JPH0441070U

JPH0441070U -

Info

Publication number: JPH0441070U
Application number: JP8417590U
Authority: JP
Priority date: 1990-08-08
Filing date: 1990-08-08
Publication date: 1992-04-07

Description

[Brief explanation of the drawing]

第１図はウインドに取り付けられた本考案のロ
ツク装置の一実施例を示す斜視図、第２図は本考
案の閉時ロツク装置の一実施例を示す正面図、第
３図は第２図の装置の平面図、第４図は本考案の
開時ロツク装置の一実施例を示す正面図、第５図
は従来のロツク装置の一例を示す斜視図である。図面の主要符号、１……閉時ロツク装置、２１
……開時ロツク装置、２，２２……キヤツチ、３
，２３……係止リンク、４……ベルクランク、５
……連結リンク、６，２５……解除レバー。 Fig. 1 is a perspective view showing an embodiment of the locking device of the present invention attached to a window, Fig. 2 is a front view showing an embodiment of the closing locking device of the invention, and Fig. 3 is the same as Fig. 2. FIG. 4 is a front view showing an embodiment of the opening lock device of the present invention, and FIG. 5 is a perspective view showing an example of a conventional lock device. Main symbols in the drawing: 1... Closing lock device, 21
...Opening lock device, 2, 22...Catch, 3
, 23... Locking link, 4... Bell crank, 5
...Connection link, 6,25...Release lever.

Claims

[Scope of Claim for Utility Model Registration] 1. A device for locking the front window of the cabin of a construction machine in both the closed position and the open position stored in the attic, including: a) a lock provided at one end of the window; (b) a catch that is rotatably provided on the cabin side so as to assume an engagement position and a disengagement position with the locking fixture; (c) a first spring that constantly biases the catch to rotate in the direction of the disengagement position; , d a locking member for locking and releasing the catch in the engaged position, e a second spring for always biasing the locking member toward the locking side, and f moving the locking member to the release side. g. the center of rotation of the catch and the center of rotation of the locking member are arranged substantially horizontally along the cabin ceiling, and h. A front window closing locking device is provided with a bell crank for converting the vertical movement of the end of the locking member into horizontal movement of the operating lever. 2. A device for locking the front window of the cabin of a construction machine in both the closed position and the open position stored in the attic, comprising: a) a locking fitting provided at one end of the window; b) the locking fitting; a catch rotatably provided on the cabin side so as to assume an engaged position and a disengaged position; c) a first spring for constantly biasing the catch in the direction of the disengaged position; and d) a first spring to maintain the catch in the engaged position. a locking member for locking and releasing the locking member, e a second spring for constantly biasing the locking member toward the locking side, and f an operating lever for operating the locking member toward the release side. g. a windshield opening locking device, comprising: g. said catch and locking member being configured to rotate in a plane substantially parallel to the cabin roof; 3. The closing lock device according to claim 1 and claim 2.
A window locking device for construction machinery comprising the opening locking device described above.