Static structures (e.g. – buildings) – With stadium or auditorium feature – Seating arrangement
Patent
1980-02-04
1981-10-13
Bell, J. Karl
Static structures (e.g., buildings)
With stadium or auditorium feature
Seating arrangement
297232, 297331, E04H 312, A47C 112
Patent
active
042940486
ABSTRACT:
Apparatus is provided for setting up and collapsing long rows of seats for stadiums or auditoriums, wherein each seat is provided with gravity counter-balancing spring means such that setting up or collapsing an extended row of seats may be done from one end of the row with a minimum of distortion along the row or force required. Provision is made for automatic operation by means of a small electric motor which may be remotely controlled. Additional provision is made for locking each set of an extended row of seats in either the set up or collapsed positions and for unlocking them in response to the initial action of means for changing the seats from one position to the other.
REFERENCES:
patent: 619153 (1899-02-01), Egan et al.
patent: 3352069 (1967-11-01), Curra
patent: 3443835 (1969-05-01), Brunskole
patent: 3584414 (1971-06-01), Bahnsen
patent: 3880464 (1975-04-01), Murphy et al.
patent: 4063392 (1977-12-01), Van Rym et al.
patent: 4155202 (1979-05-01), Hartman
patent: 4189876 (1980-02-01), Crossman et al.
patent: 4211450 (1980-07-01), Sutter
Bell J. Karl
Hussey Manufacturing Co., Inc.
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