DE173074C - - Google Patents

Info

Publication number

DE173074C

DE173074C DENDAT173074D DE173074DA DE173074C DE 173074 C DE173074 C DE 173074C DE NDAT173074 D DENDAT173074 D DE NDAT173074D DE 173074D A DE173074D A DE 173074DA DE 173074 C DE173074 C DE 173074C

Authority

DE

Germany

Prior art keywords

spindle

spring

levers

nut

drill

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.)

Active

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 238000005553 drilling Methods 0.000 claims description 3
• 239000011435 rock Substances 0.000 claims description 3
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
• 230000006835 compression Effects 0.000 description 2
• 238000007906 compression Methods 0.000 description 2
• 210000001331 nose Anatomy 0.000 description 2
• 241000131971 Bradyrhizobiaceae Species 0.000 description 1
• 229910052742 iron Inorganic materials 0.000 description 1
• 230000035939 shock Effects 0.000 description 1