JPH0333436U

JPH0333436U -

Info

Publication number: JPH0333436U
Application number: JP9369389U
Authority: JP
Priority date: 1989-08-09
Filing date: 1989-08-09
Publication date: 1991-04-02

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例としての光書込みプ
リンタ用係止機構を示した斜視図、第２図ａ乃至
第２図ｄは夫々上記係止機構の通常係止動作を示
す各段階説明図、第３図ａ乃至第３図ｃは夫々上
記係止機構の係止解除動作を示す各段階説明図、
第４図ａ乃至第４図ｄは夫々上記係止機構の“片
ロツク状態”防止動作を示す各段階説明図、第５
図は上記“片ロツク状態”防止動作を示す模式的
平面図、第６図ａ及び第６図ｂは夫々上記光書込
みプリンタの閉成状態と開放状態を示す斜視図、
第７図は本考案の他の実施例を示す説明図、第８
図は従来の係止機構を示す斜視図である。１，８１……上部機体、２……下部機体、４，
８６……機体開放レバー、８……被係止軸、８ａ
……ギヤ部、８ｂ，８ｃ……被係止部、８ｂ_１，
８ｃ_１……切り欠き（被係止部）、９……支持板
、１０……アーム、１１……ラツク、１２，８４
……コイルバネ、１４……係止突起、１４ａ……
係合突部、１４ａ_１，１４ａ_２……係合面。 FIG. 1 is a perspective view showing a locking mechanism for an optical writing printer as an embodiment of the present invention, and FIGS. 2a to 2d are explanations of each stage of the normal locking operation of the locking mechanism. 3A to 3C are explanatory diagrams showing each stage of the unlocking operation of the locking mechanism, respectively,
FIGS. 4a to 4d are explanatory diagrams showing each stage of the "one-sided lock state" prevention operation of the locking mechanism, and FIG.
6A and 6B are perspective views showing the optical writing printer in a closed state and an open state, respectively.
FIG. 7 is an explanatory diagram showing another embodiment of the present invention;
The figure is a perspective view showing a conventional locking mechanism. 1,81... Upper fuselage, 2... Lower fuselage, 4,
86... Body release lever, 8... Locked shaft, 8a
... Gear part, 8b, 8c ... Locked part, 8b ₁ ,
8c ₁ ... Notch (locked part), 9 ... Support plate, 10 ... Arm, 11 ... Rack, 12, 84
... Coil spring, 14 ... Locking protrusion, 14a ...
Engagement protrusion, 14a ₁ , 14a ₂ ... engagement surface.

Claims

[Scope of utility model registration request]

In a locking mechanism for an opening/closing member provided in a device main body so as to be freely openable/closable, either the device main body or the opening/closing member has a gear portion formed in the center, and a part of the circumferential surface of a cylinder is cut out at each end. A shaft member forming a locked portion, a rack member capable of meshing with the gear portion, and a moving means for moving the shaft member along the direction in which the rack member extends, the other one comprising: a pair of locks each forming a slope inclined with respect to the extending direction of the rack member and a locking surface forming an acute angle with the slope, and engaging with the locked portion to prevent movement of the opening/closing member; A locking mechanism comprising a locking member.