JP2000192697A - Safety device - Google Patents
Safety deviceInfo
- Publication number
- JP2000192697A JP2000192697A JP10371443A JP37144398A JP2000192697A JP 2000192697 A JP2000192697 A JP 2000192697A JP 10371443 A JP10371443 A JP 10371443A JP 37144398 A JP37144398 A JP 37144398A JP 2000192697 A JP2000192697 A JP 2000192697A
- Authority
- JP
- Japan
- Prior art keywords
- thumb
- turn
- lock
- shaft
- operating pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lock And Its Accessories (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、錠前の安全性を
向上させるため、ピッキングを事実上不可能にした新規
な安全装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel safety device in which picking is virtually impossible in order to improve the safety of a lock.
【０００２】[0002]
【従来の技術】扉口の錠前のシリンダ錠は、所謂ピッキ
ングによる不正解錠が不可能ではないことは周知の事実
であり、また、錠前の安全性を向上させることができる
ドアチェーンや所謂ガードアーム装置は室内側からしか
作動させることができない。2. Description of the Related Art It is a well-known fact that a cylinder lock of a lock at a door is not impossible to unlock by so-called picking, and a door chain or a so-called guard capable of improving the safety of the lock. The arm device can be operated only from the indoor side.
【０００３】[0003]
【発明が解決しようとする課題】それ故、一つの扉に二
つの錠前を装着する所謂ワンドア・ツーロックが推奨さ
れている。Therefore, a so-called one-door to two-lock system in which two locks are mounted on one door is recommended.
【０００４】しかしながら、ワンドア・ツーロツクは、
シリンダ錠及び錠箱をもう１組扉に装着するものである
から、不経済である、という不都合がある。[0004] However, one-door tourism is
Since the cylinder lock and the lock box are mounted on the other set of doors, there is a disadvantage that it is uneconomical.
【０００５】そこで、この発明は、簡単な構造でピッキ
ングを事実上不可能にし、ワンドア・ツーロックよりも
錠前の安全性を向上させることができる新規な安全装置
を提供することを目的としている。SUMMARY OF THE INVENTION It is an object of the present invention to provide a novel safety device which makes picking practically impossible with a simple structure and which can improve the safety of a lock compared to a one-door two-lock.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
め、請求項１に記載の発明は、サムターン案内筒に回動
可能にかつ長さ方向に移動可能に案内され、シリンダー
錠に近接する方向に付勢されたサムターン軸、及び上記
サムターン案内筒の一方に係合突起を、他方にこの係合
突起と係合してその円周方向の移動を阻止する係止凹部
を夫々形成し、一方、シリンダー錠の鍵孔内端部に、内
側から、作動ピンの一端部を長さ方向に移動可能に挿入
すると共に、作動ピンの他端をサムターン軸の内端に臨
ませ、施錠時、係合突起と係合凹部とを係合させてサム
ターン軸が回動しないようにし、解錠時、合鍵の先端に
より作動ピンをサムターン軸方向に押出し、その係合突
起を係止凹部から抜き外すようにしたことを特徴とす
る。In order to achieve the above object, the invention according to claim 1 is guided by a thumb turn guide cylinder so as to be rotatable and movably in the longitudinal direction, and is brought close to a cylinder lock. A thumb-turn shaft urged in the direction, and an engagement protrusion on one of the above-mentioned thumb-turn guide cylinders, and a locking recess that engages with the engagement protrusion to prevent movement in the circumferential direction, respectively, are formed, On the other hand, one end of the operating pin is inserted movably in the length direction from the inside into the inner end of the keyhole of the cylinder lock, and the other end of the operating pin faces the inner end of the thumb turn shaft. Engage the engagement projection with the engagement recess to prevent the thumb-turn shaft from rotating, and when unlocking, push out the operating pin with the tip of the duplicate key in the axial direction of the thumb-turn, and remove the engagement protrusion from the engagement recess. It is characterized by doing so.
