JPS6439389U - - Google Patents
Info
- Publication number
- JPS6439389U JPS6439389U JP1987133481U JP13348187U JPS6439389U JP S6439389 U JPS6439389 U JP S6439389U JP 1987133481 U JP1987133481 U JP 1987133481U JP 13348187 U JP13348187 U JP 13348187U JP S6439389 U JPS6439389 U JP S6439389U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- sealing device
- sealing material
- telescopic
- inner boom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003566 sealing material Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
図面は本考案の実施例を示し、第１図はシール
装置を備えた伸縮ブームの側面図、第２図は要部
の構成を示す断面図、第３図は第１図の−断
面図である。
１……アウタブーム、２……インナブーム、３
……シール装置、５……シール材、５０……スリ
ツト。
The drawings show an embodiment of the present invention; FIG. 1 is a side view of a telescopic boom equipped with a sealing device, FIG. 2 is a sectional view showing the configuration of the main parts, and FIG. be. 1... Outer boom, 2... Inner boom, 3
...Sealing device, 5...Sealing material, 50...Slit.
Claims (1)
ブームの先端に、インナブームの外周表面と摺動
可能に接してインナブームとアウタブーム間の開
口部を遮蔽するシール材を設けたシール装置にお
いて、前記シール材に前記インナブームの伸縮方
向と平行にスリツトを入れたことを特徴とする伸
縮ブームのシール装置。 In a sealing device, a sealing material is provided at the tip of an outer boom of a telescoping boom connected in a telescopic manner, and the sealing material is slidably in contact with the outer circumferential surface of the inner boom and shields an opening between the inner boom and the outer boom. A sealing device for a telescopic boom, characterized in that a slit is provided in parallel to the direction of expansion and contraction of the inner boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987133481U JPH0328068Y2 (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987133481U JPH0328068Y2 (en) | 1987-08-31 | 1987-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6439389U true JPS6439389U (en) | 1989-03-09 |
| JPH0328068Y2 JPH0328068Y2 (en) | 1991-06-17 |
Family
ID=31391378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987133481U Expired JPH0328068Y2 (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328068Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815440U (en) * | 1981-07-22 | 1983-01-31 | 株式会社日立製作所 | charging circuit |
| JPS6221602A (en) * | 1985-07-19 | 1987-01-30 | 富士重工業株式会社 | Preventive device for scattering of garbage from garbage wagon |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815440B2 (en) * | 1978-12-11 | 1983-03-25 | 工業技術院長 | construction crane |
-
1987
- 1987-08-31 JP JP1987133481U patent/JPH0328068Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815440U (en) * | 1981-07-22 | 1983-01-31 | 株式会社日立製作所 | charging circuit |
| JPS6221602A (en) * | 1985-07-19 | 1987-01-30 | 富士重工業株式会社 | Preventive device for scattering of garbage from garbage wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0328068Y2 (en) | 1991-06-17 |