US2430727A - Doorknob - Google Patents

Description

DOOR KNOB Filed oct. 4, 1944 |NvENToR- SIGURD l? MORGEN Patented Nov. 11|, i947 U'Nlrso signi-tl r.- Mogon, ew Britain, V`coltojl., assign@ to The American Hardware Corpora-tion,- New Britain, Corni; a corporation of Connecticut Application October 4, 1944, Serial No.

Vt'fantast- The' present invention relates to' door knobs, 'and has special reference to door k-. bs of the type that are rita-do of a plurality of components assembled iit a complete liob.

One' 'f the objects of the invention is tor a nov improved door' kho'b of this 'o the several' components tney-'oe' made of different irlat'erialsfor the purpose of effecting nanufacturing economies and color combina- 1ons. A other oloje'ot of the' invention ls to brot/ido a door' knob of the character indicated ivl'l'ich is capable i being' either i'xed to the spindle in the manufacture hereof, or Iliade adjustable ori the sp dle' t' suit varying thicknesses of doors iiay be used in pairs with both knobs either fixed or vadgustable o'r one fiied and the other adjust'- able.

further object of the invention isto provide a door knobl f this character which is capable of being assembled to a spindle Without visible vidence of the means or the Ymethodl employed.

The invention is illustrated, by of eaniple, in tHe accompanying' drawings, in Which- Fig. 1 isv an ei'plod'ed vieiv in perspective of a pair of door' knobs and a spindle embodying features of the invention in their preferred form;

Fig. 2 is a longitudinal `sectional view, partly in elevation, of a pair of knobs assembled on a spindle;

Fig. 3 is a sectional plan view taken on the line 3-3 of Fig. 2;

Fig. 4 is a sectional View, partly in elevation, taken on' the line Ll-fl of Fig. 2;

Fig.- 5 is a sectional View, correspondil'ig to a portion of Fig. 2, showing a modified form of securing means for the inner knob; and

Fig; o' is' a 'sectional View taken' on the line" 'l-L6 of 5.

The knob-ossomblyil1ustrated in Figs. 1 and 2 of 'the drawings comprises an outside knob 2, an iris'de lmob '4, and' a 'spindle 6. Each of these knobs comprises a top'or caps, al knob shank is, an assembly plate l2, and a cover M.

The cap 8 of each knob is provided with an axial aperture having its outer portion counteru bored or otherwise enlarged to provide an outwardly opening recess I6. The bottom of this recess is provided with diametrically arranged lugs Il. A shoulder I8 is formed in the recess l5 adjacent the bottom of the recess. This shoulder is provided with diametrically opposed notches 20 arranged transversely of the lugs Il. rIhe cylindrical side wall of the recess is provided With diametrically opposed vertical recesses or grooves 22 arranged in allument with the notches 29.

The knob shank Ill of each knob is substantially cup shape and has its closed end provided with a square aperture 24 to receive the spindle, and its open end abuts against the inner side of the Y tions o' for u h a adapted to o ve' the" ears 2li on the k s le", the' assembly plate and knob sn l; being secured together by riveting-over the lo clotting ends of the ears 25. The assembly' is 'further pro' 'ood outwardly pro; g oon/edities or tup-32. "Too @over s4 'of caen knob' ls ono-shape and lo provided 'opposed 'curved lugs of' ones This cover, n tno parte of knob are assemblea, 'is adapten to4 be oetaenabiy secured 'in the outer nd 'of the recess lo' withl its" oligo abutting asa t 'a annular shoulder' so tno tvall'oftho f e@ snapte-'d tho ver is hold being re toko' rigleoesse's or grooves T outer si' over it conforms ap'- p-iinately' with' the outer' contour' ot the knob cap 8.

In the case' of the oite'r'khb 2, the assembly eo to outer eno' meer otherwise. tho inner idioot beootaon'- to the spinale ano; may 'be nado itloilly or @spindle tov ooo;-

ffo ontjt or oss s of doors'. .In the snoda in 'Fig'. 2' tno inner one of tno' Spinola-instead' or seing nxoo tothe plato le', or. tias through aperture in "tno tno lriolo may oe secured to the' die by any which extends through aperture the shank" l-iand is sre'iifthr'aed fiiit'o one' a series 'of apertures the spindle. Iii the case of t i. kb, the kl'iol'aY lll rnayeither be 'e'lde' solid and provided with a square broached hole to receive the spindle, or, as shown, may be provided with a ller piece or stuffer l2 to serve the same purpose.