【０００７】[0007]
【発明の実施の態様】以下、この発明の一実施例を図面
を参照して説明する。図１において符号１は扉を示し、
この扉１の内面（図で左側の面）にはフランジ付のサム
ターン案内筒２がねじ３止めされている。An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 indicates a door,
A thumb-turn guide tube 2 with a flange is screwed to the inner surface (left surface in the figure) of the door 1.
【０００８】このサムターン案内筒２は、内端（図で左
端）を小径にした段付の内筒部を有し、その内端面外周
部には、図２に示すように、母線方向に深い係止凹部４
が形成されている。The thumb-turn guide cylinder 2 has a stepped inner cylinder portion having a small diameter at the inner end (left end in the figure), and the outer peripheral portion of the inner end surface is deeper in the generatrix direction as shown in FIG. Locking recess 4
Are formed.
【０００９】また、サムターン案内筒２の内筒部には、
図１に示すように、内端から順に異形断面部、小径部及
び大径部を連設したサムターン軸５が回動可能に、かつ
長さ方向に移動可能に嵌合している。In addition, the inner cylinder portion of the thumb turn guide cylinder 2 includes:
As shown in FIG. 1, a thumb-turn shaft 5 having an irregularly shaped cross-section, a small-diameter portion, and a large-diameter portion connected in order from the inner end is fitted rotatably and movably in the length direction.
【００１０】すなわち、サムターン軸５の室内側端部
（図１で左端部）を室外側からサムターン案内筒２の大
径部に差し通し、サムターン案内筒２の内端から室内に
突出した部分を例えば止め輪６により長さ方向において
拘束する。That is, the indoor end (the left end in FIG. 1) of the thumb turn shaft 5 is inserted from the outdoor side into the large-diameter portion of the thumb turn guide cylinder 2, and the part protruding into the room from the inner end of the thumb turn guide cylinder 2 is removed. For example, it is restricted in the length direction by the retaining ring 6.
【００１１】サムターン軸５の内端には横断面形状が十
字形の連結片７が一体に装着されており、この先端に連
結片７を装着したサムターン軸５の内端部は、扉面及び
図示を省略する錠箱の側板を挿通して、ダルマ形のクラ
ッチ孔８（図３参照）を開口させたダルマ軸９と係合し
ている。A connecting piece 7 having a cruciform cross section is integrally attached to the inner end of the thumb-turn shaft 5, and the inner end of the thumb-turn shaft 5 having the connecting piece 7 attached to its tip is a door surface and A side plate of a lock box (not shown) is inserted therethrough and engaged with a dharma shaft 9 having a dharma-shaped clutch hole 8 (see FIG. 3) opened.
【００１２】このダルマ軸９には、外側から、後述する
シリンダ錠の内筒に一体に結合されたテールピースが係
合することは通常の錠止機構と同様である。A tail piece integrally connected to an inner cylinder of a cylinder lock, which will be described later, is engaged with the dharma shaft 9 from the outside in the same manner as a normal locking mechanism.
【００１３】ちなみに、このダルマ軸９の外周部には図
示しないデッドカムが一体的に装着され、このデッドカ
ムによってデッドボルトなどの錠止ボルトの出没が制御
される。Incidentally, a dead cam (not shown) is integrally mounted on an outer peripheral portion of the dharma shaft 9, and the coming and going of a locking bolt such as a dead bolt is controlled by the dead cam.
【００１４】また、図１に示すように、サムターン案内
筒２の内筒段部とサムターン軸５の大径段部との間には
圧縮コイルばねとしての付勢ばね１１が弾装されてお
り、この付勢ばね１１の弾力により、サムターン軸５は
シリンダー錠１２に近接する方向に付勢されている。As shown in FIG. 1, an urging spring 11 as a compression coil spring is elastically mounted between the inner cylinder step of the thumb turn guide cylinder 2 and the large diameter step of the thumb turn shaft 5. Due to the elasticity of the biasing spring 11, the thumb turn shaft 5 is biased in a direction approaching the cylinder lock 12.
