JPH0384195U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a configuration diagram showing an embodiment related to the present invention, Fig. 2 is a schematic explanatory diagram of a conventional method for preventing long screws from falling off, and Fig. 3 is a schematic illustration of a method of preventing long screws from falling off according to the present invention. The explanatory diagram, FIG. 4, is a configuration diagram showing a second embodiment related to the present invention. 14, 15... Receiving screw, 31, 32... Long screw.

Claims (1)

[Scope of claim for utility model registration] (1) Preventing the long screw from falling off when the long screw is loosened, having a long screw for fixing a member and a receiving screw. In the structure, either the receiving screw or the long screw is provided with a protrusion that engages with the tip of the long screw or the receiving screw when the engagement between the two is released, and the projecting portion is provided at a predetermined position of the long screw. A long screw fall prevention structure is provided with a long screw support part that holds the periphery of the long screw, and the locking part at the tip and the long screw support part prevent the long screw from falling off. . (2) In the case of a Protsuta carriage, when the carriage mounting surface is fixed to the sliding member, wedge-shaped surfaces are formed on opposing edges of the carriage mounting surface, and wedges corresponding to these wedge-shaped surfaces are formed. first and second gripping members having shaped surfaces, and the sliding member and the wedge-shaped surfaces of the first and second gripping members are connected to two opposing wedge-shaped edges of the carriage mounting surface. in which the carriage is fixed by inserting the screw, and a long screw is used to attach at least the first and second gripping members to the sliding member, and a receiving screw is used to receive the long screw. A first protrusion is provided on either the long screw or the receiving screw that engages with the tip of the receiving screw or the long screw when the engagement between the two is released, and the first portion is attached by the long screw and the receiving screw. , an elastic member is interposed below the second gripping member, and a long screw supporting portion is further provided to hold the periphery of the long screw at a predetermined position of the long screw, and the locking portion at the tip and the long screw supporting portion are provided. A structure that prevents long screws from falling off with a long screw support part.