JP4631693B2 - Cylinder lock and cylinder lock cover - Google Patents
Cylinder lock and cylinder lock cover Download PDFInfo
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- JP4631693B2 JP4631693B2 JP2005363045A JP2005363045A JP4631693B2 JP 4631693 B2 JP4631693 B2 JP 4631693B2 JP 2005363045 A JP2005363045 A JP 2005363045A JP 2005363045 A JP2005363045 A JP 2005363045A JP 4631693 B2 JP4631693 B2 JP 4631693B2
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Description
本発明は、例えば住宅の玄関ドアなどで施解錠を確認できるシリンダー錠及びシリンダー錠カバーに関するものである。 The present invention relates to a cylinder lock and a cylinder lock cover capable of confirming locking / unlocking at a front door of a house, for example.
従来、玄関ドアなどの施解錠の確認手段を有するシリンダー錠として、トイレ用ドアなどのように、屋内側では鍵孔近傍に施解錠状態表示部を設けて目視で確認可能としたものが普及しており、例えば特許文献１のように、鍵を鍵孔に差し込んで施錠操作をしたときに、鍵孔側の施錠状態を示す物理信号を鍵側に受信させて鍵側で確認できるようにしたものが開示されている。
ところが上記した従来のシリンダー錠では、屋外側に屋内側と同様の確認表示部を設
けるものであるため、他入が容易に施解錠状態を視認できるので防犯上好ましくなく、一方鍵側に物理信号を受信させて施解錠状態を確認するものでは、鍵孔だけでなく鍵の構造も複雑になってしまうといった問題があった。
However, the conventional cylinder lock described above is provided with a confirmation display portion on the outdoor side similar to that on the indoor side. However, there is a problem that not only the keyhole but also the key structure becomes complicated.
本発明は、構造が簡単であり且つ常時は部外者から施解錠の識別ができない防犯効果の高いシリンダー錠及びシリンダー錠カバーを提供することを目的とする。 An object of the present invention is to provide a cylinder lock and a cylinder lock cover that have a simple structure and that are normally capable of discriminating locking and unlocking from outsiders and that have a high crime prevention effect.
請求項１に記載の発明によるシリンダー錠は、鍵孔を有するシリンダー部と、シリンダー部を保持するシリンダーホルダーと、表示プレートと、表示部とを備え、シリンダー部は、鍵孔に鍵を差して時計回り方向及び反時計回り方向のいずれかに回したときに施錠又は解錠し、施錠位置と解錠位置との間に鍵の抜き取り位置が設けてあり、表示プレートは、施錠状態及び解錠状態のうちの少なくとも一方の状態であることを示す状態表示部と、施錠状態及び解錠状態以外であることを示す他の状態表示部とが屋外側面に設けてあり、鍵孔に挿した鍵を施錠操作または解錠操作したときに、シリンダー部の回動に連動して回転するようにシリンダーホルダーに取り付けてあり、表示部は、カバーに設けてあり、表示プレートの屋外側面の一部を屋外側に表示するとともに、鍵の抜き取り位置で表示プレートの他の状態表示部を表示することを特徴とする。 Cylinder lock according to the invention of claim 1 includes a cylinder portion having a key hole, and a cylinder holder for holding a cylinder unit, and a display plate, a display unit, the cylinder unit, pointing the key to keyhole Locked or unlocked when turned clockwise or counterclockwise, and a key removal position is provided between the locked position and unlocked position. The display plate is locked and unlocked. A key that is inserted into the keyhole, provided on the outdoor side surface with a state display unit that indicates that the state is at least one of the states and another state display unit that indicates other than the locked state and the unlocked state. when locking operation or unlocking operation, and is attached to the cylinder holder to rotate in conjunction with the rotation of the cylinder portion, the display portion, is provided with the cover, a portion of the outdoor side surface of the display plate And displays on the outside, and displaying other status display portion of the display plate sampling position of the key.
