DE1812527A1 - Cylinder lock - Google Patents

Description

Ronald Frederick Sturgeon, Bognor Regis, Sussex / England, 25 linden Road

¹¹ cylinder closed "

The invention relates to a with a key actuating cylinder lock with several axially directed pins and the key for such Lock.

Cylinder locks with multiple axial pins are operated by means of a tubular key, the engaging end of which is shaped to cooperate with a ring of pairs of axial pins in the lock body. The outer or drive pins of each pair of pins are of different lengths. The lock can be rotated when the contact surfaces of each pair of pins are arranged in a single plane, WW which has the inner slidable and resilient

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loaded pin-receiving fixed magazine separates from another magazine in which the outer, actuated by the key drive pins are slidably attached. .

The aim of the invention is to create a cylinder lock with several axial pins with a key, which can be fitted into any of a number of lock combinations desired.

According to the invention is a key with a tubular Body intended for insertion in a cylinder lock with several axial pins on the its outer surface with a number of axial recesses or the like. to accommodate a set of Locking fingers of different lengths is provided and also holding members to secure the locking fingers in their position opposite the recesses which carry the locking fingers.

In addition, a cylinder lock of the type mentioned is proposed in which the combination without special Tools can be changed, for this purpose, according to the invention, a cylinder lock with several axial pins provided, the fixed magazine either interchangeable or with a inner interchangeable end part is provided to a

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Allow pens to be pulled out and rearranged.

The lock according to the invention increases the security such a lock increases against unauthorized opening. Awake another feature of the invention is a cylinder lock with several axial Pins provided in which the inner pins are also of different lengths or different Own hub.

Further features, details and advantages of the invention emerge from the following description preferred embodiments as well as on the basis of the drawing. Here show:

Pig. 1 is a sectional elevation of a cylinder lock with seven axial pins; FIG. 2 a front view of the cylinder lock according to FIG. 1;
3 shows a rear view of the cylinder lock according to FIG. 1;

4 is a sectional elevation of a key for the cylinder lock with seven axial pins;

FIGS. 5 and 6 end views of the key according to FIG. 4;

Fig. 7 is a side view and

Fig. 8 is a front elevational view of a key finger;

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9 is an enlarged, sectional elevation of a further embodiment of a Cylinder lock with seven axial pins

10 is a front view of the lock according to FIGS

FIG. 11 shows a rear view according to FIG. 9.

The cylinder lock shown in FIGS. 1 to 3 has a cylindrical housing 10 for insertion in the object to be locked and a lock body 11, which by means of a (For example, shown in Figs. 4 to 8) key is turned.

On the lock body 11 is a threaded shaft 12 and an integral magazine with it 13 attached, which in ring-like arranged axial bores H a series of seven face or Has drive pins 15.

One on the housing 10 by means of wedges 17 or the like indicated by dashed lines in FIGS. 1 and 3 - pder alternatively with one or more radial thorns or fingers - attached rim 16 forms a fixed one Magazine which is pressurized by a series of seven in bores 18 provided in the shape of a ring Springs 20 standing backward pins 19 wearing.

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The rear ends of the bores 18 are secured by means of a sealing ring 21 arranged on the rim 16 closed and both the ring 16 and the sealing ring 21 held by a snap ring 22.

If, when the lock is operated, the drive pins 15 is pressed in through the tubular body of a key inserted into the annular opening 15A and so pressed against the force of the springs 20 until the abutting ends of all pairs of Pins 15/19 in a plane P separating the magazine 13 from the fixed magazine (see Pig. 1) then the lock body 11 can be rotated, to a not shown, seated at the rear end of the shaft 12 locking lever or the like. to twist.

In the previously known locks, the rear pins 19 were of the same length, which is why the Possibility existed, the lock combination by completely pushing in each pair of pins by means of a sensor or the like inserted into the opening 15A. However, the ones are back Pins 19 according to the invention are also of different lengths, which prevents the to determine correct insertion for the front drive pins 15 with a feeler. Alternatively,

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_v 1 is provided as a 21 A indicated different members of the seal ring 21 with several in Fig. his, form the stops for the pins 19 ". Similarly, the springs 20 may be mounted in different distance to the ground.

In order to enable the ring 16 and thus the lock body 11 to be removed, the snap ring 22 can be removed. This allows the drive pins 15 to be placed again to change the Lock combination. The lock body 11 is provided with an edge shoulder 11 A to prevent the drive pins 15 from falling out when the lock body is pulled off 11 provided. The rim 16 completed by the pins 19 can also again, or alternatively, can be used.

