US2078303A

US2078303A - Door hinge

Info

Publication number: US2078303A
Application number: US748175A
Authority: US
Inventors: Emil A Zetmeir
Original assignee: Individual
Current assignee: Individual
Priority date: 1934-10-13
Filing date: 1934-10-13
Publication date: 1937-04-27
Anticipated expiration: 1954-04-27

Description

fportion. y l 'Anotherobject of. vmy invention -i s to vprovide.

, less operation of the hinge.

Patented Apr. 27, 1937 been, man

' aan A-f @mit um, me

what is known as ailoor hinge for a two-*way swinging door of the type'generally employed between dining roomsand-pantry andas inner doors atthe endsof thermainxaisles ofyPllllmancars.

vThe 'object ofrmy v.invention is to provide anl v ea's'yffandfnoiseless operating door hinge wherein thelweight of-'the doorfis carried Aby, a rotative? portion ofthe hinge which has anti-friction Abear--v ing relation with a 'dirt fand water-proof:y construction whichrequires'uno adjusting screws-or.` otheraelements which 'are -apt tov work vlooseand interfere with the proper operation of the door. 0.

A further object of the mventlonistne previ# sion otra construction wherein .the moving parts' .maybeiimmersedin oil `thus ensuring constant:

lubrication of the'movableparts and the noisef The above enumerated objects. and the advantagesfinherent in the construction will all be more fully comprehendedv from the following detailed description ofthe accompanying drawing wherein:

Figure `lisa. sectional elevation,.of portions of a-"dooryand door-.casing with-parts. broken away and showing' the'A application of my im-i proved hinge. rj.

Figure r2 ia. cross `sectional -view taken subfL stantially-onthe line 2-201 1'. igurei1.v

' F'igurefiisv a -sectionalview taken substantially on the line-3 3 of 1"lgure2.'`

. Figurel is adetail perspective view-of the top cap member` of my improved hinge.

ll'igui'ey 511s a detalluperspectivepofthe roller bearing'holding ring; .Y --Figure Gnisadetail perspective -of th'efbottom cap or supporting member. f a My improved hingels intended for doors adaptedtov swing in oppositedirections .and wherein .the hingegis .intended to be secured to the' oor to` carry the1entire,weight of the door; while 'the door is intended normally `to be, returned to closed position.4- f f In the particular exempliilcation',` portionsof- -a door are shown at I ithe upper part of the door adjacent its4 rear edge being` preferably provided .with an apertured plate H adaptedto receivela short'piniZ secured to the top frame member 1.3i the pin permitting the door to swing* thereabout in either direction from the'closed position shown inv Figure 1; the side member of the door-frame beingfindicate'd atp",` y I' The `lower rear endo!v `the dooris cutaway or invention `.relates more. particularlyf to the floor engaging base-.or footsocketed I y vertically disposed and has its wingsorwalls it, I6 secured to' opposite. sides of thefdoonthe rear wall of thecasing belngshown. arcuateto ,conf form with the vusual. .,urved rear` edge of ,doorsv of this `general character. A

@Within thesernicirc y r. or arcuatel portion of the'casing l5 isganouter.,cylindrical member or tube I1 whose interior at the lower end is t hreaAfied and screws on tothe externally threaded portion of thesupporting member.l I8. SuDDOlting member i8 is shownin `Figure 6 'and comprises the fioorengaging flange i9 shown providedwith screwholes whereby the 'member may b'eimmo'vably lsecuredto. the: nog?. as shown `in Figures l ,and` 3. .The upstanding'gportion of the member Il fiseiternally 4threaded at 2 0 as previously stated to` receive thefoute'rtube I1 while the upper end above'the threads isl reduced tol provide a shoulder 2i, thet p is provided with a trans# verseiy spsdgdeep ys100 22.]

.The slot V22 isintended to receive the bent lower` end Zil of a coil .spring 24;l while the

annular shoulder

21,15 intended te supprt'thefant1rrlc'j tionmeans consisting ofthe ball bearings 25', and

race-warmemberslali, see Figure 3.

