Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent
1994-10-03
1996-09-03
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Means maintaining platform level on angularly movable support
Swingable support
182141, B66F 1104
Patent
active
055515274
ABSTRACT:
A lift apparatus includes a lift device and a hitch and mounting assembly for connection to the three point hitch of a conventional tractor. The lift device includes a lower boom and an upper boom pivotally connected together and connected to an occupant bucket. The boom arm is connected to a turntable mounted on a base. The base is secured to and support on a support frame of the hitch and mounting assembly. A vertically disposed hitch frame is rigidly secured to the support frame and is provided with hitch members for connection to the three point hitch of a conventional tractor.
REFERENCES:
patent: 2820561 (1958-01-01), Meagher
patent: 2966956 (1961-01-01), Campbell
patent: 3285365 (1966-11-01), Longton
patent: 3415339 (1968-12-01), Range
patent: 4116304 (1978-09-01), Durnell
patent: 4936414 (1990-06-01), Rybka
Bains Herman H.
Chin-Shue Alvin C.
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