【００１５】一方、サムターン軸５の前記止め輪６の近
傍でこれより室外側の部分には、サムターン軸の半径方
向に打込まれたピン様の係合突起１３が突設されてい
る。On the other hand, a pin-like engaging projection 13 which is driven in the radial direction of the thumb-turn shaft is protruded from a portion of the thumb-turn shaft 5 near the retaining ring 6 and on the outdoor side thereof.
【００１６】その為、上記付勢ばね１１の弾力がサムタ
ーン軸５を外方に付勢しても、係合突起１３がサムター
ン案内筒２の内端面或いは係止凹部４（図２参照）の底
面に係止されるから、サムターン軸５が外方に抜き出て
しまうことはない。Therefore, even if the elastic force of the urging spring 11 urges the thumb-turn shaft 5 outward, the engaging projections 13 are formed on the inner end surface of the thumb-turn guide cylinder 2 or the locking recess 4 (see FIG. 2). Since it is locked to the bottom surface, the thumb-turn shaft 5 does not come out outward.
【００１７】更にまた、図１に示すように、サムターン
軸５の室内側の異形断面部（図示の実施例では方形部）
には、サムターン軸を操作するときに手指を掛ける摘み
１４が装着されている。Furthermore, as shown in FIG. 1, a deformed cross section (square in the illustrated embodiment) of the thumb-turn shaft 5 on the indoor side.
Is mounted with a knob 14 for putting a finger when operating the thumb-turn shaft.
【００１８】一方、図１に示すように、扉１の外面側に
装着されたシリンダー錠１２の尾栓１５の内端には、テ
ールピース１６が嵌着されている。On the other hand, as shown in FIG. 1, a tail piece 16 is fitted to the inner end of the tail plug 15 of the cylinder lock 12 mounted on the outer surface side of the door 1.
【００１９】このテールピース１６は、図５に示すよう
に、横断面形状が略横向きト字形の部材で、ダルマ軸９
のクラッチ孔８（図４参照）と係脱してダルマ軸９の回
動操作を行う操作板部１６ａと、次に述べる作動ピン１
７を案内するピン案内部１６ｂとを一体に結合したもの
である。As shown in FIG. 5, the tail piece 16 is a member having a substantially horizontal T-shape in cross section.
An operation plate 16a for engaging and disengaging with the clutch hole 8 (see FIG. 4) for rotating the darma shaft 9, and an operating pin 1 described below.
7 is integrally combined with a pin guide 16b that guides the pin 7.
【００２０】なお、図示のようにテールピース１６を非
対称に形成した理由は、シリンダー錠１２の内筒或いは
サムターン軸５の回動中心Ｏと、作動ピン１７或いはシ
リンダー錠の鍵孔１８（図１参照）とが図示の実施例で
は上下方向にずれているためであって、この発明の必須
の構成要件ではない。The reason why the tail piece 16 is formed asymmetrically as shown in the figure is that the inner cylinder of the cylinder lock 12 or the rotation center O of the thumb turn shaft 5 and the operating pin 17 or the keyhole 18 of the cylinder lock (FIG. 1) This is because they are shifted in the vertical direction in the illustrated embodiment, and are not essential components of the present invention.
【００２１】そして、鍵孔１８の内端部には、上記テー
ルピース１６を室内側から挿通するようにして、作動ピ
ン１７の一端部が長さ方向に移動可能に挿入されてい
る。One end of an operating pin 17 is inserted into the inner end of the keyhole 18 such that the tail piece 16 is inserted from the indoor side so as to be movable in the length direction.
【００２２】この作動ピン１７の内端部には、図１に示
すように、鍵孔１８から室外側に抜け出ることを防止す
るため止め輪６を嵌着することを可とする。As shown in FIG. 1, a retaining ring 6 can be fitted to the inner end of the operating pin 17 to prevent the operating pin 17 from coming out of the key hole 18 to the outside of the room.