. -Annular members,- 26 are each providedwith i an annulangroove 2 see Figure 5) toreceiv'e the balls 25 vand top member 26 supports the' lower end of an y inner tube 18 whichencases the spring 24: The racewayffproviding members 26, gf..

26 are also each provided withl a circularhole 29 disposedftherethrough ifor'V passage ofthe lower bentend23 ofthe coilspring uso the two members 26 may rotate about the bentlendlzl and fit about the reduced upper end of the .base -member a- `top. cap member 3| @the member 3| being preferably provided with anannularflange 3.2

adapted to'form'an abutment for'thefupper end of inner` tube 28;.'and' to also lap the upper en d of louter'. tube l1. l The' top. of4 cap memberg I I is preferably' provided with anupst'andingboss porsection and adapted ltof-fit into a non-circular socke'tin'a plate "which is adaptedto t snugly between thefside vwams l '0; le 4ofl the casing ls, to

y tion which is`o fv angular or non-circular crossv` which itmay securedfthe side .walls i8; le o fjthe casing holding the plate j or"blockr' Il against-rotativemovement, j Y I*lfhe lowerend of ap memberll is shown proto receive the upper bent end 36 of the. coil spring 24, as shown in Figure 3. Y

It is apparent that with the angular or noncircular boss 33 of cap member 3i inserted in the non-circular hole of plate 34, cap member 3l will be held against rotation about its axis; and with the upper` end `33 of coil spring 24 in the slot 35 of cap member 3|, while the lower end 23 ofthe spring is inthe slot 22o! the immovable vsupporting member I3, rotation of the -4 spring about its axis is impossible and the spring therefore placed under torsional strain when the door I0 is swung to either side of its normal vertical plane. It is evident, therefore, that as soon as the door is released the torque of the spring will be imparted to the door I3 through capy member 3l and its non-circular boss 33 to the plate member 34 secured tothe door.

Disposed between the sides Ijs, is of the casing IlA andpreferably intermediate of the top and the bottomi thereof is a horizontally disposed cas ing 31 provided with a closed end 38 which has a threaded opening to receive the threaded pinV 33 of a compression member y4II whose inner end receives and bears on a coil spring 4I; the outer endof the pin `33 being preferably provided with a suitable lhead 42 whereby the pin maybe more easily rotated; l

Y The other o'pen end of the casing 31 is provided with a roller carrying block 43 against which the inner end of coil spring 4I bears, causing the block 43 to be yieldingly forced toward the openend of the casing 31 and hence into proximity with the outertube I1. The block 43 is slotted to receive aroller 44 whichl is rotata-` bly held in place in the block by a suitable pin 45 the rollerbeing of a size, or so mounted in the block, that its perimeter willextend beyond the end of the block 43 as shown in Figuresgand 3. The, block 431s non-rotatably held in the casing 31 by means of 'a pin 46 which is securedto the block 43 and is adaptedto ride in a s lot 41 in the side of casing 31. The casing 31fis inserted in a suitable socket formedf-in the-door v'I3 and is held in position by some of the screws whereby the side walls or plates- I3,- I3 of the main casing Il aresecured to opposite "sides of thedoor I3. f

.The outer' tubemember I1. at a point ,coin cident with the horizontal plane of the roller 44, is provided with an annular rib or flange 43 (more clearly showny ln'Figlire 2)` which. at prearranged points on its perimeter, has the depressions or sockets 43. -y

These sockets are adapted to `form seats for the ro11er;44.- As the tube I1 is secured to the supporting floor member I3,-tube,i1 will not rotate during swinging movement of the door and as theannular socketed an'ge 43 is-integrally united-with the tube ll1 it is apparent that when the door is lswungimiiiciently to either side, the

`roller-'44l willride'onto ythe main perimeter of the'nange 43,A while .the block43 moves inwardly against the vaction o! the spring'4l; Ithis movement/of theblock being possible because of the slot-and-pinjrelationbetween Ablock 43 and the casing".` Thespring 4Iv causesthe door to be constantly under more ,or less tension thus causingthe door toremain in its closed` position with the roller 44 in one of the sockets 43 of the flange as shown inAFigure 2; orto-remain in a complete open position when thev roller 44 iseither in the socket" at the top or socket 43 at 'the bottom koi' the structure vas viewed in ll'lgure2; namelywhenthedoorhasbeenswung the left of its central or closed position.