請求項２に記載の発明によるシリンダー錠カバーは、鍵孔に鍵を差して時計回り方向及び反時計回り方向のいずれかに回したときに施錠又は解錠し、施錠位置と解錠位置との間に鍵の抜き取り位置が設けてあるシリンダー錠本体に取り付けるカバーと、表示プレートと、表示部とを備え、カバーは、シリンダー錠本体屋外側を覆う状態でシリンダー錠本体に脱着自在であり、シリンダー錠本体の鍵孔と一致する箇所に鍵挿通孔を有し、表示プレートは、カバー内に配置されるとともに、施錠状態及び解錠状態のうちの少なくとも一方の状態であることを示す状態表示部と、施錠状態及び解錠状態以外であることを示す他の状態表示部とが屋外側面に設けてあり、鍵孔に挿した鍵を施錠操作または解錠操作したときに、シリンダー部の回動に連動して回転するようにシリンダー錠本体に取り付けてあり、表示部は、カバーに設けてあり、表示プレートの屋外側面の一部を屋外側に表示するとともに、鍵の抜き取り位置で表示プレートの他の状態表示部を表示することを特徴とする。
The cylinder lock cover according to the invention described in claim 2 is locked or unlocked when a key is inserted into the keyhole and rotated in either the clockwise direction or the counterclockwise direction. A cover to be attached to the cylinder lock body with a key extraction position in between, a display plate, and a display section are provided, and the cover is detachable from the cylinder lock body in a state of covering the outside of the cylinder lock body. A state display unit that has a key insertion hole at a position that coincides with the key hole of the lock body, and the display plate is disposed in the cover and indicates at least one of a locked state and an unlocked state. And other state display parts indicating that the state other than the locked state and the unlocked state is provided on the outdoor side surface, and when the key inserted in the keyhole is operated for locking or unlocking, the cylinder portion is rotated. Ream And is attached to the cylinder lock body to rotate the display unit is provided with a cover, of the display plates a part of the outdoor side and displays on the weather side, the other of the display plate sampling position of the key A status display part is displayed.
本発明の請求項１に係わるシリンダー錠において、鍵を操作したときに施錠したのか、解錠したのかを目視で確認できるので、一々扉の開閉操作をし直して施錠状態を確認する必要がなく、且つ鍵を抜いたときは表示プレートにおける施解錠状態以外の他の状態表示部を表示部で表示することから、シリンダー錠の施解錠状態を外部から知られることがなく、防犯上も好ましい効果が得られる。鍵側に表示機構等を付加する必要が無いので、従来のこの種の施解錠の確認手段を有したシリンダー錠と比較して構造が簡単となる。
In the cylinder lock according to claim 1 of the present invention, it can be visually confirmed whether the key is locked or unlocked, so there is no need to re-open and close the door and check the locked state. In addition, when the key is pulled out, the status display part other than the locked / unlocked state on the display plate is displayed on the display part, so that the locked / unlocked state of the cylinder lock is not known from the outside, and it is also advantageous in terms of crime prevention. Is obtained. Since there is no need to add a display mechanism or the like on the key side, the structure is simple compared to a conventional cylinder lock having this type of locking / unlocking confirmation means.
本発明の請求項２に係わるシリンダー錠カバーにおいて、施解錠の識別機能を有するカバーを識別機能を持たないシリンダー錠に取り付けて、簡単に識別機能をもたせることができる。 In the cylinder lock cover according to claim 2 of the present invention, the cover having the identification function of locking / unlocking can be attached to the cylinder lock without the identification function to easily provide the identification function.
以下、本発明の第一実施形態を図面に基づいて説明する。 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
図１について、（Ａ１)は第一実施形態のシリンダー錠１の屋外側部分の正面図であり、（Ａ２)は屋外側部分の側面図であり、（Ｂ１)は屋外側カバー５を取り外した屋外側部分の正面図であり、（Ｂ２)は屋外側カバー５を取り外した屋外側部分の側面図である。図２については、図１に示したシリンダー錠１の表示部３の表示に関する説明図であり、（Ａ）は鍵孔２が鍵の抜き取り位置にある時の表示であり、（Ｂ)は施錠操作完了時の表示であり、（Ｃ)は解錠操作完了時の表示である。 1, (A1) is a front view of the outdoor side portion of the cylinder lock 1 of the first embodiment, (A2) is a side view of the outdoor side portion, and (B1) is the outdoor side cover 5 removed. It is a front view of an outdoor side part, (B2) is a side view of the outdoor side part which removed the outdoor side cover 5. FIG. 2 is an explanatory diagram relating to the display of the display unit 3 of the cylinder lock 1 shown in FIG. 1, wherein (A) is a display when the key hole 2 is in the key removal position, and (B) is a lock. This is a display when the operation is completed, and (C) is a display when the unlocking operation is completed.
