Material or article handling – Elevator or hoist and loading or unloading means therefor – Comprising device on carrier to move or carry load laterally...
Reexamination Certificate
2008-01-28
2011-10-11
Rudawitz, Joshua (Department: 3652)
Material or article handling
Elevator or hoist and loading or unloading means therefor
Comprising device on carrier to move or carry load laterally...
C414S673000, C187S213000, C254S01000C, C254S01000C, C254S08900R
Reexamination Certificate
active
08033778
ABSTRACT:
The present invention proposes an elevating conveyance device with improved versatility which can be utilized for transferring an automobile body in an automobile assembly line, etc., and according to a first aspect of the invention, the elevating conveyance device includes a multistage extensible column, a transfer means, and an extending and contracting drive mechanism, where the multistage extensible column includes a fixed column portion, one or more mid-stage elevating column portions, and a final-stage elevating portion, the transfer means is provided on the final-stage elevating portion, and the extending and contracting drive mechanism includes a counter weight supported on the fixed column portion movably vertically in a range of the height of the fixed column portion, a winding transmission tool which applies the gravity of the counter weight upward to the next mid-stage elevating column portion, an elevating drive means which drives and elevates the next mid-stage elevating column portion with respect to the fixed column portion, and winding transmission tools which convert an upward movement of the mid-stage elevating column portion into an upward movement of the next mid-stage elevating column portion or final-stage elevating portion.
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Daifuku Co. Ltd.
Rudawitz Joshua
St. Onge Steward Johnston & Reens LLC
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