With the lower end 23 of the spring 24 insertedv inthe immovable floor member or pedestal I3,

' it is apparent that the spring 24 will be placed under torsional or twisting strain-either in a winding or unwinding directionwhich induces the door to return to closed position as soon as the roller 44 has been moved out of a socket 49; the spring 24 being in normal condition when the door is closed.

The rear arcuate wall of the shell or casing I3 is formed with a slight bulge at 53 to provide sufilcient space for the arcuate ange 43.

Y The tube I1 is secured at its lower end to the floor member or pedestal I3, by means oi' a set screw II which will prevent tube I1 unscrewing and inner. tube 23 is held against rotative movement on top member 3l by suitable set screw l2. Oil or other proper lubricant maybe put into inner tube 23 before `the top member 3l has' ings will flow from tube 23 through lthe top bearing member 26 and will also pass through holes I3 in the inner tube 23, andV into the outer tube I1 which will also direct lubricant toward the ball-bearings and thus provide lubrication for an indefinite period of time and thereby present a noiseless door supporting hinge. At the same time'it is apparentthat a dirt and water-proof construction is also provided; a construction requiring no adjustment as the usual adjusting screws are eliminated and hence there are no screws to work loose.

The construction shown and described is believed to be the simplest and best embodiment of my invention which I have described in -terms not as terms of limitation, as structuraly modi.

fications are possible and may be made without, however, departing from the spirit of my invention.

What I claim is:

1.k A hinge of thecharacter described comprising a supportingmember adapted to-be secured to the iloor and provided with an upstanding spring-end holding portion; a coil spring verticallydisposed with its `lower endassociated with said holding portion of the supporting member, a member immovably secured to the door at the upper end of the spring and adapted to receive the upper endo! the spring; a tubular casing disposed about the spring intermediate of the two members and secured at its upper en i to the last mentioned member so 4as to move therewith while its lowerend has rotativebearing relation on said supporting member, -whereby .the door is rotatably supported in place. and a casing vadapted to iit about the tubular casing, the second mentioned member, the upper end of said supporting member and to lap `the opposite sides ofthe door and be immovably secured thereto, wherebythe door is held against lateral displacement.

the portion'of'fthe' member -beneaththe iiange' being threaded and the lower end provided withl 1s ay transverse slot adapted to receive the upper end o! the spring so as to cause the spring to be twisted when the door is swung in either direction; a spring enclosing, tubular casing interiorly threaded at. its upper end to screw onto the threaded end of said iianged member and be secured thereto 4against rotation; anti-friction bearings disposed about vthe pedestal and adapted to provide supporting relation for the lower end ofy said tubular casing; and an enclosing casing adapted to extend about the rear edge of the door. about the upstanding portion ot they pedestal and to lap the opposite sides of the door andgbe secured thereto whereby laterally shiftl ing movement of the lower end ofthe door is prevented.

3. A hinge' oi' the character described comprising a pedestal member adapted to be immovis secured to the door so as to move therewithl and also having an annular shoulder and a threaded lower end, the bottom of said member having a transverse slot; a vertically disposed coil spring 'whose lower end enters the slot in the pedestal member while its upper end enters the slot in the second mentioned member whereby the spring is given a torsional twist when the door is swung in either direction andthe door when released returned to closed position; a door supporting tube disposed about the spring with its upper end secured to the threaded end of the second mentioned member while the lower end of said tube is supported by the ball-bearing raceway, said tube being adapted to hold a lubricating medium and having outlet openings in the sides:

and a tubular member secured to the pedestal through said outlet openings in the door sul porting tube and to convey the same toward said ball bearing race-way.

EMIL A.l ZETMEIR.