| 摘要 |
PROBLEM TO BE SOLVED: To provide a hook lock receiver of a simple structure and excellent design, enabling adjustment in forward-rearward and vertical directions by rotating a forward-rearward adjustment screw and a vertical adjustment screw on a surface of a front plate.SOLUTION: A hook lock receiver includes: a slide member 4 having a top and bottom pair of horizontal grooves 43..43 extending in a forward-rearward direction, and right and left side plates 42, 42 on which inclined grooves 44, 44 are formed below the horizontal grooves; a receiving member 5 having a U-shaped cross-section and a top and bottom pair of protrusions 54..54 protruding from right and left side plates 53, 53 respectively fitted slidably in the top and bottom horizontal grooves 43, 43 formed on the side plates 42, 42 of the slide member 4, the receiving member being movable in the forward-rearward direction by rotating a forward-rearward adjustment screw 7, and being provided with a hook lock receiving part 52; and a vertical adjustment plate member 6 having a screw hole 62 screwed therethrough and protrusions 61, 61 at both side edges, to be fitted slidably in the inclined grooves 44, 44, the vertical adjustment plate member moving the slide member 4 vertically by rotating a vertical adjustment screw 8.SELECTED DRAWING: Figure 1 |
