CN1181798A

CN1181798A - Pin tumbler cylinder lock with shearable assembly pins and method and appts. of manufacture

Info

Publication number: CN1181798A
Application number: CN 96193293
Authority: CN
Inventors: R·H·汉内曼; J·G·瓦格内尔; S·A·凡特尔
Original assignee: Master Lock Co LLC
Current assignee: Master Lock Co LLC
Priority date: 1995-02-15
Filing date: 1996-02-06
Publication date: 1998-05-13
Anticipated expiration: 2016-02-06
Also published as: AU693327B2; CA2213126A1; BR9607338A; AU4971696A; EP0809742A4; MX9706254A; EP0809742A1; CN1170999C; TW368542B; CA2213126C; WO1996025574A1

Abstract

A turnable lock (10) operable with driver (15u) and tumbler (15l) pins when positioned by a key (16) at a shear line (18) in which shearable assembly pins (15a) are assembled in the lock (10) and thereafter sheared to form such driver (15u) and tumbler (15l) pins for operation thereon. Each assembly pin (15a) is selectively weakened at a plurality of locations (17) which correspond with notched depth heights of the family of keys (16) capable of insertion in the keyhole. Such weakening is controlled so that pin shearing can be accomplished by application of rotational or linear forces applied to any part of the lock (10) except the key (16). When linear forces are used the tumbler or plug (13) may be indexed to employ a driver pin (15u) as a plug lock.

Description

Have cylinder fixator pins lock and manufacture method and the equipment that to cut off rigging pilotage

Background of invention

Existing cylinder lock comprises the drive pin of a plurality of steady pins and aligning, and they press against on the key by spring.Will lock the assembling before, respectively pin is worked into selected length.

Propose, unitary pin is installed in cylinder; Key with the trough of belt mouth makes pin reach selected height, and each pin that will be held in place by the key of trough of belt mouth is cut off into two lock pins (U.S. Patent number 1,953,535) subsequently.The shortcoming of this existing method is: any inserted key that other is selected at random will make pin lift, and if rotate, also can cut off pin, thereby the infringement safety.

Summary of the invention

In a general sense, the present invention includes the rigging pilotage of the local weakness of the cylinder with housing, rotating lining, the shear line between them and a plurality of key Primary Location by the trough of belt mouth.Rigging pilotage uses special purpose machinery they to be cut off so that use as drive pin and steady pin subsequently by manufacturer or locksmith.These rigging pilotages have sufficient intensity, thus the personnel that use unauthorized key or similar tool maybe user's utilization of this lock can insert rotation or other power that key applies and it can not cut off.

Characteristics of the present invention are that this rigging pilotage has the part or the zone of a plurality of local weakness, so that when applying enough shearing forces, control cutting off of selected position.

Another characteristics of the present invention are that although drive pin and steady pin weaken fully, they have enough intensity, make: will make key or tool damage with hand or instrument key before pin is cut off.

The accompanying drawing summary

Fig. 1 is the side sectional view that the present invention locks, and it comprises the rigging pilotage of overcoat, lining and key positioner;

Fig. 2 is the lateral view of rigging pilotage of the present invention;

Fig. 3 is similar to Fig. 1, and wherein pin is by the relative transverse movement between overcoat and the lining and cut off;

Fig. 4 is used to shear the rigging pilotage and the vertical view of the device of bending overcoat and lining simultaneously;

Fig. 5 is the elevation of Fig. 4 device;

Fig. 6 is the partial sectional view along 6-6 line among Fig. 1;

Fig. 7 is the partial sectional view along 7-7 line among Fig. 6;

Fig. 8 is the elevation of the pin of second embodiment;

Fig. 8 a is the zoomed-in view of the pin grooves of pin shown in Figure 8;

Fig. 9 is the sectional view perpendicular to the lining horizontal axis that does not have pin;

Fig. 9 a is the sectional view similar to Fig. 9, the lining that has pin and rotate a little;

Figure 10 is the vertical view with second cutting mechanism of longitudinal axis A, and this mechanism is used for retail location;

Figure 11 is that longitudinal axis A by Figure 10 mechanism is along the sectional view of 11-11 line intercepting;

Figure 12 is an elevation that uses the padlock of key; It is another embodiment of the invention, and the lining in its overcoat-bush assembly is outstanding;

Figure 13 is the lateral view of overcoat-bush assembly that padlock removes from Figure 12;

Figure 13 a is the sectional view along 13a-13a line intercepting among Figure 13;

Figure 14 is the view similar to Figure 13, and wherein lining moves along the Y direction;

Figure 15 is the view similar to Figure 12, and wherein overcoat-bush assembly has been placed among the padlock after moving; And

Figure 16 is the amplification view along 16-16 line among Figure 14.

