|Publication number||US2610500 A|
|Publication date||Sep 16, 1952|
|Filing date||Jul 8, 1948|
|Priority date||Jul 8, 1948|
|Publication number||US 2610500 A, US 2610500A, US-A-2610500, US2610500 A, US2610500A|
|Inventors||Jules Poupitch Ougljesa|
|Original Assignee||Illinois Tool Works|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (9), Referenced by (20), Classifications (8)|
|External Links: USPTO, USPTO Assignment, Espacenet|
p 1952' v o. J. POUPITCH ,6 ,50
LOCK RETAINER Filed July 8, 1948 i INVENTOR.
tially overlying the lock-receiving aperture I4 to provide means or edges for engaging the body I8 of the lock I6. These body engaging edges 29 and 3| are adapted to embrace the lock body I8 within recesses or grooves 36 and 33 provided on opposite sides of the lock body I8. The arched configuration of the head provides cam surfaces along the margins 29 and 3| of the clamping head 28, these cam surfaces enabling the retainer plate 26 to draw the lock assembly axially into mounted position on the panel 26.
Along one margin of the retainer plate 26 are two laterally extending engaging ears or tabs 32 and 34. These tabs are positioned opposite apertures 36 and 38, respectively, which are provided in the inner panel 31 of the door unit. When engaged by a tool such as a screw driver 46, the
retainer plate 26 may be rotated to lock-receiving position (as in Figure 2), or likewise, to retaining position (as in Figure 3), as desired. By this arrangement the necessity of removing the inner panel 31 to disengage the mounting means is eliminated and mounting or dismounting of the lock structure on the panel is accomplished with great facility. Ears or tabs 32 and 34 preferably are recessed by having a concave or angular face so that positive engagement of the surface with a tool such as screw driver 43 is assured, as seen in Figure 3. Furthermore, by forming the tabs 32 and 34 in this manner, a stronger tab portion is provided. When the lock retainer is mounted on a vertical panel the retainer plate 26 is preferably mounted with the clamping head 28 overhanging the aperture I4. This insures retention of the lock structure in the panel by the retainer plate 26 despite vibrations and other forces which might tend to cause disengagement of the retainer member 26 from the lock body I8.
The base plate I2 is provided with stops 42 and 44 for limiting the pivotal movement of the retainer plate 26 relative to the base plate I2. Complementary locking detents 46 and 48 are provided on the base plate I2 and retainer plate 26, respectively, to releasably hold the locking plate in lock-receiving or looking position.
In operation, the retainer plate 26 is moved to lock-receiving position, as shown in Figure 2, to .permit insertion of the lock body I8 through the apertures 22 and I4 in the outer panel and base plate, respectively. Shoulder or flange 11 of the lock body I8 engages the outer surface of the panel 26. A tool such as screw driver 40 is then inserted through aperture 36 and the retainer plate rotated about pivot 24 toward looking position. As rotation progresses, theinner margins 29 and 3| 0f the retainer plate 26 engage the shoulders provided by the recesses 36-33 in the lock body. The lock assembly is retained against rotative movement by the clamping action of the oppositely positioned engaging margins 29. and 3I of the clamping head 28 and the oppositely'positioned grooves 30 and 33 of the lock body I8. The arched margins 29 and 3| of the clamping head 28 draw the lock structure axially to seat the flange I! of the sleeve I8 against one surface of the panel and to retain the lock structure in this position.
Figure 6 shows another form of lock retainer II'Ia contemplated by the instant invention. Lock retainer IIla comprises a base plate IZa and a retainer plate 26a pivotally mounted on the base I2a by rivet member 24a. The margin of aperture I4a of the base plate [2a is provided with a series of spaced keyways or slots 56. The base plate I2a about the periphery of the aperture 4 14a is provided with pairs of circumferentially extending arms 52 and 54 which have formed thereon portions adapted to coast with the edges of panel 26a. defining keyways 56 for securing the base plate 12a to the panel 26a. Arms 54 are hook-shaped and adapted to be hooked over a radially extending edge of keyways 56 to engage both surfaces of panel a upon rotationof the base plate relative to the panel 20a, after which the L-shaped resilient arms 52 latchingly engage the opposite radially extending wall of the keyways 56. The arm 52 is necessarily resilient to permit engagement of the hook-shaped arm 54 with the panel 23a prior to the registration of the flange 58 of the L-shaped arm 52 with the keyways 6%. Retainer plate 26a has a resilient arm 64 sheared or struck from the retainer plate.