In addition, an existing lock can be replaced by replacing the original ring 16 or by Refurbishing the rear part of the original wreath for the feed of rear pegs 19 and also for driving pins 15 can be modified. A sealing ring 21 and a snap ring 22 can also be provided.

The key shown in FIGS. 4-8 has a key body 23 with a handle

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on and is axuelen with a series of openings or grooves 25 are provided, which extend along of the tubular shaft 26 of the key body 23 extend and open into an annular recess 27. The end of the on the left in the drawing tubular shaft 26 is provided with a short outer cam 28 for engagement in the guide groove 29 in the: housing 1 and lock body 11 (Pig. 1 and 2) provided. An inner rib 30 extends along the shaft and engages in a groove 31 of the lock body 11 for guidance.

The key comes with a set of seven locking fingers, each of which, as in the 7 and 8, a main shoulder 32, a guide bar 33 and a working part 34 are shown. The guide strips 33 are all of the same length, while the lengths of the working parts 34 are different are. Each working part 34 has an inner surface which is designed so that it fits into the groove (Fig. 4) intervenes.

The locking fingers of the set are used for each inserted into the grooves 25 according to the desired lock combination of your choice. Then becomes a clamping collar 35 screwed onto the key body 23 until it rests on the main shoulders 32, whereby

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the locking fingers are set in their desired position. For simplicity it is in the Pig. 4 and only one locking finger indicated in dashed lines.

The working parts 34, which are thin and relatively fragile, are protected against damage by their position in the grooves 25. Such keys are often saved for an order, the dealer has an inventory of key bodies

Lock /

and numbered fingers of various desired lengths in stock. It is also possible to exchange a key for a new combination of a modified lock.

That in the pig. 9 to 12 illustrated example a cylinder lock has a cylindrical Housing 110 and a rotatable lock body 111, which in turn has a shaft 112 and a molded magazine 113 with a number of seven Drive pins 115 in ring-like arranged holes 114 has.

A ring 116 is provided with a shoulder 117, which sits in a slot in the housing 110. This ring 116 forms a fixed magazine, which in a Hing of axial bores 118 a Heine of

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carries seven pins 119 on the back, which are under pressure from Pedern 120. The back ends of the bores 118 are closed by a sealing ring 121 arranged on the rim 116.

The rear pins 119 are of different lengths and with fluted intermediate parts 119A which prevent the sole from being scanned. With some known cylinder locks with several axial pins, it is possible to turn the lock by pressing on the lock body 111 and then depress each pin with the inner ends of the outer drive pins 115 into the engage outer mouths of the bores 118 of the fixed magazine. However, are the rear ones Pins 119 with a groove or the like. provided, then the narrow intermediate part 119 A touches the mouth

118 /
The holes and the lock cannot of course be opened with the pins 119 in this position.

The inner end portion of the shaft 112 is of reduced and non-circular cross-section and carries washers 140 and 141, which are held in place by a snap ring 142. These disks 140 and 141 are mounted so that they can be rotated with the shaft 112 in a sleeve 143 which

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half of the housing 110 is secured in its position by means of a bolt 144. The front disk 140 engages in a short groove 145 and is provided with an incision 146 which, when viewed with the forehand the groove 145 is aligned, the free withdrawal of the disc T40 from the sleeve 143 allows. the rear disc 141 has an approximately semicircular part 147, the ends 148 of which are attached to the link 149 of the sleeve 143 and thus represent two limits for the rotation of the lock body 111.

The end of the shaft 112 is a flat cutting edge 150 executed and an ejection element 151 is provided with a slot 152 in which the cutting edge 150 drivingly intervenes. The shoulder 110 A of the housing 110 prevents the magazine from shifting backwards. The outer end of the ejection element 151 is provided with a threaded shaft 112 A, on which a not shown locking lever or the like. is appropriate.

That in the I ¹ Ig. The lock shown in Figures 9 through 12 operates in a manner similar to that of the Pig. 1 to 3, however, the retraction of the magazine takes place in a different way. In the lock of the second embodiment, the lock body 111 is pulled forward together with the fixed magazine 116 when the key

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is rotated in the appropriate position, and the Washer HO is now free to unscrew from the indentation of the sleeve 143.

