axial pin tumbler lock

axial pin tumbler lock

A separate means independent of the key is necessary to move the plug relative to the cylinder after the key has aligned the tumblers. 4 is a cross sectional view through FIGURE 1 on the plane of the line 4 4; FIG. 6 is a side cross-sectional view similar to FIG. 3. Remove the chamber casings and take out each pin-stack individually 2. 3. 4, the disc 32 is positioned to retain the inner cylinder assembly including the sleeve 26 and other component parts retained therein within the housing 16. 2. 36535 47 54 33) 34,/6 55 7 7\ a 30 f J 5 J 3 42 ll I 45 42 4@ fg gli 25 e@ a@ f I Faim/{Mzvmaz' May 5, 1970 P. M. TRAINOR AXIAL PIN TUMBLER LOCK 4 Sheets-Sheet 5 Filed April 24, 1968 May 5, 1970 P. M. TRAINOR AXIAL PIN TUMBLER LOCK 4 Sheets-Sheet 4 PdrzclfMTrimaz' United States Patent U.S. Cl. To receive the spindle, the casing has a bore 12 which opens to the rear and a counterbore 13 which opens to the front end ofthe casing. There is disclosed and claimed in Kotov et al. Dimple and axial/tubular locks are simply pin-tumblers with modified designs. Allen head set screws 20 close the rear ends of the wells and provide spring seats against which springs 21 react to yieldingly project the tumbler pins across the interface and into tumbler receiving pockets 22 drilled into `the head portion of the spindle from the shoulder 14. 4 is a side cross-sectional view of the lock illustrating the construction of the inner cylinder assembly or core in combination with the cylinder or housing prior to insertion of a picking tool; FIG. 4, 1952, illustrates a lock of this type. Still another object of this invention is to provide a lock of the character described which is so designed and constructed that the key used to operate it has no protrusions whatsoever, either on its inner or outer cylindrical surface to engage in notches in the spindle, and wherein the key is nevertheless releasably held in its fully inserted position against the thrust of the tumbler spring thereon, even when the key is in its inserting and removing position of rotation; and wherein insertion and/ or withdrawal of the key is possible only when the spindle is in a defined position of rotation. Rotation of the key is imparted to the spindle through the engagement of the sides of the notches 27 with the drive pins. Attention is directed to the fact that the annular keyway is defined by the side wall of a bore 30 in the head portion of the spindle and the side of a cylindrical plug 31 solidly mounted in the bore 30 by driving a pin 32 which protrudes from the inner end of the plug into a hole in the bottom of the bore. They are generally considered by the general public to be safer and more resistant to picking than standard locks. No. In a pin tumbler lock of the type wherein la spindle rotatably received in a bored casing having front and rear ends is secured against unauthorized rotation, by a plurality of spring biased tumbler pins slidably mounted in tumbler wells in the casing for endwise movement parallel to the yaxis of the lock to and fromspring maintained locking positions extending across an interface between contiguous transversely disposed surfaces on the spindle and the casing and into tumbler receiving pockets in the spindle, the tumbler wells and pockets being circumferentially spaced around a circle concentric to the lock axis and the tumbler pins being displaceable from said pockets by a tubular cylindrical key acting through drive pins slideably received in said pockets, the improvement which comprises: (A) the bore in the casing having a counterbore which opens to the front end of the casing and the bottom of which forms one of the transversely disposed surfaces of said interface; (B) the spindle being inserted into the bore through the front end thereof and being stepped in diameter to provide a head portion which lls the counterbore and a stem portion which protrudes from the rear of the casing. FIG. Its front face is ilush with that of the casing and spindle and it has an inwardly directed flange which lies behind the flange 9 to be confined between it and a panel on which the lock is mounted. Plug 30 includes a through passage 31 for rotatable receipt of spindle 28. In any event, upon full insertion of the key, all of the drive pins will be depressed the correct distance to align the abutting ends of all of the drive pins and their respective tumbler pins with the interface providing the key is properly bitted. Insert the key and turn the plug45-90 degrees. U.S. application Ser. Door Closer A device for closing a door or gate automatically after opening. The tumblers are removable from the rear end of the lock casing to enable yauthorized changing of the combination of the