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US 4,003,161 AGranted
Mechanical barrier
OwnerWesley A. Collinsinventor
Life of this patent
Estimating the term…
Abstract
A collapsible or removable post which may be keylocked in its upright position and in its stowed position. The post may be used to hold a sign or to act as a temporary barrier in order to block a traffic lane, a driveway or the access to, or egress from, a parking spot. The device comprises a movable inner post telescopically inserted into a ground imbedded container. A locking lever inside the post, actuated by a keylock, secures it at various height positions above ground level.
Claims2
A temporary barrier which comprises:
- a ground imbedded receptacle comprising an outer tube with a short upper section extending above ground, a sleeve fastened to the inside of said outer tube having a plurality of holes at various depth positions forming mortised areas;
- a movable post comprising a tubular enclosure slidably engaged into said sleeve, a cap closing the upper section of said enclosure, a lever pivotally mounted within said enclosure, a bolt at the lower part of said lever engaging said mortised areas, actuating means in the upper part of said lever and of said cap, a larger concentric cap fastened above said cap and fitting the upper end section of said outer tube.
Dependencies are inferred from the claim text.