disengage the latch end I9 of said dog from the notch 20 of the latch operating bar to free the knob or handle therefrom.

The ends of the latch operating bar are beveled, as shown at 24, the purpose of which is to permit said end to readily enter the bores of the barrels when the handles or knobs are pushed onto the latch operating bar and also to force the latch ends I9 of the dogs downwardly into the slots I3 so that the cores may readily slip onto the latch operating bar until the ends I9 of the dogs move into the notches 20 thereby automatically locking the knob and handle on the latch operating bar. Therefore, it will be seen that all screws and similar fasteners are entirely eliminated through the employment of the present invention and the latter permits a knob or handle to be readily pushed onto the latch operating bar and become automatically secured thereon and may be manually released through the use of a simple tool insertible in the opening of the knob or handle for moving the latch end I9 of the dog out of the notch of the bar.

It is believed that the foregoing description, when taken in connection with the drawing will fully set forth the construction and advantages' of this invention Vto those skilled in the art to which such a device relates, so that further detailed description will not be required.

What I claim is:

1. In combination with a knob or handle having a chamber, a core mounted in said chamber against rotation and against withdrawal therefrom and having a bore provided with angularly related faces, a latch operating bar having angularly related faces and a beveled end to be received in the bore of the core and provided with a notch, said core having a slot communicating with the bore and opening outwardly through a side thereof, said core having notches in communication with the slot, a dog received in said slot and having a notch engaging end to engage in the notch of the bar, oppositely extending lugs formed on said dog and resting in said notches, and means for releasably securing the dog in the slot and acting asa tension means therefor.

2. In combination with a knob or handle having a chamber, a core mounted in said chamber against rotation and against withdrawal therefrom and having a bore provided with angularly related faces, a latch operating bar having angularly related faces and a beveled end to be received in the bore of the core and provided with a notch, said corer having a slot communicating with the bore and opening outwardly through a side thereof, said core having notches in communication with the slot, a dog received in said slot and having a notch engaging end to engage in the notch of the bar, oppositely extending lugs formed on said dog and resting in said notches, said core having an annular groove connecting with the notches, a split spring ring fitting in said groove and overlying the dog and the lug thereof to retain the lugs in the notches for pivotal movement.

3. In combination with a knob or handle having a chamber, a core mounted in said chamber against rotation and against withdrawal therefrom and having a bore provided with angularly related faces, a latch operating bar having angularly related faces and a beveled end to be received in the bore of the core and provided with a notch, said core having a slot communicating with the bore and opening outwardly through a side thereof, said core having notches in communication with the slot, a dog received in said slot and having a notch engaging end to engage in the notch of the bar, oppositely extending lugs formed on said dog and resting in said notches, said core having an annular groove connecting with the notches, a split spring ring fitting in said groove and overlying the dog and the lugs thereof to retain the lugs in the notches for pivotal movement, and including a spring finger to bear on the dog for urging the latter into engagement with the notch of the bar.

4. In combination with a knob or handle having a chamber, a core mounted in said chamber against rotation and against withdrawal therefrom and having a bore provided with angularly related faces, a latch operating bar having angularly related faces and a beveled end to be received in the bore of the core and provided with a notch, said core having a slot communicating with the bore and opening outwardly through a side thereof, said core having notches in communication with the slot, a dog received in said slot and having a notch engaging end to engage in the notch of the bar, oppositely extending lugs formed on said dog and resting in said notches, said core having an annular groove connecting with the notches, a split spring ring fitting in said groove and overlying the dog and the lugs thereof to retain the lugs in the notches for pivotal movement, and including a spring finger to bear on the dog for urging the latter into engagement with the notch of the bar, said dog having one of its ends beveled to form an extension, said handle and knob having an opening to permit a'tool to be inserted therethrough for engagement with the extension of the dog for disengaging the latter from the notch of the bar.

GLENN E. WERTZ.

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