JPS6259188U

JPS6259188U -

Info

Publication number: JPS6259188U
Application number: JP15214985U
Authority: JP
Priority date: 1985-10-03
Filing date: 1985-10-03
Publication date: 1987-04-13

Description

[Brief explanation of drawings]

第１図はこの考案の実施例を示す展張状態にお
ける正面図、第２図は第１図の―線矢示図、
第３図は同格納状態における正面図、第４図は従
来の一般的な装置の展張状態における正面図であ
る。１……ポスト、２，３……プーリー、４……捲
取りドラム、６……駆動装置、９……ロープ、１
０……防塵ネツト、１１……止具、１２……移動
環。 Fig. 1 is a front view showing an embodiment of this invention in an expanded state, Fig. 2 is a view indicated by the - line arrow in Fig. 1,
FIG. 3 is a front view of the same storage state, and FIG. 4 is a front view of the conventional general device in the expanded state. 1... Post, 2, 3... Pulley, 4... Winding drum, 6... Drive device, 9... Rope, 1
0... Dustproof net, 11... Stop, 12... Moving ring.

Claims

[Scope of utility model registration request]

A pulley is provided at the upper end of a pair of opposing posts and at the lower end of one post, and a rope is sequentially passed through each pulley. fixing both ends of the rope to the winding drum and winding the rope a required number of times in the same winding direction, and fixing the upper edge of the dustproof net along the rope between the pulleys at the upper end of the post, A dustproof net device characterized in that a rope between the lower ends of the posts is inserted in series through a plurality of movable rings attached along the lower edge of the dustproof net.