FIELD: agricultural engineering and horticulture.
SUBSTANCE: hand shears have cylindrical body incorporating piston, stepped stem, guiding bushing and return spring, knife with lever and counter knife, as well as cover positioned on top part of body and equipped with opening. Cylindrical protrusion formed on top part of body is arranged eccentrically with respect to body and stem and provided with thread. Counter knife is immovably fixed on cover having cylindrical portion equipped with internal thread by means of which thread cover is joined to eccentric protrusion of body. Guiding bushing is positioned within body between cover and spring. Diameter of stem mid portion exceeds diameter of bushing opening.
EFFECT: increased efficiency due to eccentricity of cylindrical protrusion allowing cutting force and size of knife pair aperture to be adjusted.
2 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PRUNER | 2018 |
|
RU2682437C1 |
| PRUNER | 1997 |
|
RU2142221C1 |
| PRUNER | 0 |
|
SU1192718A1 |
| PNEUMATIC SCISSORS | 0 |
|
SU1727697A1 |
| PRUNER | 0 |
|
SU1069695A1 |
| DEVICE FOR TRIMMING TREE BRANCHES | 2010 |
|
RU2457668C1 |
| SECATEUR | 0 |
|
SU791325A1 |
| PRUNING SHEARS | 0 |
|
SU1701174A1 |
| SECATEUR | 0 |
|
SU791326A1 |
| FLAT PRINTED MATTER CUTTING OFF DEVICE | 1993 |
|
RU2099272C1 |
