| 摘要 |
A locking mechanism for covering the open end of a sign stand upright extrusion and for releasably locking a roll-up sign in place in the upright. A cap member covers the end of the extrusion. The cap member has a slanted surface for ease of entry of the sign into the upright extrusion, and a locking pin member for releasably locking said sign in place. The locking pin is adapted to be manually manipulated and has a pointed leading end for mating with an opening or recess in the sign cross brace member. A stop is also provided in the upright extrusion for holding the sign at the required height.
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