Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent
1994-08-01
1996-10-15
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Means maintaining platform level on angularly movable support
Swingable support
182 63, B25J 500
Patent
active
055645224
ABSTRACT:
A multi-purpose vehicle of a type having the ability to swing about a vertical axis like a turret and having a two-member boom pivotable about a horizontal axis with an operator's cage at its distal end. Controls are available at the cage for locating and manipulating various construction materials and equipment essential to the efficient construction of the post frame building.
REFERENCES:
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patent: 3043395 (1962-07-01), Volkel
patent: 3250343 (1966-05-01), Maloney
patent: 3319739 (1968-05-01), Morse
patent: 3937340 (1976-02-01), Grove
patent: 4169511 (1979-10-01), Brown
patent: 4657109 (1987-04-01), Sterner
patent: 5286159 (1994-02-01), Honma
Markin Brian A.
Markin Hugh A.
Byrne John J.
Chin-Shue Alvin C.
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