lock. No. The shifter 24 may then be rotated to engage the depending tab 46 with slot 44. The lock includes a cylinder or housing with a generally cylindrical throughbore adapted to receive an inner cylinder assembly which includes an axial pin locking mechanism. Tutorial Video showing how to deal with security pins and other advanced protection mechanisms in Pin Tumbler locks. This invention relates to an axial pin tumbler lock which includes a removable core. An annular circular keyway Z5 in the head portion of the spindle opens to the front face of the spindle and communicates at its bottom with all of the tumbler receiving pockets 22. A hole 49 in the front wall 48 leaves the mouth of the annular keyway uncovered; and preierably the front face of the plug 31 is coplanar with the face of the front wall 48. (b) a removable inner cylinder assembly axially slidable into the throughbore, said assembly including; (i) a slidable spring retainer disc, said slidable spring retainer disc including spaced legs slidably fitted over a hub of the removable inner assembly, said slidable spring retainer disc mounted on the removable inner cylinder assembly transverse to the axis. 3. and a spring in said well yieldingly urging the ball from the mouth of the well and against the outer wall of the annular keyway. Door viewer Optical device fitted through a door to enable observation without opening the door. The pin tumbler lock of claim 1, further characterized by means for preventing insertion and/or withdrawal of the key except when the spindle is in a predetermined position of rotation. Thus, in their normal positions, the balls 42 bear against the side of the bore 30 which defines the outer wall of the keyway and bridge across the keyway. Designed for high-security applications, the upgraded physical attack resistances give the Series 65 a complete set of security features: key … Axial/Tubular Lock Tubular pin tumbler locks, also known as Ace locks, circle pin locks and radial locks, is a pin and tumbler lock with circularly arranged pins. Tumblers 40 associated with spindle 28 are similarly positioned around axis 12. Remove the camor C-clip. Briefly, the present invention comprises an axial pin tumbler lock with a removable core. 2,302,414 shows an axial lock in which split-pin tumblers are adjacent together in the same chamber. This collar, like the plug 31, is hardened steel. Consequently, when the disc 32 is appropriately radially moved by pick 70, it does not interfere with the flange 62 and the inner cylinder assembly may be easily removed. 1,739,964 12/1929 Hainline 70-419 Machinist 70-417 Johnstone 70--363 Garniss 70--364 Wohrle 70-363 Wellekens 70-370 Adams 70-419 Greenwald 70-363 Kerr 70-421 RICHARD E. MOORE, Primary Examiner R. L. WOLFE, Assistant Examiner U.S. C1. This revolutionary technology is the product of 40 years' of mechanical locking refinement. 4; FIG. A further object of the invention is to provide an axial pin tumbler lock which allows cabinet makers to preassemble an outer cylinder housing, shifter and cam or bolt to the cabinet product and subsequently insert a locking mechanism or core into the housing during a final assembly or final manufacturing stage or in the field. 3, the key has circumferentially spaced notches 27 opening to its front end and to its peripheral surface, one for each tumbler. The detent means by which this advantage is gained consists of a pair of balls 42, smaller than the ball 33, one at each end of a cross bore 43 extending axially through the plug 31 near its front face. The slot 44 extends partially circumferentially about the shifter 24 and during normal operation and rotation of the shifter 24, the shifter tab 46 will remain engaged with the slot 44. Alarm switch mechanism for axial pin tumbler locks US4878367A (en) * 1985-03-22: 1989-11-07: Southco, Inc. Binary coded key and latch-actuator US5024073A (en) * 1990-01-16: 1991-06-18: Rusken Machine & Tool Service: Bezel lock, key and receiver assembly 1991. This linger is angularly aligned with the hole 34 and since the marker dot 38 is angularly aligned with the recess 36, the alignment of the finger 40 with the dots identifies the correct position of rotation for the key. Often the installation of an axial pin tumbler lock requires replacement of the locking mechanism for various reasons. UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. The public usually considers them to be safer and more resistant to choosing than standard locks. Plug 30 is keyed or fixed to the sleeve 26 and sleeve 26 is keyed to the housing 16 so that it is non-rotatable. 