【００２３】そして、施錠時、係合突起１３がサムター
ン案内筒２に形成された係合凹部４と係合し、付勢ばね
１１の弾力により係合凹部の底面に定座した状態で、サ
ムターン軸５の内端面、すなわち連結片７の内端面と作
動ピン１７との内端が軽く当接するか、或いは僅かの隙
間を介して対峙するように、各部の寸法を設定する。At the time of locking, the engagement projection 13 engages with the engagement recess 4 formed in the thumb-turn guide cylinder 2, and is held on the bottom surface of the engagement recess by the elastic force of the biasing spring 11. The dimensions of the respective parts are set so that the inner end face of the shaft 5, that is, the inner end face of the connecting piece 7 and the inner end of the operating pin 17 lightly abut or face each other with a slight gap.
【００２４】なお、図３において符号８ａはテールピー
スの前記ピン案内部１６ａ（図５参照）との干渉を避け
るためにクラッチ孔８に形成された切り欠きで、図示の
実施例におけるシリンダー錠は、内筒を時計方向に９０
度回して、すなわち図４では反時計方向に９０度回して
施錠し、９０度回し戻して鍵を引き抜き、内筒を図４で
時計方向に９０度回して解錠し、９０度回し戻して鍵を
引き抜く操作をするものとする。In FIG. 3, reference numeral 8a denotes a cutout formed in the clutch hole 8 to avoid interference with the pin guide 16a (see FIG. 5) of the tailpiece. , Rotate the inner cylinder 90
4, the lock is turned by 90 degrees counterclockwise in FIG. 4, the key is pulled out by turning back 90 degrees, the inner cylinder is turned 90 degrees clockwise in FIG. 4 to unlock, and then turned back by 90 degrees. An operation of pulling out a key shall be performed.
【００２５】上記のように構成されたこの発明の一実施
例による安全装置は、施錠時には、図示しない錠箱から
ストライク板側に突出したデッドボルトによって扉が扉
枠に錠止されると共に、図１に示すように、室内側の係
合突起１３がサムターン案内筒の係止凹部４（図２参
照）と係合している。In the safety device according to one embodiment of the present invention configured as described above, at the time of locking, the door is locked to the door frame by a dead bolt projecting from the lock box (not shown) to the strike plate side. As shown in FIG. 1, the engagement projection 13 on the indoor side is engaged with the locking recess 4 (see FIG. 2) of the thumb-turn guide cylinder.
【００２６】この状態で、ピッキングによりシリンダ錠
を不正解錠して室外側からダルマ軸９を解錠方向に回そ
うとすると、図３に示すようにサムターン軸５とダルマ
軸９とは円周方向においては一体に結合されているの
で、ダルマ軸９を介してデッドボルトを引っ込ませよう
とする外力は係合突起１３と係止凹部４との係合を介し
てサムターン案内筒２に衝止され、それ以上シリンダ錠
を回すことができなくなる。In this state, when the cylinder lock is illegally unlocked by picking and the dharma shaft 9 is to be rotated in the unlocking direction from the outside of the room, the thumb turn shaft 5 and the dharma shaft 9 are circumferentially connected as shown in FIG. In the direction, the external force for retracting the deadbolt via the dharma shaft 9 collides with the thumb-turn guide cylinder 2 through the engagement between the engagement projection 13 and the engagement recess 4. And the cylinder lock cannot be turned any further.
【００２７】ちなみに、合鍵によるシリンダ錠の操作は
通常２種類で、すなわち鍵を鍵孔に挿入して解錠方向に
９０度回し、解錠後９０度戻して鍵を抜くのがその一
で、鍵の挿入後解錠方向に１８０度回し、その角度位置
で鍵を抜くのがその二である。By the way, the operation of the cylinder lock using the duplicate key is usually of two types, namely, inserting the key into the keyhole, turning it 90 degrees in the unlocking direction, returning it 90 degrees after unlocking, and removing the key. After the key is inserted, it is turned 180 degrees in the unlocking direction, and the key is removed at that angular position.
