| 摘要 |
A hook member including: a base frame (1) which has a recess (8) in a center part and bearing parts (29) at both sides thereof, the base frame (1) being fitted to a fitting face by means of a bolt (7); a hook body (2) which is pivotally held by the bearing parts (29) of the base frame (1) so as to rotate between a contained position where it has entered into the recess and a pulled out position where it has been pulled out from the recess; a cover body (3) which is pivotally held by the bearing parts (29) of the base frame (1) so as to rotate between a fallen state where it has entered into the recess thereby to conceal a bolt head (7a) of the bolt (7) and an upright state where the bolt head (7a) is exposed; and releasable locking means (25) which maintain the cover body (3) in the upright state.
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