Barrier for mopeds and bicycles

Details Barrier for mopeds and bicycles Barrier for mopeds and bicycles

1976-02-18

1977-09-13

Downey, Kenneth

Movable or removable closures

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

49 49, 256 1, E05D 1502

Patent

active

040473309

ABSTRACT:
In a barrier for bicycles of selected lengths there is provided a U-shaped obstructing unit and means at the open side of such unit preventing in cooperation with the unit the passage of bicycles of a predetermined length.

REFERENCES:
patent: 841696 (1907-01-01), Lang
patent: 1101860 (1914-06-01), Lsngslow
patent: 1186945 (1916-06-01), Richards
patent: 2309893 (1943-02-01), Gersbach

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