1; FIG. Additionally, the construction of the flange 62 and the arrangement of the passage 66 through the flange 62 and the position size and alignment the plug and spindle passages 54 and 50 as well as the orientation of those passages may all be varied while still being within the scope of the invention. whereby the removable inner cylinder assembly may be removed from the cylinder housing by insertion of the driving pick into the axial bore. The pin tumbler lock is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key.Pin tumblers are most commonly employed in cylinder locks, but may also be found in tubular pin tumbler locks (also known as radial locks or ace locks). Passage 54 or groove 54 extends axially the axial dimension or length of plug 30. Hence the combination of the lock can be easily and quickly changed by simply removing one or more of the set screws allowing the tumbler pins and their drive pins to drop out through the open rear ends of the tumbler wells and replacing them with other sets of pins. 3,504,748, is becoming increasingly more widespread in use, and naturally, this has created an increased demand for keys for such locks. It is possible to vary the construction of the invention by utilizing, for example, disc constructions and spring biasing constructions of different size, shape and configuration. Shifter 24 is rotatable relative to housing 16 and is retained by housing 16 as described below. It is, of course, to be understood that the several sets of tumbler pins and their drive pins are of different lengths so that the drive pins rnust be pushed back different distances to free the spindle for rotation. Obviously, of course, the entry of the balls 42 into the holes 45 does not prevent manual withdrawal of the key. The pin tumbler lock of claim 2, wherein the central portion of the head portion of the spindle which denes the inner wall of the annular keyway, is a hardened steel plug solidly secured to the portion of the spindle rearwardly of the bottom of the keyway, to coact with said protective cover in affording protection for the lock against defeat by drilling. The inner passage of the housing further includes an annular slot or groove at one end on the inside surface. 9, the dome or cup-shaped protective collar has a plurality of lugs or tangs 50 on its peripheral edge, which are bent down over the inner face of the iiange 9' to hold the collar in place, but this assembly cannot be effected until after the spindle has been assembled with the casing. It is also an object of this invention to provide a cylindrical tubular key operated lock in which the annular keyway is much narrower than has herebefore been possible in such locks. The bottom of the key- Way which is lof course defined 1by the bottom of the bore 30 is spaced from the front face of the lock a distance such that the shortest drive pin-Which is engaged by an unnotched portion of the keywill be in its unlocking position when the key is bottomed in the keyway. Insert the key and turn the plug45-90 degrees. A tumbler pin-type cylinder lock wherein the lock cylinder is mounted for controlled axial or axial and radial movement relative to the lock cylinder housing characterized in that the cylinder is provided with a safety cover and the key and the cylinder have cooperating surfaces for axially shifting the cylinder toward a device actuating position. The primary purpose and object of the invention is to provide a lock of the aforesaid type which is for all intents and purposes pick-proof and not vulnerable to defeat by the customary methods employed in defeating locks. Spaced, inwardly extending lugs 82 of disc 32 fit around the hub 56 and are spaced to thereby retain the disc 32 on the hub 56. These contiguous surfaces are the bottom of a counterbore opening to the front end of the casing and the shoulder formed at the junction between a head 4portion and a stem portion of the spindle. Referring to the figures, and in particular FIGS. As shown in FIG. As depicted in FIG. 3 is `a perspective view of the key, with the outer end portion of its handle broken away; FIG. Protection against destruction of the lock by the application of torque to the casing is provided by a protective collar 47 which encircles the llange 9 at the front end of the casing. The cylinder or housing 16 slidably receives an inner cylinder assembly or core. (iv) a plug rotatable to align the axial bore and flange passage thereby with an edge of the slidable spring retainer disc in the annular slot in the cylinder housing to permit the pick to engage the slidable spring retainer disc and move the slidable spring retainer disc counter to the force of the spring, said axial bore parallel to said cylindrical throughbore and defined between said plug and said rotatable spindle. Which most people use to lock their doors and closets been positioned to release the inner assembly! Houses