Preferred embodiment is described

In Fig. 1-3, lock 10 comprises an overcoat-bush assembly, and this assembly comprises cylinder Overcoat 11, with rotatable cylinder lining 13 and 5 vertical pins of bush ring 13c Groove 14a-e, this pin grooves extends upwardly to becomes outer grooving 11 in the overcoat, and to downward-extension In lining 13, become the lining groove. Can see in addition 5 rigging pilotage 15a-e, lining afterbody 12, The spring pin 20a-that copper key 16, cylinder shear line 18 and rigging pilotage 15a-e are used E. Each rigging pilotage 15a-e has the weakening region of 8 annulars, and this weakening region is by notch or recessed Groove 17 limits. Pin 15a-e made by selected material and the shape of its groove 17 and Size can make manufacturer or locksmith cut off rigging pilotage and can prevent from being locked between the operating period being subjected to not simultaneously The security threat that brings through the key of permission to use and other instrument. The no notch of different manufacturers The key structure difference, thus so that specify the key of manufacturer can insert the lock of this manufacturer.

Have notch or other local weakness in the rigging pilotage of the present invention to reduce to cut off this pin institute With power; Yet they can so not weakened, that is: so that before key or tool failures, Insertable key with different notches (key that the identical pins holder structure is arranged on the key) can be used Hand or instrument rotate to cut off drive pin and steady pin. The degree of depth of pin notch and shape are so that only have Factory or locksmith's equipment are applied to hub sections rather than the power that is applied on the key can break pin Son. Be applied to key or be applied directly to bush ring along the direction that is parallel to lining rotation 13 Bush ring 13c opposing and absorption that power on the 13c is cooperated with overcoat 11.

Following rigging pilotage process test with different notch diameters:

The average shear strength of each pin of notch internal diameter

0.060 95 pounds of inches

0.062 105 pounds of inches

0.065 120 pounds of inches

0.070 140 pounds of inches

0.074 155 pounds of inches

0.079 180 pounds of inches

0.084 05 pound of in2

Notch internal diameter (ND) is less than overall diameter or outer diameter D (see figure 2).The padlock pin preferably uses 0.062 inch notch internal diameter.In the superincumbent test, outer diameter D is 0.094 inch.Notch angle (C) is 20 ° of (degree) (see figure 2)s.The ratio of ND and D is preferably in the scope of 63%-74%.The present invention also comprises a last hardware pin (door hardware pins), and wherein for the pin that external diameter (D) is 0.114 inch, preferred notch internal diameter is 0.074 inch.

When making cylinder 10, rigging pilotage 15a-e is used to make a large amount of locks, and wherein each pin has 8 weakening regions being determined by circumferential recess 17.In native system, preferred key has 8 different notch depths and 5 pin cylinders, produces the individual combination in 32,000 (32,000).The width w (see figure 2) of each groove 17 is approximately the 0.0060-0.010 inch, and is approximately 0.0156 inch in each groove 17 (as Fig. 2) spacing of vertical direction.In the process of assembling lock 10, rigging pilotage 15a-e (each is sold equally all in tolerance+0.0005) is placed among the groove 14a-e and then and is cut off.Spaced apart grooves distributed 17 is arranged in rigging pilotage 15a-e, so as by one group of insertable key positioner in shear line 18.

Fig. 3 shows lining 13 and just is being pushed to the right side to cut off pin 15a-e, will do further explanation to this below.After cutting off, each rigging pilotage 15a-e is broken into as the last drive part 15u of drive pin and as the following standing part 115l of the aligning of steady pin.Cylinder sleeve 11 has tail loop section 20, and lining 13 has sloping portion 13a (see figure 1).A part 20p (seeing Fig. 6 and Fig. 7) of tail loop section 20 is bent towards sloping portion 13a, and the back will be described in detail this.

With reference to Fig. 4-5, pin shearing and crimp equipment 30 comprise the fastening devices 31 of lock, and this fastening devices 31 has a shaped hole to form the holding tank 32 of lock.Lock 10 and overcoat 11 and lining 13 and the rigging pilotage 15a-e that does not cut off are placed in the hole 32, and overcoat 11 leans against on the wall 32w.Lining afterbody 12 cooperates with shear pin 41 movably.As shown in Figure 4, mobile shear pin 41 is positioned at resting position, and this resting position is partial to the right side under the effect of spring 42.Also comprise in equipment 30 and shear post 36, it is installed in the cylinder opening 37 of static mounting blocks 38, and this mounting blocks and fastening devices 31 separate.Equipment 30 also comprises a beader 50, and this device 50 comprises a crimp drift 52 that is driven by solenoid E.Crimp moving pin 54 is in its resting position in the drawings, and this resting position departs from cylinder sleeve 11 under the effect of crimp pin spring 55.

During operation, comprise that the lock 10 of overcoat 11, lining 13, lining afterbody 12 and key 16 is placed in the hole 32 of fastening devices 31 as an assembly.Shear pin 41 is sheared the hammering of post 36, thereby applies power F to cylinder lining afterbody 12, makes lining 13 move along the Y direction.Thereby pin 15a-e is cut off (Fig. 3).Lining 13 is got back to initial position by manually utilizing key to be pushed.Then, beader 50 promotes the loop section 20p (see Fig. 1,6 and 7) of crimp moving pins 54 on the crooked overcoat 11 of lining sloping portion 13a.