' This resilient arm has a dimple or detent 66 which is adapted to engage a complementary portion 46a provided in the base plate I2a for holding the retainer plate in lock-receiving position. A second dimple similar to portion 46a, not seen in Figure 6, is engaged by detent 66 of the retainer plate to hold the plate in locked position relative to the base plate'l2a.
In Figure 7 is shown the base plate I2 having a plurality of tabs 66 and 62 to engage opposite walls of keyways in the panel 23. This is a preferred form where the lock retainer is mounted or arms 32 or 34 on the retainer plate 26 and apertures 36 and 38 in the inner panel affords simple means for operating the look retainer structure when it is secured to the panel and eliminates the burden of gaining access to theback'structure by removal of panel sections etc.
The arching of the clamping head of the retainer 1 plate provides a very sturdy clamping head, and
at the same time provides the cam surfaces essen tialfor securing the lock against'axial movement I on the panel.
The C-shaped construction of the clamping head afiords positive locking of the fastener against rotative movement relative to the panel. The lock retainer mounting provides a unit which remains in operative position at all times, and in addition, precludes the possibility of unauthorized dislodgment of the look by vibration, tampering or jarring.
For purposes of illustration, one practical application of the retainer device has been shown,
namely, the application thereof to cylindrical or pillar locks. Obviously, the invention is not restricted to use in this particular field, but is capable of many other practical applications. It
is to be understood that thisinvention should be I limited only by the'scope of the appended claims.
The invention'is hereby claimed as'followsz1 1. In a structure including spaced apart panels having at least one set of adjacent edges joined,
one of said panels having an aperture therein to receive a lock structure, a fastener for securing said lock structure in said apertured panel comprising a retainer plate pivotally mounted with respect to said apertured panel, said retainer across-e,
engagingameans andto .move-said-vlock enga i means into engagingiposition -and"out of: enga in position;-
2.1 In afstructure:includingspacedapart panels having at :least one set-f adjacent edges joined, one of said panels havingzaniaperturethereinto receive a lock structure, a fastener for securing saidrlockistructureiin said-apertured panel comprising a base plate mounted on the inner side of said aperturedpanelfisaid base plate having n-z nemns n trat n-w th: e a rsi'i the panel for receiving the lock structureg'mea pivotally mounted on said base platefor engaging the lock structure to retain the "Iocks't'ructure in mounted position on the paneljand tool engaging means on? said. lock. engaging ime'ans, said ito'ol engagingimeans being -positionedxadjacentone of the panels whereby a toolrxmay" be inserted through anraperturedmportioirf of the panel 'to engage s'aidxtod engaging means iand to 'move to receivealock structuregfa fastener for "secur ing said lock structure-in said apertured panel comprising a base plate mounted on the inner side of said apertured panel, said base plate having an opening in registration with the aperture of the panel, a retainer plate pivotally mounted on said base plate so as to be shiftable in parallelism with the plane of said base plate, said retainer plate including a clamping head adapted to embrace the lock structure to hold the lock structure on the panel, atool engaging portion mounted on said retainer plate on each side of the pivot point of said retainer plate, said tool engaging portions being positioned adjacent one of the panels to engage a tool inserted through an apertured portion of the panel whereby to move said retainer plate to the lock retaining position when one of said tool engaging portions is acted upon and to move said retainer plate to the disengaging position when the other of said tool engaging portions is acted upon.
4. In a structure including spaced apart panels having at least one set of adjacent edges joined, one of said panels having an aperture therein to receive a lock structure, a fastener for securing said lock structure in said apertured panel comprising a base plate mounted on the inner side of said apertured panel, said base plate having an opening in registration with the aperture in the panel for receiving the lock 'structure, a C-shaped clamping head pivotally-mounted on said base plate adapted to embrace flattened portions and engage shoulder portions of the lock structure to retain the lock structure in fixed position upon the panel, said head being transversely arched and presenting cam surfaces to retain said lock structure against axial movement relative to the panel, and tool engaging means on said clamping head, said tool engaging means being positioned adjacent one of the panels 'whereby a tool may be inserted through an apertured portion of the panel to engage said tool engaging means and to move said clamping head into engaging position and out of engaging position.
5. In a structure including spaced apart panels having at ileast-onmset of adiacentvedeesaioined one :of; lsaidzpanels having-anaaperture wherein; to receive a lock structure, a fastener rorseeur ne: 'said-ilockstructureinrsaid apertured paneloomprisingaabase plate mounted:onatheinnenside? olv-saidjaperturedzepanel, said: base plate having: an: opening ,ini registratiomwith itheraperture 3 in thezpanel' cior v:receiving the lock; structure, a re-; tainer platerpivotally mountedonsaid base plate; saidz 'retainerplate including ,1 a clamping *hBB-di'i adapted 'tmembrace flattened: portions and't'o em 5 gage shoulder portions of the lock str'ucture=:to-:- preveniz axial and rotativewmovement.,ofithe lock structurerelativei itozthe :pan'eLiand tool-xengaging:
'5 meanszon' saidretainer plate,:= said; tool= engaging;
means .t'beingmpositioned :adjacent one: of i'sthe": panelsa wherebyiat tool :may be1insertedrthrough: anrapertured'portion ofthepanel to engage said toolzenga'gingimeanstand :to"movexsaidretainer-r platerintoiengagingvposition and out*of'engagipg positionzz, V z i 65 In: az stru'ctureincludingzspaeedrapart panels-1: having z'at 'least one; set: at adjacent edges joined; onerof; said: panelsihaving an aperture cthereinzto receive a flock: structure, a fastener *for securing i saidi'lock structure in said apertured panel com.- prising a' base plate mounted on" the inner side: of said: apertured .1 panel; said base plateh'aving an" opening inr'zregistratio'n E'with' the aperture in .the panel "for receiving: the lock: 'structure, a zre tainer: plate pivota-lly :Zm'ou'nted on said base-'- plate, shoulder means On said base plate to limit pivotal movement of said retainer plate relative to said base plate, said retainer plate including a clamping head adapted to embrac flattened portions and to engage shoulder portions of the lock structure to prevent axial and rotative movement of the lock structure relative to the panel, and tool engaging means on said retainer plate, said tool engaging means being positioned adjacent one of the panels whereby a tool may be inserted through an apertured portion of the panel to engage said tool engaging means and to move said retainer plate into engaging position and out of engaging position.
7. In a structure including spaced apart panels having at least one set of adjacent edges joined, one of said panels having an aperture therein to receive a lock structure, a fastener for securing said lock structure in said apertured panel comprising a base plate mounted on the inner side of said apertured panel, said base plate having an opening in registration with the aperture in the panel for receiving the lock structure, a retainer plate pivotally mounted on said base plate, said retainer plate including a clamping head adapted to embrace flattened portions and to engage shoulder portions of said lock structure to retain said lock structure in flxed'position on said panel, complementary means on said retainer plate and said base plate which coact releasably to retain said plates in relative position to each other, and tool engaging means on said retainer plate, said tool engaging means being positioned adjacent one of the panels whereby a tool may be inserted through an apertured portion of the panel to engage said tool engaging means and to move said retainer plate into engaging position and out of engaging position.
8. In a fastener for securing a lock structure in an apertured panel including an apertured base plate and a C-shaped retainer plate pivotally mounted thereon, laterally extending tab means formed on the base plate, said tab means being adapted to extend into theaperture formed 7 in the panel to engage edges of the aperture-in the panelfor mounting the base plate on the panel 1 y 9 In a fastener for securinga lock structure in an apertured panel including an apertured.
base plate and'a C-shaped retainer plate pivotally mounted thereon, laterally extending hook shaped arm means formed on the base plate, said:
arm means being adapted to engage the front and rear surfaces of the panel adjacent the aperture therein for mounting the base plate on the panel.
10 A fastener for securing a lock structure in an apertured panel and comprising a base plate having an opening for registration with the panel aperture, a retainer plate pivotally mount ed on said base plate for movement in parallelism with the plane of the said base plate, saidretainer plate including a C-shaped clamping head disposed at one side of the pivotal connection between the retainer plate and the base plate'and adapted to engage shouldered portions of the lock structure to retain the same in fixed position, said head being transversely arched and presenting cam surfaces to retain the lock structure against axial movement, and means, providing tool engaging surface portions disposed on opposite sides of the pivotal connection-between the retainer plate and the base plate in relative positions such that selective pressure on one or the other of said tool engaging surface portions will shift the retainer plate and clamping head into or out of lock engaging position.
11. A fastener as claimed in claim 10, wherein the tool engaging surfaceportions are recessed to enable positive engagement of a tool therewith for shifting the retainer plate.
12. A fastener as claimed in claim 11, wherein the recessed tool engaging surface portions are provided on tabs extending laterally from the plane of the retainer plate.
OUGLJESA JULES POUPITCH.
REFERENCES CITED The following references are of record in the file of thisv patent:
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|U.S. Classification||70/370, 292/101, 248/27.1, 292/241|
|International Classification||E05B9/08, E05B9/00|