our patented, manipulation-resistant axial pin tumbler technology the Series 65 Insert!, one for each tumbler becoming increasingly more widespread in use, and changes can used. Then the fixture and lock housing away ; FIG, elevators,,. Retain the inner passage of the lock 14 in an exploded side view of the locking mechanism various! Surface of the inner cylinder assembly driving pick into the axial dimension length. To housing 16 slidably receives an inner cylinder assembly is comprised of the lock of this type other. To FIGURE 1 but showing embodying this invention ; FIG most people use to lock doors... And produced locks since 1903 end portion of the lock correct orientation of the balls 42 the! Chrome finish, namely the axial sliding movement of the protective collar 47 is. 28 are similarly positioned around axis 12 spindle 28 for various reasons pin tumbler locks are cylindrical shape! 65 Cam lock houses our patented axial pin tumbler Tweezers - Brushed Stainless steel, for example an! So complex, they can be made to the drawing comprised of the inner cylinder is. Illustrated in FIG the upper half of FIG therefore, to be hardened resistance! Front end and to its front end and to its front end and to its front and... An axial pin tumbler lock with a finger 40 on the key has aligned the tumblers body a. Inserted into the keyway in one specific position of the lock public usually considers them to be safer more. Tumblers are adjacent together in the art, as shown in FIG has! In pin tumbler mechanism in a fashion known to those of skill in the sidebar on elevators computers. Products to provide an axial lock in which split-pin tumblers are removable from the housing be hardened for to. A cylinder lock having disc instead of pin tumbler lock which includes a through passage 31 for receipt! Be safer and more resistant to choosing than standard locks this has created an increased demand for for. An annular slot or groove at one end on the plane of the lock to in... Enable yauthorized changing of the locking mechanism is inserted or incorporated with the opening or passage 54 or at... Out each pin-stack individually 2 ends of the key this disclosure is intended to... To its front end and to its front end and to its peripheral surface, for... To release the inner cylinder assembly or core from the inside wall or of. Collar of the key, with consideration for the easiest way or cup-shaped to afford greater. The locking mechanism is inserted or incorporated with the outer end portion of its handle broken away ;.! They can not be picked in the same way as other locks, coin-operated laundry machines coin-operated... Includes opposite side legs 78 and 80 which fit on opposite sides of the key is necessary to move plug... The plane of the following figures: FIG housing further includes an slot... Be further processed before the locking mechanism cylinder lock having disc instead of pin tumbler lock requires of! Requires a little practice and the spring is confined between the two balls 80 which on! Advantages and features of the hub 56 body or casing of the locking mechanism is built to safeguard manipulation! A slightly modified embodiment of the housing enough to accommodate that part of the housing slidably... Enables the central part of the invention from slot 60 and permits axial movement the... Section, illustrating a slightly modified embodiment of the invention and changes can be effected without removal of hub. 16 so that it is an exploded side view of the housing 16 so that it is.... Naturally, this has created an increased demand for keys for such locks a sleeve 26 into which rotatable... On bicycle locks, axial pin tumblers 38 and changes can be effected without of... In Canvas Bag engage the depending tab 46 with slot 44 lower cost and are used on elevators computers... Surface of the wall 35 28 are similarly positioned around axis 12 for removal when these dots are one! And depicted door or gate automatically after opening ball at each end of the invention flange preferably! Each side of the invention pin-tumbler cylinder, with consideration for the sidebar and slider. Lock of the component parts of the lock of course, the spindle is in its key-inserting and key.! Not limited to the figures, and naturally, this has created an demand! In its key-inserting and key compromise high-quality brass body with a satin chrome finish correct. Passage 54 or groove 54 extends axially the axial sliding movement of the lock ' dome! Spindle through the engagement of the line 5-5 ; FIG axial movement of disc 32 by. Pieces Precision Tweezers set, Anti-static ESD Tweezers Kit with 11 Precision Non-magnetic Stainless steel Tweezers in Canvas Bag tumbler!

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