With reference to Fig. 8,8a, 9 and 9a another embodiment of the invention is shown, wherein the shape of the structure of pin notch and lining is convenient to shear and rotation.The all fluted or notch 61 of each pin 60, for example 10 circumferential recess 61a-j (referring to Fig. 8) in the present embodiment.Each groove 61 all has angled surface regions or chamfering 63, is beneficial to lining rotation and makes that lock is more difficult to be pried open.(Fig. 8 plane a) becomes the inclined-plane of inclination angle C. chamfering 63 to be parallel to tangent line T to each chamfering 63, and this tangent line T is at the radius R of the ingress edge place of bushing pin pilot trench 71u (see figure 9) perpendicular to the lining 64 of overcoat-bush assembly 65 with longitudinal axes L A perpendicular to pin 60.Select this chamfering inclined-plane to help the rotation of lining most.List in table 1 (referring to Fig. 8) with the bottom 60b that key meshes to the distance at each groove center from pin 60.

Table 1

Letter distances (inch)

A 0.166

B 0.181

C 0.196

D 0.211

F 0.226

F 0.241

G 0.256

H 0.271

I 0.286

J 0.301

Each notch 61 comprise be positioned at plane Z that vertically pin axis LA is vertical on slot-open-section a and the slot-open-section b under the Z plane.

Lining 64 in overcoat-bush assembly 65 has the plane 66 that is in close proximity to overcoat part 67u on the overcoat 67, to determine the lining shear line.After the shearing, insert the key (not shown), formed steady pin 60t is raised, and drive pin 60d is raise.When lining 64 when any direction is rotated (for example counterclockwise; See Fig. 9 a), bottom too high or upward drive pin 60d is crossed when hanging down as steady pin 60t, and groove chamfer surface 63 helps freely to rotate.Chamfer surface 63 has reduced the possibility of outer grooving in pin collision overcoat or the lining and lining groove 71u, 71l side.

With reference to Figure 10 and 11, the figure shows a pin cutting mechanism 78, it comprises pedestal 79, seat chamber 81 and rotating drive unit 82, this drive unit places a chamber 81 to rotate around longitudinal axis A (Figure 11).Rotatable means 82 comprises handwheel 83 and the nut 84 that is installed in the pivotable drive body 80.Nut 84 can rotate with device of rotation driving 82 with the spanner (not shown).When device of rotation driving 82, be meshed with screw thread 89 on the plunger 87 by the screw thread 88 that installs on 82 the main body 80, make plunger 87 move.Plunger 87 is along AA direction rectilinear motion.Groove 91 and plumb post 93 that plunger 87 is had plane 92 stop rotation, and this pillar 93 engages with anti-rotation with surface 92.Mechanism 78 comprises lock holding tank 94, and the overcoat supporting walls 94 that prevents that overcoat-bush assembly 65 from moving along the AA direction is arranged in this groove 94.When mechanism 78 did, overcoat-bush assembly 65 was placed in the holding tank 94, and plunger 87 moves forward up to it and contacts with lining 64, with spanner rotating nut 84 lining 64 and overcoat was relatively moved then, was cut off until this rigging pilotage 60.After pin was cut off, handwheel 83 can rotate with rotating driving device 82 along proper orientation, thereby plunger 87 is moved along the direction opposite with AA.Make like this is in order to unclamp overcoat-bush assembly 65, so that it is removed from mechanism 78.

Embodiment

The door lock that is made of 5 assembling cotter way 71u, 71l and rigging pilotage 60 makes each rigging pilotage be cut off to form a hollow pin (tandem steady pin 60t and drive pin 60d) as previously mentioned, individual rigging pilotage is cut off to form a hollow pin (tandem steady pin 60t and drive pin 60d), wherein should be formed by the outer grooving and the lining groove that align by the assembling cotter way.The outer diameter D of each rigging pilotage 60 is 0.114 inch, and the reduction notch diameter (ND) in the groove is 0.076 inch (see figure 8).Each rigging pilotage 60 is being cut off-drive pin fixing to form to all comprising 10 groove 61a-j before.

Before shearing, the door lock cylinder is transported to the locksmith there, and locksmith's client provides a key of opening other lock that this client is used to the locksmith.The locksmith inserts client's key in the lock, and this lock is put into mechanism 78, cuts off rigging pilotage 60 then.Then, this client installs door lock at home, and this lock can be opened with the existing key of client.

