JPS6437589U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a front sectional view of one embodiment of the present invention with the lid fixed, Fig. 2 is a plan view of the same state, Fig. 3 is a sectional view taken along the line - - of Fig. 1, and Fig. 4 is a sectional view of the lid fixed. Fig. 1 is a sectional view taken along the line - Fig. 5 is a front sectional view showing the state when lifting the lid of the same example, Fig. 6 is a plan view of the same state, and Fig. 7 is used for operation of the same example. FIG. 8 is a front view of the jig, and FIG. 8 is a bottom view of the jig. 10...Bracket for fixing and lifting U-shaped groove lid, 11
... Pipe body, 12 ... Lid, 13 ... Lower box part, 14 ... Upper box part, 15 ... Cap,
20... Support column, 21... Spring, 26... Fixing hook, 27... U-shaped groove, 28... Engaging portion, 33...
...Top surface of lower box part, 34...Hook for lifting.

Amendment October 7, 1982 The scope of claims for utility model registration is amended as follows.

[Claims for Utility Model Registration] A pipe body embedded in a U-shaped groove cover and extending from the top surface to the bottom surface, a lower box part formed at the lower end of the pipe body and opening to the bottom surface of the cover, and the pipe body. an upper box part formed at the upper end and whose upper surface can be opened and closed; a strut loosely inserted into the pipe body; and a spring provided between the strut and the pipe body to bias the strut upward. , which is provided at the lower end of the pillar, protrudes from the lower surface of the lid, and engages with an engaging part provided on the side of the U-shaped groove to fix the lid, and also rotates together with the pillar, detaches from this engaging part, and rises. A fixing hook that fits into the lower box part and comes into contact with the upper surface of the lower box part, and a fixing hook that is provided at the upper end of the column and is housed in the upper box part when the fixing hook is engaged and is rotated, and the fixing hook is rotated. A fixture for fixing and lifting a U-shaped groove lid, comprising a lifting member that rises and projects from the upper box part onto the lid when the lid is detached, and to which a rope or the like can be attached to lift the lid. The brief description of the drawing has been amended as follows. On page 10 of the specification, line 12, "Lifting hook" is corrected to "Lifting member."

Claims (1)

[Scope of utility model registration request] A pipe body is embedded in the U-shaped groove lid and extends from the upper surface to the lower surface; a lower box portion is formed at the lower end of the pipe body and opens to the lower surface of the lid; and a lower box portion is formed at the upper end of the pipe body and the upper surface can be opened and closed. a freely movable upper box part; a strut loosely inserted into the pipe body; a spring provided between the strut and the pipe body to bias the strut upward; and a spring provided at the lower end of the strut; It protrudes from the lower surface of the lid and engages with an engaging part provided on the side of the U-shaped groove to fix the lid, and also rotates with the support column, detaches from the engaging part, rises, and fits into the lower box part, A fixing hook that abuts the upper surface of the lower box portion is provided at the upper end of the column, and is housed in the upper box portion when the fixing hook is engaged, and is raised when the fixing hook is rotated and released. A U-shaped groove lid fixing and lifting fitting comprising a lifting hook that protrudes from the upper box part onto the lid and can be hung with a rope or the like to lift the lid.