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    • 41. 发明专利
    • ROAD GUTTER BLOCK HANGING TOOL
    • JPH02282190A
    • 1990-11-19
    • JP10427389
    • 1989-04-24
    • TSUYAMA HATSUO
    • KAWAKITA RYUICHIROWATANABE MASAHIDETSUYAMA HATSUO
    • B66C1/48B66C1/54B66C1/62
    • PURPOSE:To obtain a hanging tool with no possibility of damaging a gutter block of different size by arranging a movable jaw, movable jaw link arm means, bell crank arm and a bell crank link arm means in such a manner that the movable jaw takes a release position in a condition that each pivotally mounting point of the link arm means occupies the vertex of a parallelogram. CONSTITUTION:A hanging tool is lowered so that opposed walls of a gutter block are received in a pair of slots 11L, 11R, when a distance between inner side surfaces is smaller than a leg part, the block is guided by tilt guide surfaces 16L, 16R, and main units 10L, 10R are pulled, inserting the gutter block opposed wall till it is adapted to a bottom part of the slots 11L, 11R, and moved in a direction approaching by handles 17L, 17R. Next, when a lock means 80 is released, movable jaws 12L, 12R advance to a clamping position, when a pivotally mounting point 44 of hanging links 42L, 42R is pulled upward, bell crank arms 40L, 40R are symmetrically turned turning the movable jaws 12L, 12R in the clamping position firmly clamping the gutter block.
    • 46. 发明专利
    • GRASPING DEVICE FOR LOAD
    • JPH0238294A
    • 1990-02-07
    • JP18818488
    • 1988-07-29
    • MOTODA ELECTRONICS
    • MOTODA KENRO
    • B66C1/42B25J15/08B66C1/44B66C1/48
    • PURPOSE:To firmly hold a load with no necessity for providing qa driving source by urging the motion of arms by a pulling member, which pulls the right and left grasping arms, and converting repulsive force of the pulling member into grasping force. CONSTITUTION:For this device to grasp a load W, the device is positioned just above the load W, and force of turning downward is applied a little to either one of a grasping arm 6 or 7. Here a spring 10, positioned in a horizontal direction in the vicinity of shafts 4, 5, is displaced to the bottom beyond the shafts 4, 5, being left as positioned in the horizontal direction, by swiveling a little the arms 6, 7. Now in the spring 10 pulling the arms each other in the upper of the shafts 4, 5, the spring 10 comes to change its both end mounting points to a position in a bottom side of the shafts 4, 5. As the result, the spring acts so as to pull a point end side of both the arms 6, 7 to both side surfaces of the load W. Roll-shaped pads 8, 9 are provided in the point end of the arms 6, 7, thus further firmly holding the load W by action of rough surfaces 8b, 9b of the pads 8, 9 and weight of the load W.