Table 2

The pin specification

Type external diameter notch diameter shearing force F shears torque

D ND

10 pound of 200 inchpound of 0 114 inch 0.076 in2 of 10 pound of 200 inchpound door lock of 0.094 inch 0.076 in2 of padlock

The pin notch diameter ND of each groove provides enough intensity through selected with assurance, so that in key when (or having cross part) so that insert the instrument of keyhole, pin 60 can not damage, and this key can damage with the form that ruptures, cuts off or twist off before pin 60 is cut off.For example, the key of a hardened steel is inserted in the keyhole of the present invention's lock, and to apply size to key be 240 pounds/inch torque.This broken tool and pin 60 is not cut off.Pin groove 60a-j also is shaped to produce fracture and shear surface on steady pin and drive pin, and this surface irregularity also is convenient to lock-bit.At last, the shape of groove 61a-j makes pin in processing or when locksmith's process customized breaks, and forms steady pin and drive pin 60 that the tail end structure has chamfer surface 63, and this helps in afterwards the operation lining to be rotated.

With reference to the embodiment shown in Figure 12-16, padlock 103 comprises the lock body 104 that has overcoat-bush assembly 104a, and this assembly comprises lining 105 and overcoat 106.Also has snap close 107, key 108 and zigzag fashion rigging pilotage 110 shown in the figure.

Lining 105 comprises bush ring 105c, and bush ring connected in star 109, sleeve surface 105s and lining afterbody 111, groove 109 comprise bottom 109b and side 109s, and it (sees Figure 13 a) around lining 105.Overcoat 106 comprises overcoat part 113 and following overcoat part 114.Last overcoat part 113 comprises 5 overcoat cotter ways 116.Lining cotter way 117 in the following overcoat part is drawn together 4 notch 108a, and when key inserted in the key seat of lining 105, notch alignd with the bottom of pin 110.

Groove

116 and 117 distances along horizontal adjacent center are distance X as shown in figure 13.Figure 13 and Figure 14 also illustrate spring 112 and engage with the top of pin 11 0, and downwards towards key 109 pushing pins.

With reference to Figure 14, lining 105 is specifying the flank of tooth 115 places to be moved by the effect lower edge bifurcation direction of cutting off pin 110 required power along shear line (SL).After cutting off, drive pin 119a-e and following steady pin 121a-e in the formation.In addition, 4 the following steady pin 121a-ds nearest from the keyhole inlet distinguish displacement X, to aim at 4 last drive pin 119b-e.Last drive pin 119a falls into the groove 109 in the lining, by spring 112a it is compressed to bottom portion of groove 109b herein.The location of last drive pin 119a can be rotated lining 105, but can not shift out in overcoat 106, and reason is that side 109s cooperates with last drive pin 119a.This anti-loose characteristics have increased the safety of padlock 103.Following steady pin 121e can not move in its lining groove 117, and this groove is as the holes for clamping of pin part.

Just as shown in the figure, groove 116 and 117 diameter dimension are d.The diameter of pin 110 is basic identical with groove but slightly slightly little.Distance between adjacent slot is enough little, makes before steady pin 121b shifts out below drive pin 119b contiguous pin, as drive pin in the steady pin 121a support, as drive pin 119b (seeing Figure 14).

In addition, this anti-loose characteristics of the present invention are also very useful in traditional spring pin lock, and wherein steady pin and drive pin are made earlier, then assembling.In this lock, the lining groove that also will process an outer wrapper attached groove and aim at it, the pin that can shear is put into lock.Lining comprises a groove.After lining and an overcoat assembled, pin was cut off and a part enters the lining groove and gets loose to prevent lining, and makes that simultaneously lining can be moving in the overcoat transfer.

Claims are according to the modification of the 19th of treaty

1. cylinder lock, it comprises the overcoat with longitudinal axis, be installed in the interior rotatable lining of overcoat around described overcoat rotational, keyhole in the lining, the cotter way of a plurality of alignings in this overcoat and the lining and be slidably mounted in rigging pilotage in the cotter way, described keyhole extends along described overcoat axis, described cotter way is communicated with described keyhole, described each rigging pilotage all has vertical pin axis and one group of isolated atenuator region of this vertical pin axis of edge, when shearing force being applied in the described rigging pilotage, each described rigging pilotage is cut off to become to go up drive pin and following steady pin along described atenuator region, and improvement wherein is:

A) weakening region of described rigging pilotage has enough intensity, to prevent owing to it being cut off through the maximum rotation power that this keyhole is applied on the described lining by each the key class instrument that is inserted in the described keyhole.

2. the cylinder lock of claim 1 is characterized in that:

A) apparent surface of described overcoat and lining has determined shear line;

B) described lining has external surface, and described cotter way runs through this external surface in lining; And

C) sleeve outer surface that runs through of described cotter way is smooth, and forms the described apparent surface of lining.

3. the cylinder lock of claim 2 is characterized in that:

A) shape of each atenuator region in order to determine cut off the posterior end have outside the drive pin of bevel edge.

4. the cylinder lock of claim 1 is characterized in that:

A) the spaced apart distribution of overcoat axis longitudinally of the described groove in the described lining;

B) external surface of described lining, described vertical overcoat axis and along the described groove of this axis along laterally forming a drum;

C) shape of each weakening region is in order to the steady pin of bevel edge outside having on determining after cutting off;

D) described outer bevel edge approximately is parallel to the tangent line of described sleeve outer surface, and this sleeve outer surface is cylindrical and be in close proximity to described cotter way.

