Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent
1981-04-17
1982-10-05
Weakley, Harold W.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to regulate or vary operation of device
52174, 1372346, 137363, 141 98, 182128, 184 15, F24F 1300
Patent
active
043523226
ABSTRACT:
A prefabricated vehicle maintenance apparatus is disclosed, including a housing having bottom, side and end walls, which housing is adapted for insertion within a pit formed in the ground. A horizontal platform is arranged in the housing for supporting a mechanic beneath a vehicle arranged in straddling relation above the pit, the platform normally having effective width and length dimensions corresponding generally with the spacing distances between the housing side and end walls, respectively. The vehicle maintenance apparatus further includes a platform lifting device for vertically displacing the horizontal platform between upper and lower levels relative to the housing bottom wall, at least one of the effective width and length dimensions of the horizontal platform being variable to define an opening affording access to the portion of the housing bottom wall arranged beneath the platform.
REFERENCES:
patent: 1327120 (1920-01-01), Stewart
patent: 1654073 (1927-12-01), Fagan
patent: 2346033 (1944-04-01), Jordan
patent: 3084517 (1963-04-01), Bell
patent: 3517771 (1970-06-01), Mahbinger
patent: 4122761 (1978-10-01), Westin
patent: 4284173 (1981-08-01), Patterson
Hollis Darrell E.
Weakley Harold W.
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