本発明のシリンダー錠１の屋外側部分は図１に示す通り、鍵孔２を有するシリンダー部４、シリンダー部４を支持するシリンダーホルダー６及びシリンダーホルダー６の屋外側部分に固定した屋外側カバー５を備えており、屋外側カバー５には鍵孔２の近傍で屋内外方向を貫通する小孔を表示部(表示孔)３として設けてある。また、シリンダーホルダー６の屋外側で、屋外側カバー５に覆われた空間内にはシリンダー部４の回動に連動して回転する表示プレート７を取り付けてあり、屋外側カバー５に設けた表示部３を通して表示プレート７の屋外側面の部分を視認可能となっている。 As shown in FIG. 1, the outdoor side portion of the cylinder lock 1 of the present invention includes a cylinder portion 4 having a key hole 2, a cylinder holder 6 that supports the cylinder portion 4, and an outdoor side cover 5 that is fixed to the outdoor side portion of the cylinder holder 6. The outdoor cover 5 is provided with a small hole penetrating the indoor and outdoor directions in the vicinity of the key hole 2 as a display portion (display hole) 3. In addition, a display plate 7 that rotates in conjunction with the rotation of the cylinder portion 4 is attached in the space covered with the outdoor side cover 5 on the outdoor side of the cylinder holder 6, and the display provided on the outdoor side cover 5. The portion of the outdoor side surface of the display plate 7 can be viewed through the portion 3.
表示プレート７の屋外側面には図１(Ｂ１)に示すように、白色部７ａ、赤色部７ｂ、青色部７ｃを設けてある。図２（Ａ）に示すように鍵孔２が錠の抜き取り位置にあって錠を抜き差しできる状態になっているときは、表示部３に表示プレート７の白色部７ａが見えており、施錠されているか解錠されているかはわからない。図２（Ｂ）に示すように鍵孔２を時計回り方向に回動して施錠操作を行ったときは、鍵孔２にシリンダー部４が連動して回動し、同時に表示プレート７も時計回り方向に回動するので、表示部３に表示プレート７の赤色部７ｂが見えて施錠操作を行ったことを確認することができる。図２（Ｃ）に示すように、鍵孔２を反時計回り方向に回動して解錠操作を行ったときは、鍵孔２にシリンダー部４が連動して回動し、同時に表示プレート７も反時計回り方向に回動するので、表示部３に表示プレート７の青色部７ｃが見えて解錠操作を行ったことを確認することができる。以上の施錠確認あるいは解錠確認後、鍵を抜き取り位置に戻せば、表示部３の表示は白色となり、部外者が見ても施錠してあるのか解錠してあるのかは識別できない状態となっている。 As shown in FIG. 1 (B1), a white portion 7a, a red portion 7b, and a blue portion 7c are provided on the outdoor side surface of the display plate 7. As shown in FIG. 2A, when the key hole 2 is in the lock removal position and the lock can be inserted and removed, the white portion 7a of the display plate 7 is visible on the display unit 3 and is locked. I do not know if it is unlocked or unlocked. As shown in FIG. 2B, when the locking operation is performed by rotating the key hole 2 in the clockwise direction, the cylinder portion 4 rotates in conjunction with the key hole 2, and at the same time, the display plate 7 also rotates in the clockwise direction. Since it rotates in the turning direction, it can be confirmed that the red portion 7b of the display plate 7 is visible on the display unit 3 and the locking operation has been performed. As shown in FIG. 2C, when the unlocking operation is performed by rotating the key hole 2 counterclockwise, the cylinder portion 4 is rotated in conjunction with the key hole 2 and simultaneously the display plate. 7 also rotates counterclockwise, so that the blue portion 7c of the display plate 7 can be seen on the display unit 3 and it can be confirmed that the unlocking operation has been performed. After the above lock confirmation or unlock confirmation, if the key is returned to the removal position, the display on the display unit 3 becomes white, and it is not possible to identify whether it is locked or unlocked even by an outsider. It has become.
