| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixture adjustable according to a pin-to-pin distance L on an arm side matching a hydraulic shovel by a construction machinery manufacturer, not affecting a pin-to-pin distance S on an attachment side even if the pin-to-pin distance L is varied, and not limiting the specified operating range of an attachment. SOLUTION: This fixture 1 for the attachment for the construction machinery comprises a pin hole position moving mechanism E installed in a pin hole A in which a pin is inserted, the frame 2 of the fixture 1, a link 3, a plurality of engagement grooves 7c having a screw 7a formed at its tip to form a locked state by separating the engagement groove 2a of the frame 2 from the engagement groove 3a of the link 3 and formed in its outer periphery near the rear end thereof, a rod 7 having a polygonal part 7d formed at the rear end thereof, a clamp mechanism F preventing the rod 7 from being loosened by rotation, and trunnions 8 and 9. COPYRIGHT: (C)2005,JPO&NCIPI
|