【００２８】前者の場合は解錠方向への回動始めにおい
てその回動を阻止され、後者の場合は、ダルマ軸９のク
ラッチ孔８の作用により、シリンダ錠の内筒が９０度空
転したのちそれ以後の回動が阻止される。In the former case, the rotation is prevented at the beginning of the rotation in the unlocking direction. In the latter case, the inner cylinder of the cylinder lock idles 90 degrees due to the action of the clutch hole 8 of the dharma shaft 9. Further rotation is prevented.
【００２９】したがって、たとえピッキングによってシ
リンダ錠が不正解錠されたとしても、デッドボルトを引
っ込ませることはできず、結局その不正解錠は無効とな
る。Therefore, even if the cylinder lock is unlocked by picking, the deadbolt cannot be retracted, and the unlocking becomes invalid after all.
【００３０】扉の主な錠が電気錠の場合、電気錠は比較
的ピッキングが困難であると信じられているが、電気錠
は一般に停電や電池の消耗に備えて機械的なシリンダ錠
が併設されているから、ピッキングに対する安全性はシ
リンダ錠と変るところはないので、電気錠においても本
発明による安全装置は有用である。When the main lock of the door is an electric lock, it is believed that the electric lock is relatively difficult to pick, but the electric lock is generally provided with a mechanical cylinder lock in case of power failure or battery consumption. Therefore, the safety against picking is the same as that of a cylinder lock, and the safety device according to the present invention is useful for an electric lock.
【００３１】一方、家人が帰ってきて図２に示すように
合鍵１９をシリンダ錠１２の鍵孔に挿入すると、合鍵１
９の先端が作動ピン１７を内方に押込むので、その他端
（内端）が付勢ばねの弾力に抗してサムターン軸５を室
内側に押動し、サムターン案内軸２の係止凹部４とサム
ターン軸の係合突起１３との係合を解き、テールピース
１６を図４で時計方向に回動させる。On the other hand, when the family member returns and inserts the duplicate key 19 into the keyhole of the cylinder lock 12 as shown in FIG.
9 pushes the operating pin 17 inward, so that the other end (inner end) pushes the thumb-turn shaft 5 inwardly of the room against the elasticity of the biasing spring, and the locking recess of the thumb-turn guide shaft 2 4 and the engagement protrusion 13 of the thumb turn shaft is released, and the tail piece 16 is rotated clockwise in FIG.
【００３２】この場合、図示の実施例では、作動ピン１
７の他端は連結片７の中心ではなく図３において中心よ
り少し上を押動するが、基本的な作動には影響が無い。In this case, in the illustrated embodiment, the operating pin 1
The other end of 7 pushes slightly above the center of FIG. 3 instead of the center of the connecting piece 7, but does not affect the basic operation.
【００３３】すると、ダルマ軸９は自由になるから、テ
ールピース１６、ダルマ軸９及びサムターン軸５は円周
方向には一体に結合された状態で解錠方向に回動してデ
ッドボルトが錠箱内に引っ込む。Then, since the Dharma shaft 9 becomes free, the tail piece 16, the Dharma shaft 9 and the thumb-turn shaft 5 are rotated in the unlocking direction while being integrally connected in the circumferential direction, and the dead bolt is locked. Retract into the box.
【００３４】図示の実施例では９０度回し戻して合鍵を
引き抜くから、係止凹部４と係合突起１３とは付勢ばね
１１の弾力により再び係合する。In the illustrated embodiment, since the key is pulled out by turning it 90 degrees back, the engaging recess 4 and the engaging projection 13 are engaged again by the elastic force of the urging spring 11.
【００３５】これに対し、合鍵を解錠方向に１８０度回
してその角度位置で合鍵を抜く場合には、係合突起１３
は係止凹部４から１８０度離れた角度位置でサムターン
案内筒２の室内側端面に乗り上がる。On the other hand, when the duplicate key is turned 180 degrees in the unlocking direction and the duplicate key is removed at that angular position, the engagement projection 13
Rides on the indoor side end surface of the thumb-turn guide cylinder 2 at an angle position 180 degrees away from the locking recess 4.
