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US 4,844,420 AGranted
Retractable crowd control barrier
OwnerNicholas R. Osterinventor
Life of this patent
Estimating the term…
Abstract
A retractable crowd control barrier is provided and consists of a housing carried on any type of post member in which an elongated tape is conveniently stored within the housing on a forward wound spring-actuated spool assembly and can be extended therefrom into a position to guide pedestrian traffic and maintain an orderly assembly of people.
Claims3
A retractable crowd control barrier comprising:
- (a) a cylindrical housing having a vertical slot therein;
- (b) a forward wound spring actuated spool assembly rotatably mounted within said housing lengthwise thereof;
- (c) a substantially elongated tape of flexible meaterial having first end thereof secured to said spool assembly and extending outwardly through said slot;
- (d) a clip member attached to second end of said tape for releasably securing said tape to a first stationary structure and to prevent said tape from completely passing into said housing through said slot;
- (e) means for attaching said housing in a non-rotatably secured vertical position to a second stationary structure, whereby said housing may be routinely carried and rapidly erected with said tape extended therefrom so as to guide pedestrian traffic and maintain orderly assembly of people;
- and
- (f) an eyelet member affixed to said housing opposite said slot so that another said clip member can engage with said eyelet member.
4 more elements
Dependencies are inferred from the claim text.