図３について、（Ａ１)は第二実施形態のシリンダー錠の屋外側部分の正面図であり、（Ａ２)は屋外側部分の側面図であり、（Ｂ１)は屋外側カバーを取り外した屋外側部分の正面図であり、（Ｂ２)は屋外側カバーを取り外した屋外側部分の側面図である。図４については、図３に示したシリンダー錠の表示部の表示に関する説明図であり、（Ａ）は鍵孔が鍵の抜き取り位置にあるときの表示であり、（Ｂ)は施錠操作完了時の表示であり、（Ｃ)は解錠操作完了時の表示である。 3, (A1) is a front view of the outdoor side portion of the cylinder lock of the second embodiment, (A2) is a side view of the outdoor side portion, and (B1) is the outdoor side with the outdoor side cover removed. It is a front view of a part, (B2) is a side view of the outdoor side part which removed the outdoor side cover. 4A and 4B are explanatory diagrams relating to the display of the display part of the cylinder lock shown in FIG. 3, wherein FIG. 4A is a display when the keyhole is in the key extraction position, and FIG. (C) is a display upon completion of the unlocking operation.
本シリンダー錠は、図３（Ａ１）及び図３（Ａ２）のように、屋外側カバー１２やシリンダーホルダー１３などが第一実施形態のものと構成を略同一とすることから、ここでは相違する箇所のみを説明する。本実施によるシリンダー錠８は図３（Ｂ１）に示すように、表示プレート１４の屋外面側に白色部１４ａと赤色部１４ｂとを設けてある。鍵孔９が錠の抜き取り位置にあり且つ錠を抜き差しできるときは、図４（Ａ）に示すように、表示部１０に表示プレート１４の白色部１４ａが見えており、このため現在鍵が施錠してあるのか解錠してあるのかがわからない。鍵孔９を時計回り方向に回動して施錠操作を行ったときは、図４(Ｂ)に示すように、鍵孔９にシリンダー部１１が連動して回動し、同時にシリンダー部１１の外周全周に亘って取り付けられた表示プレート１４も時計回り方向に回動するので、表示部１０に表示プレート１４の赤色部１４ｂが見えるようになり、施錠操作を行ったことを確認することができる。一方で図４（Ｃ）に示すように、鍵孔９を反時計回り方向に回動して解錠操作を行ったときは、鍵孔９にシリンダー部１１が連動して回動し、同時に表示プレート１４も反時計回り方向に回動するが、このときは表示部３に表示プレート７の白色部１４ａを表示し続ける。施錠確認あるいは解錠確認後、鍵を抜き取り位置に戻せば、第１実施形態のものと同様に表示部１０の表示は白色部１４ａを示し、部外者が見ても施錠してあるのか解錠してあるのかは一切識別のできない状態となっている。
尚、本実施形態では施錠操作を行った場合のみに赤色部１４ｂを表示するものであるが、例えば、解錠操作をしたときにのみ表示部１０に青色部を表示するようなものであってもよい。
As shown in FIGS. 3A1 and 3A2, the cylinder lock is different here because the outdoor cover 12 and the cylinder holder 13 have substantially the same configuration as that of the first embodiment. Only the part is explained. As shown in FIG. 3 (B1), the cylinder lock 8 according to the present embodiment is provided with a white portion 14a and a red portion 14b on the outdoor surface side of the display plate 14. When the key hole 9 is in the lock extraction position and the lock can be inserted and removed, as shown in FIG. 4A, the white portion 14a of the display plate 14 is visible on the display unit 10, and thus the current key is locked. I do n’t know if it ’s unlocked or unlocked. When the locking operation is performed by rotating the key hole 9 in the clockwise direction, as shown in FIG. 4 (B), the cylinder portion 11 is rotated in conjunction with the key hole 9, and at the same time, Since the display plate 14 attached over the entire outer periphery also rotates in the clockwise direction, the red portion 14b of the display plate 14 can be seen on the display unit 10, and it can be confirmed that the locking operation has been performed. it can. On the other hand, as shown in FIG. 4C, when the unlocking operation is performed by rotating the key hole 9 counterclockwise, the cylinder portion 11 rotates in conjunction with the key hole 9, and at the same time The display plate 14 also rotates counterclockwise. At this time, the white portion 14 a of the display plate 7 is continuously displayed on the display unit 3. After confirming locking or unlocking, if the key is returned to the removal position, the display on the display unit 10 shows the white portion 14a as in the first embodiment, and it is unlocked whether the locker is locked even when viewed by an outsider. Whether it is locked or not cannot be identified at all.