【００３６】外出の為施錠するときには、やはり合鍵を
鍵孔に挿入するから、サムターン軸５とサムターン案内
筒２との係合が解かれ、施錠操作に悪影響が出ることは
ない。When locking for going out, since the duplicate key is also inserted into the keyhole, the engagement between the thumb turn shaft 5 and the thumb turn guide cylinder 2 is released, so that the locking operation is not adversely affected.
【００３７】なお、解錠後室内側からサムターンを操作
して施錠するときには、摘み１４を少し引いて係止凹部
４と係合突起１３との係合を解き、しかる後サムターン
軸５を施錠方向に回す。When unlocking by operating the thumb turn from inside the room after unlocking, the knob 14 is slightly pulled to release the engagement between the locking recess 4 and the engaging projection 13 and then the thumb turn shaft 5 is turned in the locking direction. Turn to.
【００３８】なお、本発明を実施するにあたり図示の実
施例に限定されることなく、種々に変形して実施するこ
とが可能である。In carrying out the present invention, the present invention is not limited to the illustrated embodiment, but can be implemented in various modifications.
【００３９】例えば、図示の実施例では係合突起１３を
サムターン軸５に、係止凹部４をサムターン案内筒２に
形成するものとしたが、これは部材の形状を変更して逆
に設置することができる。For example, in the illustrated embodiment, the engaging projection 13 is formed on the thumb-turn shaft 5 and the locking recess 4 is formed on the thumb-turn guide cylinder 2. However, this is reversed by changing the shape of the member. be able to.
【００４０】また、図示の実施例におけるシリンダー錠
は所謂レバータンブラー錠であるが、この発明はレバー
タンブラー錠に限定されることなく、ディスクタンブラ
ー錠、ピンタンブラー錠或いは磁石タンブラー錠に適用
できる。Although the cylinder lock in the illustrated embodiment is a so-called lever tumbler lock, the present invention is not limited to the lever tumbler lock, but can be applied to a disk tumbler lock, a pin tumbler lock or a magnet tumbler lock.
【００４１】[0041]
【発明の効果】以上の説明から明らかなように、本発明
は、施錠時係合突起と係止凹部との係合によりサムター
ン軸を固定するようにし、合鍵の鍵孔への挿入時その先
端により作動ピンを介してこれらの係合を解くようにし
たので、ピッキングによりシリンダ錠を解錠してもデッ
ドボルトを引っ込ませることができず、したがってピッ
キングを無効にして錠前の安全性を格段に向上させるこ
とができる、という効果を奏する。As is apparent from the above description, according to the present invention, the thumb turn shaft is fixed by the engagement of the engaging projection and the locking concave portion at the time of locking, and the tip of the double key is inserted at the time of insertion into the keyhole. As a result, these engagements are released via the operating pin, so that even if the cylinder lock is unlocked by picking, the deadbolt cannot be retracted, and therefore, the picking is invalidated and the safety of the lock is markedly improved. This has the effect of being able to be improved.
【図１】本発明の一実施例による安全装置の要部を示す
一部断面側面図で施錠状態を示す。FIG. 1 is a partially sectional side view showing a main part of a safety device according to an embodiment of the present invention, showing a locked state.
【図２】本発明の一実施例による安全装置の要部を示す
一部断面側面図でシリンダ錠の鍵孔に合鍵を挿入した状
態を示す。FIG. 2 is a partial cross-sectional side view showing a main part of a safety device according to an embodiment of the present invention, showing a state in which a duplicate key is inserted into a keyhole of a cylinder lock.
【図３】図１のＩＩＩ−ＩＩＩ線による拡大一部断面
図。FIG. 3 is an enlarged partial sectional view taken along line III-III in FIG.
