DE149643C - - Google Patents
Info
- Publication number
- DE149643C DE149643C DENDAT149643D DE149643DA DE149643C DE 149643 C DE149643 C DE 149643C DE NDAT149643 D DENDAT149643 D DE NDAT149643D DE 149643D A DE149643D A DE 149643DA DE 149643 C DE149643 C DE 149643C
- Authority
- DE
- Germany
- Prior art keywords
- chain
- blades
- water
- shovel
- springs
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012634 fragment Substances 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/30—Propulsive elements directly acting on water of non-rotary type
- B63H1/34—Propulsive elements directly acting on water of non-rotary type of endless-track type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/30—Propulsive elements directly acting on water of non-rotary type
- B63H1/34—Propulsive elements directly acting on water of non-rotary type of endless-track type
- B63H2001/342—Propulsive elements directly acting on water of non-rotary type of endless-track type with tracks substantially parallel to propulsive direction
- B63H2001/344—Propulsive elements directly acting on water of non-rotary type of endless-track type with tracks substantially parallel to propulsive direction having paddles mounted in fixed relation to tracks, or to track members
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE149643C true DE149643C (en:Method) |
Family
ID=416635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT149643D Active DE149643C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE149643C (en:Method) |
-
0
- DE DENDAT149643D patent/DE149643C/de active Active
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