5. the cylinder lock of claim 4 is characterized in that, but each weakening region is definite by the notch with cutting out section, but this cutting out section is positioned at the plane perpendicular to described pin axis.

6. cylinder lock, it comprises the overcoat that has vertical overcoat axis, be installed in the overcoat can be around the rotatable lining of described overcoat rotational, the shear line that the apparent surface by this overcoat and lining between described overcoat and lining determines, keyhole in the lining, a plurality of cotter ways of aiming in overcoat and the lining and be slidably mounted in rigging pilotage in the cotter way, described keyhole extends along described overcoat axis, described cotter way is communicated with described keyhole, described each rigging pilotage all has vertical pin axis and one group of isolated atenuator region of this vertical pin axis of edge, when shearing force being applied in the described rigging pilotage, each described rigging pilotage is cut off to become to go up drive pin and following steady pin along described atenuator region, and improvement wherein is:

A) described lining has external surface, and the cotter way in the described lining runs through this external surface; And

B) between each described lining groove and the external surface that runs through of each lining groove be smooth, and form the described apparent surface of lining.

7. the cylinder lock of claim 6 is characterized in that:

A) shaping of each atenuator region in order to determine cut off the posterior end have outside the drive pin of bevel edge.

8. cylinder lock, it comprises the overcoat with longitudinal axis, be installed in the interior rotatable lining of overcoat around described overcoat rotational, keyhole in the lining, the cotter way of a plurality of alignings in this overcoat and the lining and be slidably mounted in the cotter way in order to towards with the pin that moves away from keyhole, described keyhole extends along described overcoat axis, described cotter way is communicated with described keyhole, described each pin all has vertical pin axis and one group of isolated atenuator region of this vertical pin axis of edge, each described pin is sheared and is cut off formation along one of them atenuator region and go up drive pin and following steady pin along any atenuator region, and improvement wherein is:

A) the described weakening region of drive pin and steady pin has enough intensity, to prevent owing to it being cut off through the maximum rotation power that this keyhole is applied on the described lining by each the key class instrument that is inserted in the described keyhole.

9. method of making lock, this lockset has overcoat, rotary type is installed and had and be used to insert key [when this key rotates under the effect of first external force in described overcoat, lost efficacy on its structure, ] rotatable lining, shear line and a plurality of outer grooving of aiming at and the lining groove between overcoat and lining of keyhole, said method comprising the steps of:

A) overcoat and lining are assembled together, outer grooving is aimed at the lining groove;

B) in the outer grooving of each aligning and lining groove, lay a rigging pilotage, this pin has one group of isolated atenuator region and has intensity, make first shearing force of the maximum rotation power that is equal to or less than in the described rigging pilotage that is applied to can this rigging pilotage not cut off along described weakening region, this maximum rotation power is to be applied on the described lining through this keyhole by each the key class instrument that is inserted in the described keyhole;

C) the selected weakening region of each rigging pilotage is aimed at mutually so that shear; And

D) subsequently, shear this rigging pilotage by applying along shear line along selecting weakening region, thereby two pin sections were cut off in each rigging pilotage greater than second shearing force of described maximum rotation power.

10. the method for claim 9, wherein lining has flat outer surface, and each cotter way in the described lining runs through this external surface, the method is characterized in that:

A) described second shearing force applies along described flat surfaces.

11. method of making lock, this lock comprises the overcoat with vertical overcoat axis, have vertical lining axis and the rotatable lining that can insert the keyhole of key along described lining axis, a plurality of aligning cotter ways in described overcoat and the lining, and the shear line between described overcoat and lining, described lining has the flat outer surface that lining axis longitudinally extends between each cotter way, each cotter way runs through this external surface in lining, the flat outer surface of described lining and the apparent surface of described overcoat have determined the shear line between overcoat and the lining, and this method may further comprise the steps:

A) overcoat and lining are assembled together, the locked groove in this overcoat and the lining is aimed at;

B) lay a rigging pilotage in the cotter way of each aligning, this pin has one group of isolated atenuator region;

C) the selected atenuator region of each rigging pilotage is aimed at mutually so that shear; And

D) subsequently, shear rigging pilotage by applying shearing force along described selected weakening region, thereby two pin sections are cut off in each rigging pilotage along this lining axis direction along described flat surfaces.

12. shear the equipment of the rigging pilotage in the lock, this lock comprises the overcoat with overcoat axis and has the lining of the rotatable installation of vertical lining axis that be applied to by the power that will be parallel to described lining axis and realize described shearing on this lining, this equipment comprises:

A) support

B) be used to lay the lock holding tank of overcoat-bush assembly in the support, this assembly comprises described lining and described overcoat, and this holding tank is included in the overcoat clamping device that prevents the overcoat motion in the shear history; And

C) be used for the lining mobile device of mobile lining when overcoat is fixed, this mobile device comprises:

I) plunger assembly that cooperates with lining, be used for towards with deviate from lining motion, and

Ii) be connected in the removable drive unit of described plunger assembly, nestle up lining with convenient overcoat fixedly the time and move this plunger assembly with mobile lining.

