JPH0352409U

JPH0352409U -

Info

Publication number: JPH0352409U
Application number: JP11343889U
Authority: JP
Priority date: 1989-09-29
Filing date: 1989-09-29
Publication date: 1991-05-21

Description

[Brief explanation of drawings]

第１図乃至第５図は本考案の一実施例を示し、
第１図はレールの平面図、第２図はホルダーの横
断面図、第３図はプランジヤーの解除つまみをロ
ツカーで係止した状態を示す断面図、第４図はレ
ールをホルダーにロツクした状態を示す説明図、
第５図は第４図のＶ矢視図、第６図は放射線治療
装置に設置した従来のプランジヤーロツク装置を
示す斜視図、第７図はホルダーにレールを組付け
るときの説明図、第８図はホルダーからレールを
取外すときの説明図である。１…被取付体としてのレール、Ａ…斜面、Ｂ…
係合用の溝、ｂ…溝の深さ寸法、Ｃ…切欠き、ｃ
…切欠きの深さ寸法、２…固定体としてのホルダ
ー、３…プランジヤー、５…解除つまみ、７…ロ
ツカー、７ａ…頭部。 1 to 5 show an embodiment of the present invention,
Figure 1 is a plan view of the rail, Figure 2 is a cross-sectional view of the holder, Figure 3 is a sectional view showing the release knob of the plunger locked with the locker, and Figure 4 is the rail locked to the holder. An explanatory diagram showing
Fig. 5 is a view taken in the direction of arrow V in Fig. 4, Fig. 6 is a perspective view showing a conventional plunger lock device installed in a radiotherapy device, Fig. 7 is an explanatory diagram when assembling the rail to the holder, FIG. 8 is an explanatory diagram when removing the rail from the holder. 1...Rail as an attached object, A...Slope, B...
Engagement groove, b...Groove depth dimension, C...Notch, c
...Depth dimension of the notch, 2...Holder as a fixed body, 3...Plunger, 5...Release knob, 7...Rocker, 7a...Head.

Claims

[Scope of Claim for Utility Model Registration] An attached body having a slope formed at the end and an engagement groove formed at an intermediate position, a fixing body for holding the attached body, and a holding body inserted through the fixing body. a plunger whose tip end is biased toward the side of the fixed body to which the body is attached, and whose other end projects toward the opposite side of the body to which the body is attached, and which engages in the engagement groove; and the other end of the plunger. In a plunger locking device comprising a rocker having a head for locking and releasing the plunger from engagement with the groove, there is a gap between the engagement groove of the attached body and the slope, which is deeper than the depth of the groove. A notch having a shallow depth is formed so as to be continuous with the groove, and a tapered portion is formed at the end of the notch on the slope side, the depth of which narrows as it approaches the slope side, The rocker is attached to the fixed body so as to be movable toward the other end of the plunger, and is biased in the opposite direction to the other end of the plunger, and the head of the rocker is fixed when the other end of the plunger is locked. , the plunger is held in a state in which the plunger has a dimension smaller than the depth dimension of the notch and protrudes toward the attached body side of the fixed body, and when the plunger is in the held state, the plunger is held in the tapered part of the notch. A plunger lock device characterized in that it is configured to slide in a direction in which it is released from locking by a plunger when it hits the plunger.