JPH0323205U

JPH0323205U -

Info

Publication number: JPH0323205U
Application number: JP8384689U
Authority: JP
Priority date: 1989-07-17
Filing date: 1989-07-17
Publication date: 1991-03-11

Description

[Brief explanation of drawings]

第１図ないし第３図は本考案の一実施例を示す
図で、第１図はパワーシヨベルの斜視図、第２図
はブーム用油圧シリンダを一部切り欠いて示す側
面図、第３図はクツシヨン室圧の時間変化を示す
特性図、第４図ないし第６図は従来例を示す図で
、第４図はパワーシヨベルの斜視図、第５図はブ
ーム用油圧シリンダを一部切り欠いて示す側面図
、第６図はクツシヨン室圧の時間変化を示す特性
図である。９…ブーム用油圧シリンダ、１１…チユーブ、
１５…ピストン、２３…クツシヨンリング、２５
…嵌合孔、１０１…連結配管、１０３…ポート。 Figures 1 to 3 are views showing one embodiment of the present invention, in which Figure 1 is a perspective view of a power shovel, Figure 2 is a side view with a portion of the boom hydraulic cylinder cut away, and Figure 3 is a side view of the boom hydraulic cylinder. Characteristic diagrams showing temporal changes in cushion chamber pressure. Figures 4 to 6 are diagrams showing conventional examples. Figure 4 is a perspective view of a power shovel, and Figure 5 is a partially cutaway diagram of the boom hydraulic cylinder. The side view and FIG. 6 are characteristic diagrams showing changes in cushion chamber pressure over time. 9... Hydraulic cylinder for boom, 11... Tube,
15...Piston, 23...Cushion ring, 25
...Fitting hole, 101...Connecting pipe, 103...Port.

補正平２．１０．１８実用新案登録請求の範囲を次のように補正する
。Amendment October 18, 2002 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】クツシヨン装置を備えた右側油圧シリンダと、
クツシヨン装置を備えた左側圧シリンダと、上記
右側油圧シリンダのクツシヨン装置のクツシヨン
室と左側油圧シリンダのクツシヨン装置のクツシ
ヨン室とを連結する連結手段を具備したことを特
徴とする油圧シリンダ装置。図面の簡単な説明を次のように補正する。明細書第８頁第１０行〜第１１行に「側面図」
とあるのを「正面図」と補正する。明細書第８
頁第１４行〜第１５行に「側面図」とあるのを「
正面図」と補正する。[Scope of claim for utility model registration] A right hydraulic cylinder equipped with a cushioning device,
A hydraulic cylinder device comprising: a left pressure cylinder equipped with a cushion device; and a connecting means for connecting a cushion chamber of a cushion device of the right hydraulic cylinder and a cushion chamber of a cushion device of the left hydraulic cylinder. The brief description of the drawing has been amended as follows. "Side view" on page 8, lines 10 to 11 of the specification
The text has been corrected to read "front view." Specification No. 8
In the 14th to 15th lines of the page, replace the word “side view” with “
Correct it to "Front view".

Claims

[Scope of utility model registration request]

a right-hand hydraulic cylinder with a cushioning device;
A hydraulic cylinder device comprising: a left hydraulic cylinder provided with a cushion device; and a connecting means for connecting a cushion chamber of a cushion device of the right hydraulic cylinder and a cushion chamber of a cushion device of the left hydraulic cylinder.