In this embodiment, the red portion 14b is displayed only when the locking operation is performed. For example, the blue portion is displayed on the display unit 10 only when the unlocking operation is performed. Also good.
図５は、本発明の第三実施形態のシリンダー錠１５であり、（Ａ１)はカバー１６を取り外したシリンダー錠１５の屋外側部分の正面図であり、（Ａ２)は（Ａ１）の側面図であり、（Ｂ１)は本シリンダー錠１５から取り外したカバー１６の正面図であり、（Ｂ２)はカバー１６の側面図であり、（Ｂ３）はカバー１６の縦断面図であり、（Ｃ１）は本シリンダー錠１５の正面図であり、（Ｃ２）は（Ｃ１）の側面図である。 FIG. 5 is a cylinder lock 15 according to a third embodiment of the present invention, in which (A1) is a front view of an outdoor side portion of the cylinder lock 15 with the cover 16 removed, and (A2) is a side view of (A1). (B1) is a front view of the cover 16 removed from the cylinder lock 15, (B2) is a side view of the cover 16, (B3) is a longitudinal sectional view of the cover 16, and (C1) Is a front view of the cylinder lock 15, and (C2) is a side view of (C1).
第３実施形態のシリンダー錠１５は、図５（Ｃ１）及び図５（Ｃ２）のように、本発明の第１実施形態及び第２実施形態と相違する構成として、シリンダーホルダー２１の屋外側カバー２０に取り付けるカバー１６を備えている。カバー１６は図５（Ｂ１）及び図５（Ｂ２）のように全体が略半球状のドーム型をなし、屋外側の上部には表示部１８、中央には貫通孔２５をそれぞれ有している。一方屋内側には図５（Ｂ３）のように、シリンダー錠本体１５ａの屋外側カバー２０と弾性的に嵌合する凹部２４を設け、カバー１６の屋外側カバー２０からの脱着が自在となっており、例えばシリンダー錠本体１５ａからカバー１６のみを取り出すこともできるので、メンテナンスなどが容易に行える。貫通孔２５には表示プレート２３の鍵挿通孔２２が位置する。貫通孔２５と凹部２４の間には表示プレート２３の格納空間部２６を設けており、格納空間部２６に納めた表示プレート２３は図５（Ｃ１）のように、鍵挿通孔２２を鍵孔１７と一致する位置を中心として、水平方向の軸を中心に回転自在となっている。カバー１６を屋外側カバー２０に取り付けたとき、表示プレート２３の鍵挿通孔２２は図５（Ｃ１）及び図５（Ｃ２）のように、シリンダー部１９の鍵孔１７と一致し、これにより鍵挿通孔２２に鍵を差し込んで施錠方向及び解錠方向に操作することで、表示プレート２３がシリンダー部１９に連動して回転し、表示部１８に施解したこと又は解錠したことのいずれかを表示する。
尚、本実施形態の表示プレート２３については、第１実施形態及び第２実施形態で開示した表示プレート１４，２３はもちろん、その他施解錠を識別できる表示手段を適用してもよい。カバー１６の凹部２４は、屋外側カバー２０やシリンダーホルダー２１などにしっかりと取り付けられるものであれば特に形態を限定するものではない。カバー１６は、カバー単体で提供することもできる。
As shown in FIGS. 5 (C1) and 5 (C2), the cylinder lock 15 of the third embodiment is configured differently from the first embodiment and the second embodiment of the present invention. The cover 16 attached to 20 is provided. As shown in FIGS. 5 (B1) and 5 (B2), the cover 16 has a generally hemispherical dome shape, and has a display portion 18 in the upper part on the outdoor side and a through hole 25 in the center. . On the other hand, as shown in FIG. 5 (B3), the indoor side is provided with a recess 24 that is elastically fitted to the outdoor side cover 20 of the cylinder lock body 15a, so that the cover 16 can be freely detached from the outdoor side cover 20. For example, since only the cover 16 can be taken out from the cylinder lock body 15a, maintenance and the like can be easily performed. The key insertion hole 22 of the display plate 23 is located in the through hole 25. A storage space portion 26 of the display plate 23 is provided between the through hole 25 and the recess 24, and the display plate 23 stored in the storage space portion 26 has the key insertion hole 22 as a key hole as shown in FIG. Centered on a position that coincides with 17, it is rotatable about a horizontal axis. When the cover 16 is attached to the outdoor side cover 20, the key insertion hole 22 of the display plate 23 coincides with the key hole 17 of the cylinder part 19 as shown in FIGS. 5 (C1) and 5 (C2). By inserting a key into the insertion hole 22 and operating in the locking direction and the unlocking direction, the display plate 23 rotates in conjunction with the cylinder part 19 and either the display part 18 is unlocked or unlocked. indicate.
