【図面の簡単な説明】[Brief explanation of the drawing]
第１図は本考案の一実施例に係る折畳み型鍵の
斜視図、第２図は第１図に示した鍵の分解状態の
正面図、第３図は第１図に示した鍵の平面図、第
４図と第５図は摘み部逆方向に９０度回転させた
ときの平面図である。第６図は本考案の別の実施
例に係る折畳み型鍵の要部拡大断面図である。第
７図は本考案の更に別の実施例に係る折畳み型鍵
の斜視図、第８図は第７図に示した鍵の一部分解
斜視図である。第９図は本考案の他の実施例に係
る折畳み型鍵の正面図である。第１０図は本考案
の更に他の実施例に係る折畳み型鍵の正面図、第
１１図は第１０図に示した鍵の一部分解斜視図で
ある。第１２図は第７図に示した実施例の筒部の
上端面を傘歯車状にした場合における筒部の平面
図、第１３図は第１２図に示した筒部の斜視図、
第１４図は第１２図に示した筒部の正面図である
。第１５図は第７図に示した実施例において筒部
の上端面を非対称形にした場合の筒部と短円柱の
接触状態を示す右側面図である。第１６図は本考
案の別の実施例に係る折畳み型鍵の斜視図である
。第１７図は本考案の他の実施例に係る折畳み型
鍵の正面図、第１８図は本考案の更に他の実施例
に係る折畳み型鍵の斜視図である。
１……鍵本体、２……摘み部、３……筒部、４
ａ，４ｂ，４ｃ……小溝、５……板バネ、６ａ，
６ｂ……短円柱、７……突子、８……円環部、９
……突起、１０……長孔、１１……小孔、１２…
…軸棒。
Fig. 1 is a perspective view of a folding key according to an embodiment of the present invention, Fig. 2 is a front view of the key shown in Fig. 1 in an exploded state, and Fig. 3 is a plane view of the key shown in Fig. 1. 4 and 5 are plan views when the knob is rotated 90 degrees in the opposite direction. FIG. 6 is an enlarged sectional view of a main part of a folding key according to another embodiment of the present invention. FIG. 7 is a perspective view of a foldable key according to yet another embodiment of the present invention, and FIG. 8 is a partially exploded perspective view of the key shown in FIG. 7. FIG. 9 is a front view of a foldable key according to another embodiment of the present invention. FIG. 10 is a front view of a foldable key according to still another embodiment of the present invention, and FIG. 11 is a partially exploded perspective view of the key shown in FIG. 10. 12 is a plan view of the cylindrical portion of the embodiment shown in FIG. 7 when the upper end surface of the cylindrical portion is shaped like a bevel gear; FIG. 13 is a perspective view of the cylindrical portion shown in FIG. 12;
FIG. 14 is a front view of the cylindrical portion shown in FIG. 12. FIG. 15 is a right side view showing the state of contact between the cylindrical portion and the short cylinder when the upper end surface of the cylindrical portion is made asymmetrical in the embodiment shown in FIG. 7. FIG. 16 is a perspective view of a foldable key according to another embodiment of the present invention. FIG. 17 is a front view of a foldable key according to another embodiment of the present invention, and FIG. 18 is a perspective view of a foldable key according to still another embodiment of the present invention. 1...Key body, 2...Knob part, 3...Cylinder part, 4
a, 4b, 4c...small groove, 5...plate spring, 6a,
6b... Short cylinder, 7... Protrusion, 8... Annular part, 9
...Protrusion, 10...Long hole, 11...Small hole, 12...
...Axle rod.