HAND-HELD TOOL Russian patent published in 2019 - IPC B27B17/00 

FIELD: woodworking industry.

SUBSTANCE: invention relates to the woodworking industry, in particular to chain saws. In the tool housing a spacer pin is installed, which extends through the hole in the housing cover. Fastening element fastening the cover relative to the housing is screwed onto the free end of the spacer pin. Fastening element has corresponding turnkey sites located on the housing cover outer side. On outer side of housing cover there is an outwardly projecting cap, which forms an attachment surface for fastener. Fastener portion located on the outer side of the housing cover in the projection directed along the central longitudinal axis of the spacer pin is bounded by the outer contour. Maximum distance from cap outer contour to central longitudinal axis on adjacency surface and in adjoining first part abutment surface is not more than half of key area size for fastener in fastening element so that it is possible to move tool that acts on pad for key, above the first area of the cap.

EFFECT: higher reliability of fastener attachment and disconnection.

13 cl, 12 dwg