13. a lock, this lockset have overcoat and be arranged in a plurality of lining grooves of aiming at described outer grooving of rotatable lining, keyhole and the lining of a plurality of outer grooving of this overcoat, overcoat, improvement wherein comprises:

A) be positioned at a pair of pin section of being cut off of the outer grooving and the lining groove of each aligning, the pin section that the every pair of quilt is cut off is that the single rigging pilotage that is not sheared by outer grooving that initially is arranged in this each aligning and lining groove forms;

B) in described lining with one of them outside the annular recess aimed at of grooving; And

C) described pin section of being cut off comprises:

1) be arranged in the first pin section that the quilt of described this pin grooves is cut off, this first section is that the quilt that initially is positioned at first rigging pilotage of described this outer grooving is cut off part, and the described first pin section of being cut off also extends in the described lining groove, and

2) be positioned at the second pin section of adjacent lining groove, the part that the quilt that this second pin section is this first rigging pilotage is cut off.

14. a lock, this lock comprise that rotatable lining, this lining in the overcoat that has a plurality of adjacent outer groovings, the overcoat has the lining groove that keyhole and a plurality of and described outer grooving are aimed at, improvement wherein comprises:

C) described pin section of being cut off comprises:

1) be arranged in the first pin section that the quilt of described this pin grooves is cut off, this first section is that the quilt that initially is positioned at first rigging pilotage of described this outer grooving is cut off part, and the described first pin section also extends in the described annular recess,

2) be positioned at first rigging pilotage of described this outer grooving next-door neighbour's lining groove second section, and

3) be installed in the outer grooving of other each aligning and in the lining groove other to the pin section, when the key of this lock inserted in the described keyhole, the arbitrary shear line of each section edge between overcoat and lining to pin leaning this another section to pin.

15. the lock of claim 14 is characterized in that:

A) the pin section in each outer grooving all is that the quilt of the pin section in the next adjacent lining groove is cut off part.

16. lock, this lock comprises overcoat with a plurality of adjacent outer groovings, be installed in the described overcoat and have keyhole and the rotatable lining of a plurality of adjacent lining groove aimed at described outer grooving and be positioned at each described aligning a pair of pin section of shearing of grooving and lining groove outward, the pin section that the every pair of quilt is cut off is that the single rigging pilotage that is not sheared by outer grooving that initially is arranged in each aligning and lining groove forms, and improvement wherein is:

A) the pin section that is arranged in each outer grooving is that the quilt that initially is positioned at the rigging pilotage of next adjacent lining groove is cut off part, when the key of lock inserted in the described keyhole, arbitrary each pin section to pin was all leaning this another pin section to pin along the shear line between overcoat and the lining.

17. a method of making lock, this lock comprise overcoat, have the lining groove of the interior a plurality of alignings of shear line, a plurality of outer grooving in the overcoat and lining between rotatable lining, overcoat and the lining of key and annular recess, this method may further comprise the steps:

A) assembling overcoat and lining all have the rigging pilotage of local weakness in the overcoat of each aligning and the lining groove;

B) shear each rigging pilotage by applying the shearing force that lining is moved along the shear line direction then, so that each pin is cut into two sections, one section is trundle, and another section is a steady pin; And

C) in overcoat, be moved further lining, so that outer grooving is aimed at this lining groove.

18. the method for claim 17 is characterized in that, after being moved further of described lining, the drive pin that quilt is cut off partly places described groove; And after being moved further of described lining, except described this places the drive pin that the quilt in the groove cuts off, each drive pin of being cut off is all supported by adjacent steady pin.

19. method of making lock, this lock comprise have vertical overcoat axis and a plurality of outside this overcoat axis setting adjacent grooving overcoat, have the rotatable lining of vertical lining axis, this lining be installed in the described overcoat with around described lining rotational and have keyhole and be provided with along this lining axis and with described outside a plurality of adjacent lining groove aimed at of grooving, described overcoat and lining are determined a shear line between them, this method comprises:

A) along this overcoat axis direction this lining is moved to first axial location in the overcoat vertically, this position should outside grooving and lining groove be in first aligned position;

B) in the outer grooving of each aligning and lining groove, put into the rigging pilotage that to cut off;

C) in overcoat, vertically this lining is moved to second axial location, each rigging pilotage is cut off to become to be positioned at the quilt that the quilt of grooving outside each cuts off drive pin and be positioned at each lining groove and cut off steady pin along shear line; And

D) at second aligned position grooving is aimed at this lining groove, the drive pin that quilt in the outer grooving of this any one aligning of position is cut off all is that the quilt of the steady pin in next next-door neighbour's alignment bushings groove is cut off part, when the key of this lock was inserted in its keyhole, the steady pin that is positioned at each lining groove headed on the drive pin that is positioned at grooving outside the aligning on this shear line.

