FIELD: process engineering.
SUBSTANCE: invention relates to hand tools. Hand tool comprises working part and part for interaction with operator including handle. Said handle comprises two elongated elements with I-shaped cross section. Each said elongated element includes part to be gripped by operator's hand. The latter has first surface and main surface for interaction with operator that features curvature in three dimensions and is, preferably, defined by invariable radius of curvature. Note here that said handle follows the operator hand shape to reduce, or eliminate, undesirable points of concentrations of forces. First surface for operator hand is provided with appliance for fixation of fingers in using said tool.
EFFECT: ease of use.
20 cl, 5 dwg
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