| 摘要 |
<p>A folding bracket, notably for supporting shelves and the like, comprises two pivotally interconnected arms 32, and has slidably mounted in one arm a spring- loaded longitudinal rod 7 adapted in the operative position to releasably engage a hole 11 in the other arm and provided with a trigger extension 14 projecting beyond the inner face of the first arm through an elongated aperture 15 formed with at least one lateral notch 22 at its end opposite the pivot pin so that the trigger can be pulled with one finger for releasing the bolt from the hole and retaining the rod in one notch from which the trigger can be released at a finger touch for restoring the locking engagement between the two arms. <IMAGE></p> |
