Weighted pulley system crowd control stanchion

Details Weighted pulley system crowd control stanchion Weighted pulley system crowd control stanchion

2005-11-29

2005-11-29

Stodola, Daniel P. (Department: 3679)

Fences

Miscellaneous

C256S038000, C256SDIG006, C049S034000

Reexamination Certificate

active

06969050

ABSTRACT:
A crowd control stanchions having an extendible tape in which a weighted pulley system rather than a spring mechanism is used to maintain tape tension when the tape is extended and to retract the tape.

REFERENCES:
patent: 118293 (1871-08-01), Stephens
patent: 631321 (1899-08-01), Owen
patent: 1653670 (1927-12-01), Sawyer
patent: 1790304 (1931-01-01), House
patent: 2153708 (1939-04-01), Belsher
patent: 5501429 (1996-03-01), Sakuma
patent: 6349503 (2002-02-01), Gompertz
patent: 375580 (1990-06-01), None
patent: 817123 (1937-05-01), None

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