Hydraulic and earth engineering – Miscellaneous
Patent
1978-11-07
1979-12-25
Taylor, Dennis L.
Hydraulic and earth engineering
Miscellaneous
98 50, 160330, 405259, E21F 100, E21F 300
Patent
active
041803523
ABSTRACT:
An extensible brattice and cantilevered support system therefor comprises a brattice panel having first and second top sleeves and a weighted bottom sleeve suspended from selected roof bolts by a support system comprising a support to which the brattice panel is mounted and which defines a track, and mounting apparatus for each roof bolt comprising a coupler connected to the panel support in sliding engagement with the support track, an elongate member connected to the coupler, an upstanding, roof abutting leg member connected to the elongate member at a location longitudinally spaced from the coupler, and a member connecting the elongate member in depending relation to the associated roof bolt at a position on the elongate member intermediate the coupler and leg member.
REFERENCES:
patent: 2947239 (1960-08-01), Burgess
patent: 3306180 (1967-02-01), Asbury
patent: 3715969 (1973-02-01), Burgess
Berry D. Randolph
Divers Edward F.
Monaghan David A.
Gardiner Donald A.
Taylor Dennis L.
The United States of America as represented by the Secretary of
Zack Thomas
LandOfFree
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