Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Reexamination Certificate
2006-07-25
2006-07-25
Hess, Douglas (Department: 3651)
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
Reexamination Certificate
active
07080728
ABSTRACT:
The forged chain link and flight assembly and method of making same provide for use of a hollow sleeve for engaging link ends together and engaging flights to the link through engagement of a suitable connector through the flights and the sleeve to make the flights easily replaceable. As an alternative embodiment a solid sleeve incorporating threaded ends is also proposed for use in engaging flights to a forged chain link.
REFERENCES:
patent: 2761548 (1956-09-01), Long
patent: 3103275 (1963-09-01), Rollins
patent: 3171533 (1965-03-01), Ferg
patent: 3225897 (1965-12-01), Rollins
patent: 4756404 (1988-07-01), Maag et al.
4B Elevator Components, Ltd.
Hess Douglas
McManus Kajane
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