In the form of inside knob shown in Fig. 5, the spindle B extends through a central aperture in the assembly plate I2, and its eXtreme end is screwthrea-ded to receive a nut 44. By adjusting this nut, the spacing of the knob may be varied to compensate for different thickneses of doors. The nut ,44 may be held in adjusted position by means of a conventional. lock Washer 45.

It will b'e apparent that the parts of my improved knob may be cheaply manufactured and easily assembled and when assembled are securely held. Moreover, When assembled, the

means and method of securing the outer knob is not visible, and the same is the case as to the inner knob shown in Fig. 5. However, if desired, any conventional means may be employed for securing the inner knob such as that illustrated in Fig. 2.

The parts of the knob may be made of different materials and of dilerent colors. The knob cap may be made oi molded plastic material or cast metal and the cover I4, shank I and assembly plate I2 of sheet metal.

The knob may be used in pairs as illustrated in Fig. 2 or singly. When used in pairs both knobs may be fixed or adjustable or one xed and the other adjustable.

As will be evident to those skilled in the art, my invention permits Various modications to be made without departing from the spirit thereof orthe scope of the appended claims.

What I claim is:

1. In a door knob, the combination of a knob cap provided with an axial aperture having an enlarged outer portion forming a recess and having a shoulder spaced inwardly from the bottom of the recess, a knob shank having one end abutting said shoulder, an assembly plate positioned at the bottom of said recess and secured to said shank, said assembly plate and wall of said aperture having coengaging portions to key the plate to the knob cap, and a cover for the outer end of said recess, said knob shank being adapted to receive a knob spindle with the end of the spindle engaging said assembly plate.

2. In a door knob, the combination of a knob cap provided with an axial aperture having an enlarged outer portion forming a recess, a knob shank extending into the inner end of said aperture, and an assembly plate positioned at the bottom of said recess, the inner end of said shank and said assembly plate being secured together to hold the shank from axial movement in one direction, and said shank and Wall of said aperture having co-engaging portions to hold the shank from axial movement in the opposite direction, said knob shank being adapted to receive a knob spindle with the end of the spindle engaging the assembly plate.

3. In a door knob, the combination of a knob cap provided with an axial aperture having an enlarged outer portion forming a recess and having a shoulder adjacent the bottom of the recess, said shoulder havin-g opposed notches therein, the bottom of said recess having outwardly projecting lugs, a knob shank having its inner end abutting said shoulder and having projecting ears extending through the notches in said shoulder, a knob spindle extending through the said shank, an assembly plate secured on the outer end of said shank, received in said recess, and provided with notches therein to receive said lugs to key the plate tothe knob cap, and said assembly plate having apertures receiving said ears on the shank, said ears being adapted to be riveted over to secure the assembly plate and shank together, and a cover for the outer end of said recess, said cover and assembly plate having coengaging clips for detachably securing the cover plate to the assembly plate.

4. In a door knob, the combination of a knob cap provided with an axial aperture having an enlarged outer portion forming a recess, a knobshank extending into the inner end of said aperture, an assembly plate positioned at the bottom of said recess, the inner end oi' said shank and said assembly plate being secured together to hold the shank from axial movement in one direction, and said shank and wall of said aperture having :3o-engaging portions to hold the shank from axial movement in the opposite direction, and a knob spindle extending through the shank with its end secured to the assembly plate.

5. In a door knob the combination of a knob cap provided with an axial aperture having an enlarged outer portion forming a recess, a knobshank extending into the inner end of said aperture, and an assembly plate positioned at the bottom of said recess, the inner end of said shank and said assembly plate being secured together to hold the shank from axial Inovernent in one direction, and said shank and wall of said aperture having co-engaging portions to hold the shank from axial movement in the opposite direction, a knob spindle extending through said shank and an aperture in the assembly plate, a nut screw-threaded on the end of the spindle against the outer side of said assembly plate, and a cover for the outer end of said recess detachably secured in position.

SIGURD P. MORGEN.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Number v Name Date 538,952 Donovan May 7, 1895 1,487,975 Riddick Mar. 25, 1924 1,753,700 Grail et al Apr. 8, 1930 1,840,706 Ellingson J an. 12, 1932 2,105,616 Shaw Jan. 13, 1938 2,105,617 Shaw Jan. 18, 1938 2,123,539 Morgen July 12, 1938 2,208,592 Mariani July 23, 1940 2,216,467 Falk Oct. 1, 1940

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