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Class Information
Number: 172/35
Name: Earth working > With drive means for tool or cleaner
Description: Apparatus in which a power means is provided to move an earth working element with a regular cyclic motion relative to its support independently of or in addition to the motion imparted directly to said element by the translation of the device as a whole as it is moved across the surface of the ground being treated.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 172/41 |
Attendant supported tool |
76 |
| 172/91 |
Blade movable with respect to cyclically driven carrier |
26 |
| 172/100 |
Blade on endless driven belt or chain |
9 |
| 172/46 |
Coaxial tools oppositely rotated |
3 |
| 172/97 |
Compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating) |
21 |
| 172/105 |
Driven from rolling or driven ground wheel |
4 |
| 172/82 |
Driven tool selectively shiftable along line of travel |
3 |
| 172/45 |
Flails |
32 |
| 172/42 |
Guided by walking attendant |
134 |
| 172/76 |
Implement with ground support for depth control |
6 |
| 172/75 |
Interconnected tool lift and drive control |
12 |
| 172/61 |
Intermittent drive for tool |
3 |
| 172/90 |
Irregular or off-center ground-engaging wheel or support |
6 |
| 172/48 |
Plural driven tools |
14 |
| 172/84 |
Simultaneously reciprocating and oscillating blade having elongated shank |
8 |
| 172/114 |
Specific propelling means |
11 |
| 172/44 |
Subsurface shaft or bar (e.g., rod weeder) |
19 |
| 172/36 |
Subsurface shears or nippers |
3 |
| 172/125 |
Tool drive details |
129 |
| 172/118 |
Tool driven about axis transverse to draft line |
20 |
| 172/124 |
Tool driven about diagonal axis |
13 |
| 172/110 |
Tool driven about generally vertical axis (e.g., oscillating choppers, etc.) |
11 |
| 172/107 |
Tool driven about horizontal, longitudinal axis |
3 |
| 172/117 |
Tool freely or yieldably mounted on chassis |
39 |
| 172/101 |
Tool guided for rectilinear reciprocation |
19 |
| 172/98 |
Tool mounted for lateral shifting |
19 |
| 172/37 |
Tool rotated by attendant |
1 |
| 172/40 |
Vibrating tool |
133 |
| 172/39 |
With cleaner or comminutor spaced from ground surface |
12 |
| 172/112 |
With deflector or shield for thrown material |
79 |
| 172/63 |
With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) |
30 |
| 172/38 |
With obstruction feeling device for moving or releasing implement |
10 |
| 172/103 |
With overload relief or clutch in drive train (e.g., overload release, etc.) |
24 |
| 172/81 |
With plant deflector or protector |
12 |
| 172/74 |
With power take-off from tool drive to adjust tool |
7 |
| 172/47 |
With specific relationship of mast-type hitch (i.e., three-point hitch) to implement |
62 |
| 172/80 |
With wheel substitute (e.g., runner, etc.) |
11 |
Patents under this class:
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