【図４】図２のＩＶ−ＩＶ線による拡大一部断面図。FIG. 4 is an enlarged partial cross-sectional view taken along line IV-IV of FIG. 2;
【図５】テールピースの拡大端面図。FIG. 5 is an enlarged end view of the tailpiece.
２ サムターン案内筒 ４ 係止凹部 ５ サムターン軸 ７ 連結片 ８ クラッチ孔 ９ ダルマ軸 １１ 付勢ばね １２ シリンダー錠 １３ 係合突起 １６ テールピース １７ 作動ピン １８ 鍵孔 １９ 合鍵 2 Thumb turn guide cylinder 4 Locking recess 5 Thumb turn shaft 7 Connecting piece 8 Clutch hole 9 Dharma shaft 11 Energizing spring 12 Cylinder lock 13 Engagement protrusion 16 Tailpiece 17 Operating pin 18 Keyhole 19 Double key
Claims (1)
方向に移動可能に案内され、シリンダー錠に近接する方
向に付勢されたサムターン軸、及び上記サムターン案内
筒の一方に係合突起を、他方にこの係合突起と係合して
その円周方向の移動を阻止する係止凹部を夫々形成し、
一方、シリンダー錠の鍵孔内端部に、内側から、作動ピ
ンの一端部を長さ方向に移動可能に挿入すると共に、作
動ピンの他端をサムターン軸の内端に臨ませ、施錠時、
係合突起と係合凹部とを係合させてサムターン軸が回動
しないようにし、解錠時、合鍵の先端により作動ピンを
サムターン軸方向に押出し、その係合突起を係止凹部か
ら抜き外すようにしたことを特徴とする安全装置。1. A thumb turn shaft rotatably and longitudinally guided by a thumb turn guide cylinder and urged in a direction approaching a cylinder lock, and an engagement projection on one of the thumb turn guide cylinders. On the other hand, a locking concave portion is formed on the other side to engage with the engaging protrusion and prevent its movement in the circumferential direction.
On the other hand, one end of the operating pin is inserted movably in the length direction from the inside into the inner end of the keyhole of the cylinder lock, and the other end of the operating pin faces the inner end of the thumb turn shaft.
Engage the engagement projection with the engagement recess to prevent the thumb-turn shaft from rotating, and when unlocking, push out the operating pin with the tip of the duplicate key in the axial direction of the thumb-turn, and remove the engagement protrusion from the engagement recess. A safety device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37144398A JP4202501B2 (en) | 1998-12-25 | 1998-12-25 | Safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37144398A JP4202501B2 (en) | 1998-12-25 | 1998-12-25 | Safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000192697A true JP2000192697A (en) | 2000-07-11 |
| JP4202501B2 JP4202501B2 (en) | 2008-12-24 |
Family
ID=18498725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP37144398A Expired - Fee Related JP4202501B2 (en) | 1998-12-25 | 1998-12-25 | Safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4202501B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006046052A (en) * | 2004-07-09 | 2006-02-16 | Goal Co Ltd | Thumb turn device |
| JP2006057244A (en) * | 2004-08-17 | 2006-03-02 | Nishi Seisakusho:Kk | Lock |
| JP2006322243A (en) * | 2005-05-19 | 2006-11-30 | Hori Lock Kogyo Kk | Lock device |
-
1998
- 1998-12-25 JP JP37144398A patent/JP4202501B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006046052A (en) * | 2004-07-09 | 2006-02-16 | Goal Co Ltd | Thumb turn device |
| JP2006057244A (en) * | 2004-08-17 | 2006-03-02 | Nishi Seisakusho:Kk | Lock |
| JP4514204B2 (en) * | 2004-08-17 | 2010-07-28 | 株式会社ＷＥＳＴ ｉｎｘ | lock |
| JP2006322243A (en) * | 2005-05-19 | 2006-11-30 | Hori Lock Kogyo Kk | Lock device |
| JP4636502B2 (en) * | 2005-05-19 | 2011-02-23 | 堀ロック工業株式会社 | Locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4202501B2 (en) | 2008-12-24 |
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