Turnstile device

Details Turnstile device Turnstile device

2005-09-06

2005-09-06

Redman, Jerry (Department: 3634)

Movable or removable closures

Plural wings radiate from common pivot; i.e., revolving

Successive position-type; e.g., turnstile

C049S049000

Reexamination Certificate

active

06938371

ABSTRACT:
The invention relates to a turnstile suitable for the controlled admittance of persons to a building or to an otherwise enclosed or guarded area, comprising a body mounted on a rotatable and blockable axis, which body is provided with at least three arms extending from the body, the arms being oriented such that when rotation of the body is blocked, at least one of the arms is positioned to prevent passage, while the arms extend substantially horizontally or at an angle upwards from the body.

REFERENCES:
patent: 614077 (1898-11-01), Beatty
patent: 985544 (1911-02-01), Perey
patent: 987445 (1911-03-01), Driver
patent: 1617918 (1927-02-01), McLoughlin
patent: D188191 (1960-06-01), Stevens et al.
patent: 5390444 (1995-02-01), Simonin et al.
patent: 5979113 (1999-11-01), Hering
patent: 6044586 (2000-04-01), Wotke
patent: 001763629 (1992-09-01), None

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