JPS63193311U

JPS63193311U -

Info

Publication number: JPS63193311U
Application number: JP8324487U
Authority: JP
Priority date: 1987-05-30
Filing date: 1987-05-30
Publication date: 1988-12-13
Also published as: JPH0435764Y2

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例を示し、第１Ａ図
は概略平面図、第１Ｂ図は第１Ａ図の−線に
よる部分断面図、第２図は本考案の第２実施例を
示し、第２Ａ図は概略平面図、第２Ｂ図は第２Ａ
図の−線による部分断面図、第３Ａ図は従来
例の概略平面図、第３Ｂ図は第３Ａ図の−線
による部分断面図、第４図は他の従来例の要部平
面図である。１……振子、２……ピン、１０，２０……取付
板、１１，２１……弾性棒、１２，１３……取付
ネジ。 Fig. 1 shows a first embodiment of the present invention, Fig. 1A is a schematic plan view, Fig. 1B is a partial sectional view taken along the - line in Fig. 1A, and Fig. 2 shows a second embodiment of the invention. , FIG. 2A is a schematic plan view, and FIG. 2B is a schematic plan view of FIG. 2A.
3A is a schematic plan view of a conventional example; FIG. 3B is a partial sectional view taken along the line - of FIG. 3A; and FIG. 4 is a plan view of main parts of another conventional example. . 1... Pendulum, 2... Pin, 10, 20... Mounting plate, 11, 21... Elastic rod, 12, 13... Mounting screw.

Claims

[Scope of utility model registration request]

In a surveying instrument equipped with an automatic horizontal correction mechanism using a pendulum, elastic rods fixed to mounting plates, one end of which is engaged with the surveying instrument main body, are arranged facing each other on both sides of the swinging direction of the pendulum, and An automatic horizontal correction mechanism protection device for a surveying instrument, characterized in that a free end of the rod comes into contact with the pendulum when the surveying instrument is tilted.