CLAMP Russian patent published in 2010 - IPC B23Q13/00 B26B29/00 

FIELD: technological processes.

SUBSTANCE: invention related to designs of protective accessories for cutting tools blades, for instance hand saws. Clamp of protective accessory of hand cutting tool blade comprises the following components made of material having elastic properties - body with rear back changing into bottom and latch having the main ledge and connected by one edge to body by means of transition journal, which serves as rotary hinge. Transition journal is arranged on outer side of the area, where rear back changes into bottom, which has a free edge, distance from which to axis of transition journal hinge turn is more than the distance from specified axis of hinge turn to top of the main ledge in latch, which periodically locks free edge of bottom to form the main locking device.

EFFECT: invention provides for reliability and efficiency of fixation, improved performance and simplified design.

2 cl, 4 dwg