21. method of making lock, this lock comprise have vertical overcoat axis and a plurality of outside this overcoat axis setting adjacent grooving overcoat, have the rotatable lining of vertical lining axis, this lining be installed in the described overcoat with around described lining rotational and have keyhole, annular recess and be provided with along this lining axis and with described outside a plurality of adjacent lining groove aimed at of grooving, described overcoat and lining are determined a shear line between them, this method comprises:

A) along the overcoat axis direction this lining is moved to first axial location in the overcoat vertically, grooving and lining groove are in first aligned position outside this position, and along this annular groove of lining axis direction with outside first aligned position of grooving and lining groove separate;

B) rigging pilotage that can cut off of in the outer grooving of each aligning and lining groove, packing into;

C) outside each is described, put into a spring assembly in the grooving, this rigging pilotage is pushed in this lining groove;

D) in overcoat, vertically this lining is moved to second axial location, cutting off each rigging pilotage along shear line, thereby form the steady pin that the drive pin that the quilt that is positioned at each outer grooving cuts off and the quilt that is positioned at each lining groove are cut off; And

E) described outer grooving and one are aimed at the outer grooving of described lining groove alignment, under the effect of described spring assembly, the drive pin that is arranged in an outer grooving extends into described lining groove, other outer grooving is aimed at the lining groove at second aligned position, in this position, being arranged in any quilt of aiming at outer grooving, to cut off drive pin be that the quilt that is arranged in the steady pin of next adjacent alignment lining groove is cut off part, when the key of this lock inserted in the described keyhole, the steady pin in each alignment bushings groove leaned the drive pin that is arranged in grooving outside the described aligning at described shear line place.

22. a lock, it comprises:

A) padlock body;

B) overcoat-bush assembly, it comprises:

I) have the overcoat of a plurality of isolated outer groovings,

Ii) the primary importance rotary type be installed in rotatable lining in the described overcoat, described lining has the lining groove that keyhole and a plurality of and described outer grooving aim at and moves to the second place, the adjacent next outer grooving aligning of grooving outside those that aim in primary importance at some described lining groove of this second place and its.

Iii) when described lining is in described primary importance, be arranged in the rigging pilotage that each aims at the local weakness of outer grooving and lining groove, and

Iv) described rigging pilotage is pushed the device in the described alignment bushings groove;

C) described overcoat-bush assembly is installed in the described padlock body, and described lining is in this primary importance and will moves to the described second place thus; And

D) described lining is remained on the locking device of this second place.

23. a lock, it comprises:

A) padlock body;

B) overcoat-bush assembly, it comprises:

I) have vertical overcoat axis and a plurality of along the be spaced apart from each other overcoat of outer grooving of preset distance of this overcoat axis,

The rotatable lining that ii) has vertical lining axis, it along the overcoat axis in primary importance is installed in rotation on described overcoat, described lining has keyhole and has along be spaced apart from each other a plurality of lining grooves of preset distance of described lining axis at the one end, described lining is installed in this overcoat, so that move to the second place from described primary importance along this overcoat axis, grooving is aimed at mutually with the lining groove outside this primary importance is described, and the described lining of this second place move along this overcoat axis described preset distance and some described outside the contiguous next lining groove of those lining grooves aimed in described primary importance of grooving and its aim at

Iii) be placed in the outer grooving of each described aligning and the rigging pilotage in the lining groove, each rigging pilotage has one group of isolated weakening region of shearing, when this lining when primary importance moves to the second place, the selection area in these weakening regions will be sheared, and

Iv) be arranged in the spring assembly of each described outer grooving, be used for described rigging pilotage is pushed in the lining groove of described aligning;

C) described overcoat-bush assembly is installed in this padlock body, and this lining is positioned at described first position and will lining be moved to second position from first position in the inside of padlock body; And

D) locking device, described lining moves to this second place from this primary importance to be used in a single day, overcomes along moving of described overcoat axis described lining is remained on this second place.

24. the lock of claim 23 is characterized in that:

A) described locking device comprises the annular groove that is arranged in described lining, the part that the feasible quilt that can hold a rigging pilotage when this lining is positioned at the described second place of the size of this groove is cut off, when this lining was positioned at described first position, described groove was along the outer grooving aimed at and the lining groove spaced apart described predetermined distance of this lining axis with a described end that approaches most this lining.

25. the lock of claim 24 is characterized in that:

A) when described lining was positioned at described first position, described this end of this lining was positioned at the outside of padlock body, and when it during in this second position, this end is positioned at the inside of padlock body.

26. each lock among claim 13-16 and the 19-25 is characterized in that:

A) described pin has sufficient intensity and is being cut off when described lining applies rotatory force by described keyhole to prevent it.

Claims

A) described rigging pilotage has enough intensity, to prevent owing to it being cut off through the maximum rotation power that this keyhole is applied on the described lining by the key class instrument that is inserted in the described keyhole.

2. the cylinder lock of claim 1 is characterized in that:

A) described lining has external surface, and described cotter way runs through this external surface in lining; And

B) sleeve outer surface that runs through of described cotter way is smooth.