In addition, about the display plate 23 of this embodiment, you may apply the display means which can identify locking / unlocking other than the display plates 14 and 23 disclosed by 1st Embodiment and 2nd Embodiment. The shape of the concave portion 24 of the cover 16 is not particularly limited as long as it can be firmly attached to the outdoor side cover 20, the cylinder holder 21, or the like. The cover 16 can be provided as a single cover.
１，８，１５ シリンダー錠
２，９，１７ 鍵孔
３，１０，１８ 表示部
５ 屋外側カバー
７ 表示プレート
１６ カバー
２２ 鍵挿通孔
1,8,15 Cylinder lock 2,9,17 Keyhole 3,10,18 Display
5 Outdoor cover
7 Display plate 16 Cover 22 Key insertion hole
Claims (2)
Cylinder lock body that is locked or unlocked when a key is inserted into the keyhole and rotated in either the clockwise or counterclockwise direction, and a key removal position is provided between the locked position and the unlocked position The cover is attachable to the cylinder lock body in a state of covering the outside of the cylinder lock body, and the key insertion hole is located at a position coincident with the key hole of the cylinder lock body. The display plate is disposed in the cover and has a state display portion indicating that it is in at least one of a locked state and an unlocked state, and a state other than the locked state and the unlocked state. The other status indicator shown is provided on the outdoor side, and when the key inserted in the keyhole is locked or unlocked, it is attached to the cylinder lock body so that it rotates in conjunction with the rotation of the cylinder. The The display portion is provided on the cover, and displays a part of the outdoor side surface of the display plate on the outdoor side, and displays another state display portion of the display plate at the key removal position. Lock cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005363045A JP4631693B2 (en) | 2005-06-10 | 2005-12-16 | Cylinder lock and cylinder lock cover |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005170954 | 2005-06-10 | ||
| JP2005363045A JP4631693B2 (en) | 2005-06-10 | 2005-12-16 | Cylinder lock and cylinder lock cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007016579A JP2007016579A (en) | 2007-01-25 |
| JP4631693B2 true JP4631693B2 (en) | 2011-02-16 |
Family
ID=37753972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005363045A Expired - Fee Related JP4631693B2 (en) | 2005-06-10 | 2005-12-16 | Cylinder lock and cylinder lock cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4631693B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5018390B2 (en) * | 2007-10-12 | 2012-09-05 | オムロン株式会社 | Variable cylinder lock |
| JP4530295B2 (en) * | 2008-03-07 | 2010-08-25 | タキゲン製造株式会社 | Key code conversion cylinder lock |
| WO2015154122A1 (en) * | 2014-04-10 | 2015-10-15 | Gainsborough Hardware Industries Limited | A lock assembly and a method of operating same |
| CN106760961B (en) * | 2016-08-14 | 2024-02-09 | 颜群 | Lock head capable of preventing external force impact and with fixed lock core |
| CN114263391B (en) * | 2021-12-15 | 2023-03-24 | 珠海优特电力科技股份有限公司 | Lock core |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470796U (en) * | 1977-10-26 | 1979-05-19 | ||
| JPH11193655A (en) * | 1997-12-29 | 1999-07-21 | Miwa Lock Co Ltd | Lock/unlock indicator for cylinder lock |
-
2005
- 2005-12-16 JP JP2005363045A patent/JP4631693B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470796U (en) * | 1977-10-26 | 1979-05-19 | ||
| JPH11193655A (en) * | 1997-12-29 | 1999-07-21 | Miwa Lock Co Ltd | Lock/unlock indicator for cylinder lock |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007016579A (en) | 2007-01-25 |
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