| 摘要 |
FIELD: engines and pumps.SUBSTANCE: bottom (100) for a portable manual operating device with an internal combustion engine has mainly flat surface with outer edge (19) along the perimeter and one or more openings (14, 15) made for discharge of flying sparks. At least one edge (15a) of opening (15) has element (16) projecting at acute angle (?) and serving as a baffle plate.EFFECT: improving protection of a bottom of a manual tool against mechanical or dynamic loads.12 cl, 3 dwg |