On the front of the lock, a roller 153 holding the key is secured by a slotted spring ring 154 and is held in a recess 155 of the lock body 111. The key in this case is provided with a protrusion, as it is in Pig. 4 can be seen with the reference numeral 28. If you put the key in the lock, the roller 153 is close to the outside in a recess

110 /
of the housing. The key can only be inserted and moved when the roller 153 is in alignment with the recess 156. If the projection of the key has passed the roller 153, it returns into the recess 155 and the key can be turned. When the magazines are withdrawn, the key can be retained, which makes it much easier to pull out the shooting body 111.

In the case shown, only one recess 156 is provided, which is why the key can only be inserted and removed when the socket body 111 is in a predetermined position.

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As shown in FIG. 10, the sole body 111 is provided with a Main alignment groove 131 and two auxiliary alignment grooves 157 are provided. In this case, there are corresponding inner ribs 158, as shown in FIG. 5 as dashed lines are recognizable, provided on the key.

In a further embodiment of the invention, the number of possible lock combinations can be increased be that the number and / or the position of the associated alignment grooves 157 in the lock and of the ribs 158 in the key can be varied.

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Claims (13)

Claims 1. Cylinder lock with several axial pins and one Associated key, characterized in that the key can be inserted into the lock having tubular key body (23), which on its outer surface with a plurality of axial Recesses (25) or the like. for receiving a set of locking fingers (34) ″ of a certain length and to fix them in a predetermined position with respect to the recesses carrying the locking fingers with holding members is equipped. 2. cylinder lock with key according to claim 1, characterized characterized in that each locking finger (34) of the key has a central one which can be clamped in place Main shoulder (32) and a guide strip (33) protruding to the rear from the main shoulder, as well as a has working part (34) projecting forward from the main shoulder, and each locking finger of a groove recorded iet. 3. Cylinder lock with key, according to Claimi-fi, characterized characterized in that the holding members of the key have a clamping collar (35) which can be screwed onto the key body (23) and 909 827/0259 the main shoulder (32) defines the shoulder between a part of the clamping collar and the "adjacent Part of the key body is arranged approximately in the manner of an intermediate layer. 4. Cylinder lock with key, especially after one of claims 1 to 3, with a tubular Lock body and a rotatable magazine therein, which contains a number of driving pins and so on is designed that it is by means of a key having a plurality of fingers cooperating with the pins can be rotated, as well as with a fixed magazine within the lock body, which has a number of spring-loaded pins through which the drive pins so far can be pushed in that the rotatable magazine in proportion can be rotated to the fixed magazine, characterized in that the fixed Magazine detachable from the lock body (10,110) or provided with an end part (21,121) which can be detached in turn is to allow removal and insertion of the pins. 5 .. Cylinder lock according to claim 4, characterized in that the fixed magazine together with the rotatable magazine (13,113) can be moved forward. 90 9827/025 9 6. Cylinder lock according to claim 51, characterized in that that the centrally arranged shaft (12,112) extends from the rotatable magazine (13,113) through the fixed magazine near the rear and to the Shaft a shaped disc (HO) is arranged, as well as in the area of the lock body after the disc there is a correspondingly shaped abutment (153) so that the magazines can only be pulled out when when the disc has been brought into a predetermined position by the abutment. 7. cylinder lock according to claim 4, characterized in that that the fixed magazine after removing a rear Circlip (22) or the like. is removable. 8. cylinder lock naoh claim 4, characterized in that the full movement of the spring action standing pens (191119) is uneven to the Difficulty determining the pressures required to open the lock on the pins raise. 9. Cylinder lock according to claim 8, characterized in that that the spring-loaded pins (19, 119) are of unequal length. 909827/0259 10. cylinder base lock naoh claim 8, characterized by abutment (21 A) for different lengths Limitation of the movement of the spring-loaded pins (19). 11. Cylinder lock according to claim 8, characterized in that that the spring-loaded pins (19, 119) acting on springs (20, 120) on the ground in are attached in different positions. 12. Cylinder lock according to one of claims 4 to 11, characterized in that the spring pressure standing pins (119) have circumferential notches as intermediate pieces (119 A) to the Difficulty determining the pressures cu required to open the lock for the pins raise. 13. Cylinder lock according to one of claims 4 to 12, characterized in that on the rotatable magazine one under spring pressure and cooperating with a projection (28) on the key Roller (153) is attached and a recess (156) is provided in the sole body (110), by means of which the role can be placed outside of this Yorsprungs so that the key can only be used with. located at the recess Roll can be pulled out. 909827/0 259 Blank page