Stop lock assembly for a pivotal tower

Details Stop lock assembly for a pivotal tower Stop lock assembly for a pivotal tower

1974-04-22

1976-01-27

Purser, Ernest R

Static structures (e.g., buildings)

Mechanism operated relatively movable shaft assembly

Tilts relative to base

52115, E04H 1234

Patent

active

039343812

ABSTRACT:
A stop lock assembly for a tower mounted on a platform and pivoted thereon whereby the tower is adapted to be raised from a horizontal position to a vertical, erected position. Stop members are operatively connected between the platform and the tower to limit the pivotal movement of the tower to the erected position and to hold portions of the platform and tower in alignment for the reception of locking pins extending therebetween for holding the tower in the erected position.

REFERENCES:
patent: 2193293 (1940-03-01), Nichols
patent: 2327461 (1943-08-01), Rowe
patent: 2354922 (1944-08-01), McEwen et al.
patent: 2611580 (1952-09-01), Troche et al.
patent: 2711803 (1955-06-01), Hurst
patent: 2790622 (1957-04-01), Priest
patent: 2993570 (1961-07-01), Bender
patent: 3015374 (1962-01-01), Carbert et al.
patent: 3101816 (1963-08-01), Fox
patent: 3109523 (1963-11-01), Moller
patent: 3189134 (1965-06-01), Womack et al.
patent: 3778940 (1973-12-01), Blechen

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