| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a guard member for hooks, which is capable of preventing the deformation of a hook and non-obstructing fitting or separation work of a pair of locking implements constituting the hook. <P>SOLUTION: This guard member for protecting the hooks which consists of a male-side locking implement and a female-side locking implement fitting to the male-side locking implement, is provided with an installation seat plate for a locking implement, and a plurality of protection wall parts projecting from the circumferential part of the installation seat plate higher than the height of the locking device, finger insertion recesses for inserting fingers from outside the outer circumference of the installation seat plate to inside the outer circumference of the installation seat plate are provided between the adjoining protection wall parts; the installation seat plate is formed into a circular shape in the plan view; the two protection wall parts are provided in a symmetric position in the both side of the locking implement in the circumference of the installation seat plate, and inclined wall faces inclined toward the apices of the protection wall parts are provided in the upper faces of the finger insertion recesses between the protection wall parts. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
