| 摘要 |
FIELD: attachments and additional means for holding and transferring tools. ^ SUBSTANCE: tool holder in non-working state is free from tool; its jacket in closed state is secured to base by means of first and second fastening members. In concrete case said base is in the form of bottom of box having pins for fitting tool holder through first and second mounting openings respectively of first and second fastening members. Jacket is open by pressing pedal in direction towards base while holding portion and stop appear to be in second stable mutual arrangement: by inclination angle one relative to other. Stem of tool or its working end is placed in seat of holding portion. Bridge prevents tool falling out of jacket. Jacket is closed by pressing said bridge in direction towards base while stop and holding portion return to straight stable mutual arrangement. Working end of tool descends in port of stop while widened part of crosspiece prevents tool falling out jacket at side of stop port. Stem and working end of tool are well viewed in window of holding portion and in port of stop. ^ EFFECT: ease usage, enhanced operational reliability of tool holder. ^ 2 cl, 5 dwg |
