Furnaces – Including means to feed solid fuel – Movable grate
Reexamination Certificate
2008-02-06
2011-11-08
Rinehart, Kenneth (Department: 3743)
Furnaces
Including means to feed solid fuel
Movable grate
C110S287000, C110S291000, C126S174000
Reexamination Certificate
active
08051786
ABSTRACT:
A stoker grate for circulating a combustible material includes a stationary grate sheet support and a moveable grate sheet support fitting with prop rolls on the stationary grate sheet support. The moveable grate sheet support includes a pair of moveable grate sheet supports opposed to each other and another pair of arc-shaped moveable grate sheet supports opposed to each other to form a long annular-shaped assembled support, stationary grate sheets fitting with mounting transverse beams of the stationary grate sheet support, moveable grate sheets fitting with mounting transverse beams of the moveable grate sheet support, the moveable grate sheets and the stationary grate sheets being disposed alternatingly, and a transmission unit. The driving moveable grate sheet support is hinged to the adjacent driven moveable grate sheet support and the driven moveable grate sheet supports are hinged to each other.
REFERENCES:
patent: 2035128 (1936-03-01), Hitchcock
patent: 2183386 (1939-12-01), Yeager
patent: 2777406 (1957-01-01), Turner et al.
patent: 5269287 (1993-12-01), Krieger
patent: 5549471 (1996-08-01), Tegtmeier et al.
Laux David J
MacMillan Sobanski & Todd LLC
Rinehart Kenneth
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