JPS6315708U - - Google Patents

Info

Publication number
JPS6315708U
JPS6315708U JP10989686U JP10989686U JPS6315708U JP S6315708 U JPS6315708 U JP S6315708U JP 10989686 U JP10989686 U JP 10989686U JP 10989686 U JP10989686 U JP 10989686U JP S6315708 U JPS6315708 U JP S6315708U
Authority
JP
Japan
Prior art keywords
mask
machine according
absorbing material
sound absorbing
waveguide path
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.)
Pending
Application number
JP10989686U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10989686U priority Critical patent/JPS6315708U/ja
Publication of JPS6315708U publication Critical patent/JPS6315708U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Guiding Agricultural Machines (AREA)

Description

【図面の簡単な説明】
図面は本考案に係る農作業機の実施例を示し、
第1図は超音波センサの全体側面図、第2図は第
1図の―線矢視図、第3図は植付クラツチと
苗植付装置の昇降機構を示す構成図、第4図は従
来の超音波センサの斜視図、第5図は全体側面図
である。

Claims (1)

  1. 【実用新案登録請求の範囲】 畦存在感知の為の超音波センサ15用発信器
    15Aの前面に、超音波絞り込み用のマスク17
    を設けるとともに、このマスク17の少なくとも
    超音波導波経路13内周面に吸音材21を設けて
    ある農作業機。 前記マスク17全体が吸音材21からできて
    いる実用新案登録請求の範囲第項に記載の農作
    業機。 前記マスク17は導波経路が出口径より大き
    なものに形成されている実用新案登録請求の範囲
    第項に記載の農作業機。
JP10989686U 1986-07-17 1986-07-17 Pending JPS6315708U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10989686U JPS6315708U (ja) 1986-07-17 1986-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10989686U JPS6315708U (ja) 1986-07-17 1986-07-17

Publications (1)

Publication Number Publication Date
JPS6315708U true JPS6315708U (ja) 1988-02-02

Family

ID=30988422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10989686U Pending JPS6315708U (ja) 1986-07-17 1986-07-17

Country Status (1)

Country Link
JP (1) JPS6315708U (ja)

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