JPH01146143U - - Google Patents
Info
- Publication number
- JPH01146143U JPH01146143U JP4440288U JP4440288U JPH01146143U JP H01146143 U JPH01146143 U JP H01146143U JP 4440288 U JP4440288 U JP 4440288U JP 4440288 U JP4440288 U JP 4440288U JP H01146143 U JPH01146143 U JP H01146143U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- hammer
- tip
- lock lever
- flange
- 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
Links
- 230000035515 penetration Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
第１図は、本考案試験機の縦断側面図、第２図
は、同上要部切欠拡大側面図、第３図は、使用状
態を示す側面図である。
１……試験機本体、２……空所、３……ハンマ
ーシヤフト、４……フランジ、６……貫入針、７
……ロツクレバー、１２……ばね、１４……引金
。
FIG. 1 is a vertical sectional side view of the testing machine of the present invention, FIG. 2 is an enlarged side view with a cutaway of the same essential parts, and FIG. 3 is a side view showing the test machine in use. 1...Testing machine body, 2...Vacancy, 3...Hammershaft, 4...Flange, 6...Penetration needle, 7
... Lock lever, 12 ... Spring, 14 ... Trigger.
Claims (1)
形成したハンマーシヤフトを試験機本体内に縦貫
挿入し、前記フランジと該フランジを嵌入した本
体内空所上部との間にばねを弾介して、ハンマー
シヤフトの先端にある貫入針を本体先端より弾圧
突出せしめるようにすると共に、該試験機本体に
、ハンマーが後退した時該ハンマーに掛止するロ
ツクレバーを枢設し、該本体後端部に上記ロツク
レバーを解除する引金を枢設してなるコンクリー
トの簡易硬度試験機。 A hammer shaft with a penetrating needle protruding from its tip and a flange formed in the middle is inserted vertically into the test machine main body, and a spring is elastically inserted between the flange and the upper part of the cavity in the main body into which the flange is inserted. The penetration needle at the tip of the hammer shaft is forced to protrude from the tip of the main body, and the testing machine body is provided with a lock lever that engages the hammer when the hammer is retracted, and a lock lever is provided at the rear end of the main body. A simple concrete hardness tester equipped with a trigger for releasing the lock lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4440288U JPH01146143U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4440288U JPH01146143U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146143U true JPH01146143U (en) | 1989-10-09 |
Family
ID=31270761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4440288U Pending JPH01146143U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013088277A (en) * | 2011-10-18 | 2013-05-13 | Hideyuki Yasumoto | Soil hardness measuring instrument |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5236621U (en) * | 1975-09-05 | 1977-03-15 |
-
1988
- 1988-03-31 JP JP4440288U patent/JPH01146143U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5236621U (en) * | 1975-09-05 | 1977-03-15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013088277A (en) * | 2011-10-18 | 2013-05-13 | Hideyuki Yasumoto | Soil hardness measuring instrument |