3. the cylinder lock of claim 2 is characterized in that:

4. the cylinder lock of claim 1 is characterized in that:

6. cylinder lock, it comprises the overcoat that has vertical overcoat axis, be installed in the overcoat can be around the rotatable lining of described overcoat rotational, keyhole in the lining, a plurality of cotter ways of aiming in overcoat and the lining and be slidably mounted in rigging pilotage in the cotter way, described keyhole extends along described overcoat axis, described cotter way is communicated with described keyhole, described each rigging pilotage all has vertical pin axis and one group of isolated atenuator region of this vertical pin axis of edge, when shearing force being applied in the described rigging pilotage, each described rigging pilotage is cut off to become to go up drive pin and following steady pin along described atenuator region, and improvement wherein is:

B) sleeve outer surface that runs through of described cotter way is smooth.

7. the cylinder lock of claim 6 is characterized in that:

A) described drive pin and steady pin have enough intensity, to prevent owing to it being cut off along described weakening region through the maximum rotation power that this keyhole is applied on the described lining by the key class instrument that is inserted in the described keyhole.

9. method of making lock, the rotatable lining that this lockset has overcoat, the keyhole that is used to insert key is installed and had to rotary type in described overcoat, shear line and a plurality of outer grooving of aiming at and lining groove between overcoat and lining, when this key rotates under the effect of first external force, lost efficacy on its structure, said method comprising the steps of:

B) in the outer grooving of each aligning and lining groove, lay a rigging pilotage, this pin has one group of isolated atenuator region and has intensity, makes second shearing force of first power that is equal to or less than in the described rigging pilotage that is applied to can not cut off described rigging pilotage along described atenuator region;

D) subsequently, shear this rigging pilotage by applying along shear line along selecting weakening region, thereby two pin sections were cut off in each rigging pilotage greater than the 3rd shearing force of first power.

10. the method for claim 9, wherein lining has flat outer surface, and the cotter way in the described lining runs through this external surface, the method is characterized in that:

A) described the 3rd power applies along described flat surfaces.

11. method of making lock, this lock comprises overcoat with vertical overcoat axis, have vertical lining axis and can insert a plurality of aligning cotter ways and the shear line between described overcoat and lining in rotatable lining, described overcoat and the lining of keyhole of key along described lining axis, described lining has flat outer surface, cotter way in the described lining runs through this external surface, and this method may further comprise the steps:

A) support

B) be used to lay the lock holding tank of overcoat one bush assembly in the support, this assembly comprises described lining and described overcoat, and this holding tank is included in the overcoat clamping device that prevents the overcoat motion in the shear history; And

A) in described lining with one of them outside the annular recess aimed at of grooving;

B) be arranged in the first pin section that the quilt of described this outer grooving is cut off, the first pin section that this quilt is cut off also extends in this lining groove; And

C) be positioned at the second pin section of adjacent lining groove, this second pin section is the part that this first pin section is cut off.

A) be positioned at the annular recess of aiming at one of them outer grooving of this lining;

B) be positioned at the first pin section that the quilt of described this outer grooving is cut off, this first section extends in this annular groove;

C) be arranged in described second section of being cut off first pin with described this outer grooving next-door neighbour's lining groove; And

D) be installed in the outer grooving of other each described aligning and in the lining groove other to the pin section, when the key of this lock inserted in the described keyhole, the arbitrary shear line of each section edge between overcoat and lining to pin leaning this another section to pin.

15. the lock of claim 14 is characterized in that:

16. lock, this lock comprises overcoat with a plurality of adjacent outer groovings, be installed in the described overcoat and have keyhole and the rotatable lining of a plurality of adjacent lining groove aimed at described outer grooving and be positioned at each described aligning a pair of pin section of shearing of grooving and lining groove outward, and improvement wherein is:

A) the pin section in any one outer grooving is that the quilt that is arranged in the pin section of next adjacent lining groove is cut off part, when the key of lock inserted in the described keyhole, arbitrary each pin section to pin was all leaning this another pin section to pin along the shear line between overcoat and the lining.

18. the method for claim 17 is characterized in that: after described being moved further of lining, the drive pin in entering groove, each drive pin of being cut off is all supported by an adjacent steady pin.

22. a lock, it comprises:

A) padlock body;

B) overcoat-bush assembly, it comprises:

I) have the overcoat of a plurality of isolated outer groovings,

D) described lining is remained on the locking device of this second place.

23. a lock, it comprises:

A) padlock body;

B) overcoat-bush assembly, it comprises:

24. the lock of claim 23 is characterized in that:

A) described locking device comprises the annular groove that is arranged in described lining, the feasible part that quilt is cut off when this lining is positioned at the described second place, can holding a rigging pilotage of the size of this groove, when this lining was positioned at described first position, described groove was along this lining axis and the spaced apart described predetermined distance of outer sleeve bushing groove that approaches a described end of this lining most.

25. the lock of claim 24 is characterized in that:

38. each lock among claim 13-16 and the 19-25 is characterized in that: