US1332958A - Compound dead-bolt mechanism - Google Patents

Description

UNITED s'rArEs PArrmwr` ormcE.

SAMUEL SEGAL, 0F NEW YORK, N. Y. f

COMIOPOUND DEAD-BOLT M EC'HANISM.

Specification of Letters `latent.

Patented Mar. 9,1920.

Application led January 15, 1918, Serial No. 211,947. Renewed January 13, 1920. Serial No. 351,252.

To yall whom t may concern Be it known that I, SAMUEL SEQAL, a 'citizen of the United States, residing at Ne of New York, have invented certain new and usefull Improvements in Compound Dead- Bolt Mechanism; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will en' able others skilled in the art to which it apence being had to the accom anying drawings, and to characters of re erence marked thereon, which form-a part of this specification.

The present invention relates, generally,

to improvements in lock mechanisms; and

the invention hasv reference, more particularly, to a novel, construction of compound glead bolt and/actuating mechanism thereor. f'

The -invention has'for its principal object to provide a simple, strong and elicient dead bolt device having a compound movement and relation to the striking member of the lock mechanism, whereby thel same is capableofmoving longitudinally into the receiving socket of the 'striking member, and at the same time is equipped with auxiliary bolt elements which move transversely of the main bolt to engage the walls of the striking member within the receiving socket thereof, to the end that said striking member is engaged in a manner adapted to prevent the same from being pried away from the main bolt during any effort to forcibly violate the lock mechanism.

. Another object of the present invention is to provide a novel construction of actuating mechanism, subjectA to the control ofl both knob. or finger piece and key-mechanism, whereby the novel compound bolt, comprising the main bolt and its auxiliary boltelements, is readily moved into or out of operative relation to the striking member of the lock mechanism.

Other objects of the present invention, not at this time more particularly enumerated, will be clearly understood from the following detailed description of the same.

With the various object-s of my present 4invention in view, the same comprises, primarily, the novel construction of compound `dead bolt mechanism hereinafter set forth;

and, the invention consists, furthermore, in the'novel arrangements and comblnatmns of the various ydevices'and parts, well as in the details of the construction of the same,

i vw all of which will be hereinafter more fully York, 1n the county of New York and State \descr1bed, and then finally embodied in the claims appended to this specification.

The invention is clearlyillustrated in the accompanying drawings, in which-:-

. Figure 'l is a plan view of the novel construction ofv compound dead boltmechanism viewedfrom the rear-side of the same, the casing and striking member, together with a portion of the main bolt being shown vertical section, and the bolt mechanism vbeing lshown in unlocked or withdrawn relation to the striking member :l Fig. 2 is a similar View, but showing the bolt mechanism in locked or projected relation to the striking member; Fig. 3 isa horizontal cross section, taken on line 3-3 in said Fig. 1, looking downward; and Fig. 4 isa detail end'view opening 2 through which the dead bolt device is projected, and the reference cha-racter 3 indicates a striking member provided with an opening 4 through which the dead bolt device may project into the receiving socket 5 thereof. l

The reference character 6 indicates the main bolt of the dead bolt device,-the same being provided at its 'inner end with tailframe 7 integrally connected therewith.

Said tail-frame 7 is provided in its body' with a longitudinally extending slot 8 providing a guide means which s lidably engages a guide-post 9 extending inwardly ,from the front wall of said casing l, whereby the bolt mechanism is guided and maintained against undue lateral movement or displacement during its longitudinal movement. Said tail-frame 7- is also cut away adjacent to its free inner end to provide the same with an opening 10, which preferably extends from the end of the said slot 8. Said casing 1 is further provided with laterally disposed webs 11, which terminate at each side marginal edge of said tail-frame 7, and which serve as additional guiding means to prevent lateral displacement of lthe bolt device during its longitudinal movement. Projecting laterally from that side of -the tail-frame 7 which faces inwardly, or toward the front wall of the cas-l member17, which extends rearwardly from its pivoted end beneath the guide-post 9, its free end- 18 extending beneath and terminating between said projections or abutments 14 and 15, said free end having an inwardly and laterally extending tongue 19, which extends through said opening 10 and normally lies between the respective proj ections or abutments 12 and 13, and 14 and 15. Connected with the upper marginal .edge of said datent-member is a stop-lug 20,

which normally enga es the rear side of said post 9, Athereby loc against forward longitudinal movement until said detent-member is depressed to free v said stop-lug from such engagement with said post 9. Connected with said detentmember 17 is a spring-member 22, the free end of which is anchored u on an anchorstud 23 connected with sai tail-frame 7, said spring-member serving to maintain and return said datent-member 17 to normal position with its stop-lug 20 in engagement with said post 9. The front wall of said casing 1 is lprovided with a suitably located bearing-por-- tion 24 in'which is rotatably mounted the shank 25 of a knob or finger-piece 26. The inner end of said shank is provided with a squared portion 27 upon which is fixed a tumbler 28 having oppositely extending tumbler arms 29. Connected with said tumbler 28 is a boss 30 havin an angularly shaped periphery. Secure in connection with anchor-studs 31, connected with the front wall .of said casing 1, is a leaf-spring 32, the free end of which is sha ed to yieldingly engage the angular perip ery of said boss 30', to normally hold the tumbler 28 in an initial position. The said tumbler 28 is so positioned that, when the same is rotated by the knob or finger-piece 26, 4one of its arms 29 is carried into engagement with.

the projection or abutment 12 of saidl tailframe/7. Before operatively engaging said projection or abutment 12, however, the rotated tumbler arm 29 strikes said tongue 19 ng said 'bolt devicey at the free end 18 of the detent-member 17, thereby effecting a downward swinging movement of the latter against the tension of its spring-member 22. This downward swinging movement of said detent-member 17 lowers said stop-lug 20 awa from its en' gagement with the post 9, thus freeing the bolt device for forward longitudinal move ment after which the tumbler-arm 29 passes into pushing engagement with said projection or abutment 12, thereby' lcausing the tail-frame 7 and the bolt devices connected therewith, to move longitudinally forward,

to project the bolt devices into locking en-y gagement with the striking member 3. As

`the tumbler 28 completes a half revolution,

the tumbler arm 29 is returned to a normal horizontal position, and thereupon moves away from the projection or abutment 12, -at the same time freeing said tongue 19 to permit Athe spring-member 22 to return said detent-member 17 to normal position, except 7 and the bolt device against rearward lon` gitudinalmqvernent, or, in other Words, from being pushed back, by other than proper manipulation, into the casing 1.

The tail-frame 7 and the bolt device being in forwardly moved or locking position, the same may be retracted by turning the knob or finger-piece 26 in the opposite direction. Such movement rotates the tumbler arm 29 in the reverse direction, and carries the same past the projection or abutment 12, irst into engagement with the tongue 19 to again deress the detent-member 17 to free lts stopug 20 from engagement with the post 9, and vthen into rearwardly pushing engagement with the opposite projection or abutment 13, thereby causing the tail-frame 7,

and the bolt -device connected therewith, to

move longitudinally rearward, to retract the bolt device from the striking member 3. The completion of the tumblers movement permits the detent-member 17 to again move into holding engagement with the post 9.

The lock mechanism is covered over by an inlay or cover-plate 33, which is engaged against stops 34 integrally connected with the walls of the casing 1, and which is secured in place by means of a fastening screw 35 which screws into the free end of said post 9. Mounted to rotate in a bearing open-l the detent-member 17, to caruse the locking and retracting movements of the tail-frame 7 andl bolt device connected therewith. Said tumbler 38 is actuated by means of a suitable key controlled mechanism, such as a pin-tumbler lock 39 secured in the usual manner within the body of the door 40 upon which t-he bolt-mechanism is mounted. The coupling-bar 41 of said pin-tumbler lock 39 is engaged with said rotatable member 37 so that rotary movement applied to said coupling-bar by the operation of said pinlock with a proper key, will in turn be transmitted through said rotatable member 37 to said tumbler 38.

The main bolt 6 of the device is provided with a pair of oppositely extending transversely oblique guideways or openings 42 which cross one another. Arranged slidablv within said guideways or openings 42 are auxiliar bolt elements 43, so disposed by said vguideways or openings as to be capable of being respectively projected outwardly from the upper and lower sldes of said main bolt 6 at points adjacent to the free end of the latter. Each auxiliary bolt element is Iprovided with a tail-piece 44 of reduced thickness so that the same will pass each other sildably at the juncture of said guideways or openings 42 where the latter cross each other. Said tail-pieces 44 project outwardly from the rearward ends of said guideways or openings 42 respect1vely beyond the upper and lower sides of said main bolt 6. Afiixed to the outer free end of each tail-piece 44 is an inwardly extending pin or lug 45. Fixed within said casing 1 between the inner face of said main bolt 6 and the front wall of said casing 1 is a cam-slot plate 46, the same being preferably mounted upon bosses 47 connected with the front wall of said casing 1 to space the said cam-slot plate slightly away from the surface of said front wall, and said cam-slot plate being immovalblv secured by means of rivet portions 48 extending through the plate from said bosses 47. Formed in said cam-slot plate are a pair of cam-slots 49, the same being disposed parallel to the longitudinal direction of movement of said main bolt 6 for the greater portion of their extent, but being provided vat their outer ends with oblioue cam-portions 50 inclined toward the main bolt 6. Each pin or lug 45 is engaged in the respective cam-slot adjacent to the free end of the tail-piece 44 to which the said pin or lug is secured.

The operation of the .auxiliary bolt elements is as follows As the tail-frame 7 and the main bolt 6 is moved longitudinally outward, in the manner above described, the pins or lugs 45 ride forwardly in the parallel portions of said cam-slots and consequently without imparting any outward movement 'to said auxiliary -bolt elements while said main bolt 6 is initially entering through the opening 4 into the receiving socket 5 of said striking member 3. Before the outward .movement of said main bolt 6 is quite completed, however, the pins or lugs 45 enter said cam-portions 50 of said cam-slots, and in riding therein, impart to each tail-piece 44 an inward thrust, which causes the auxiliary bolt, elements 43 to be projected outwardly from the main bolt 6 into the receiving socket 5, the completion ofthe outward projection of said auxiliary bolt elements colnciding with the completion of the outward longitudinal movement of said main bolt 6. The result of this operation is illustrated in Fig. 2'more particularly, and as there appears, this 'outward' projection of the auxiliary bolt elements extends the same beyond the marginal edges ofthe opening 4 of the striking member 3. Preferably the walls of said striking member are thickened above and below said opening 4, as at 51, so that the sides of the projected auxiliary *bolt elements may engage said thickened parts if desired. .Vhen thus projected the auxiliary bolt elements oiier obstruction to any attempt vto pry away the striking member 3 fromthe projected main bolt 6, as will be clearly apparent. In the retracting movement of the main bolt 6, the cam-portions 50 acting on the pins or lugs 45 serve to withdraw or retract the auxiliary bolt elements into said main bolt 6, so that the n,withdrawing or retracting movement of said main bolt through said opening 4 of the striking member 3 may be continued until completely accomplished, as will also be understood.

In its broader aspects my invention resides` primarily in the novel construction of compound deadl bolt, comprised in the main bolt 6 and the auxiliary bolt elements associated therewith, without regard to the particular mechanism by means of which the longitudinal projecting and retracting movements are imparted to said main bolt 6.

I am aware that some changes may' be made in thev several arrangements and combinations of the various devices and parts, as well as in the details of the construction of the same, without departing from the scope of my present invention as above described, and as defined in the appended claims. Hence, I do not limit my invention to the exact arrangements and combinations of parts set'forthl in the above specification, nor do I confine myself to the exact details of the construction of said parts as illustrated in the accompanying drawings.

1.` In a .lock mechanism the combination with a dead bolt and means for actuating the same of auxiliary bolt elements, said dead bolt having oblique oppositely extendva striking member.

gllideways therethroug lock mechanism in operative engagementwith said tail pieces for projecting said auxiliary bolt elements u on longitudinal movement of said dead bo t.

2. In a lock mechanism the combination with a dead bolt and means for actuatin o the same of auxiliary bolt elements, sai dead bolt having oblique oppositely extending guideways therethrough -for said auxiliary bolt elements respectively terminating at their forward ends in the sides of said dead bolt adjacent to its outer free end, tailpieces connected with each auxiliary bolt element extending rearwardly through said guideways so as to project exteriorly from the sides of said dead bolt adjacent to its inner end, a fixed cam-slot plate "associated with said lock-mechanism having cam-slots therein, and pins fixed to the free ends of said tail-pieces respectively engaged in said cam-slots whereby longitudinal movement of said dead bolt carries said pins in operative engagement with the cam-portions of said cam-slots to project said auxiliary bolt elements after said dead bolt enters 3. A compound dead bolt comprising a longitudinally movable main bolt, means for actuating said main bolt, an obliquely and transversely disposed auxiliary bolt slidably associated with said main bolt and adapted to be projected from the side of said lnain bolt when the latter enters a striking member, and means engaging the rearward end of said auxiliary bolt for imparting.v a longitudinal projecting movement thereto prior to the completion of the projecting movement of said main bolt.

4. A compound dead bolt comprising a longitudinally movable main bolt, means for actuating said main bolt, an obliquely and.

transverselydisposed auxiliary bolt slidably associated with said main bolt and adapted to be projected from the side of said main bolt when the latter enters a striking member, and means engagin the rearward end of said auxiliary bolt or imparting a longitudinal projecting movement thereto prior to the completion of the projecting movement of said main bolt, comprising a ixed camslot plate having acam-slot formed therein, and. a pin projecting from the rear end of said auxiliary bolt into lsaid cam-slot.

5. A compound dead bolt comprising a longitudinallymovable main bolt, means for actuating said main bolt, said main bolt havvinga pair of crossed oblique guideways extend' transversely and oppositely through its bodgy the respective outer ends of which terminate on opposite sides of said main bolt adjacent to its outer free end while the respective inner ends of which terminate on opposite sides of said main bolt adjacent to its inner end, a pair of auxiliary bolt elements slidably disposed respectively in said guideways and adapted to be projected from v said outer ends of the latter, tail-pieces connected with each auxiliary bolt element projecting rearwardly from the inner ends of said ideways, a fixed cam-slot plate back of said main bolt having cam-slots therein, and pins projecting from the free endsl of said tail-pleces into said cam-slots whereby longitudinal movement of said main bolt causes said pins to ride in contact with the cam-portions of said cam-slots to transmit a projecting movement to said auxiliary bolt elements after said main bolt enters a striking member.

y6. In a lock-mechanisma casing, a deadbolt longitudinally movable in said casing for projection from the end thereof, a striking member having an opening in its front wall to receive said dead bolt, a tail-frame connected with said dead-bolt, a fixed post within said casing upon which said tailframe is asf .. guided during its longitudinal movement, a spring pressed detent-member on said tail-frame adapted to engage said post to hold said tail-frame' at the limit of either its projected or retracted'movement, abutments on said tail-frame, rotary tumbler means for engaging said abutments to impart movement to said tail-frame, means connected with said detent-member engageable by said tumbler means to release said detent-member from said operative engagement of sald tumbler means with said abutments, said dead .bolt having a pair of crossed oblique guideways extending transversely and oppositely through its body '10b post prior to the the respective outer ends of which terminate on opposite sides of said dead bolt adjacent to its outer free end while the respective in'- ner ends of which terminate on opposite sides of said dead bolt adjacent to its inner end, a pair of auxiliary bolt elements slidably disposed in said guideways and adapted to be projected from the outer ends of the latter, tail-pieces connected with each auxiliary bolt element projecting rearwardly from the inner rear ends of said guideways, a fixed cam-slot plate beneath said dead bolt having cam-slots therein, and pins projecting from the free ends of said tail-pieces into said cam-slots whereby longitudinal movement of said dead bolt causes said pins to ride in contact with the cam-portions of saidV cam-slots to transmit a projecting movement to, said auxiliary bolt elements after said dead bolt enters through the opening of said striking member so that said auxiliary bolts are projected beyond the marginal edges of said opening of said striking member and Within the interior of the latter.

7 A compound dead bolt comprising a main bolt and crossed oppositely and obliquely projectable auxiliary bolt elements slidably related thereto, and cam means for each auxiliary bolt element coperating with the rearward ends thereof to project and retract the same respectively upon projecting and retracting longitudinal movement of said main bolt.

8. A compound dead bolt comprising a main bolt and oppositely and transversely oblique auxiliary bolt elements slidably related thereto, a cam-plate having cam-slots therein, the inner ends of said cam-slots being parallel to the direction of movement of said main bolt While the outer ends of said cam-slots are parallel to the oblique direction of `movement of said auxiliary bolt elements, and pins connected with the rearward ends of said auxiliary bolt elements adapted to ride respectively in said cam-slots.

n testimony that I claim the invention set forth above I have hereunto set my hand this 9th day of January, 1918.

SAMUEL SEGAL. Witnesses:

GEORGE D. RICHARDS,

ADOLPH HANSEN.

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