Chain – staple – and horseshoe making – Chains – Conduit
Reexamination Certificate
2008-04-11
2009-11-03
Jones, David B (Department: 3725)
Chain, staple, and horseshoe making
Chains
Conduit
C059S900000, C248S049000, C248S051000
Reexamination Certificate
active
07610744
ABSTRACT:
A housing module (10) for a haulage chain capable of hauling cables and hoses. The housing module (10) comprises a pair of opposed housing members (12,14) side wall portions of which abut to define opposed side walls (16,18) extending between opposed first and second walls (20,22). The housing module (10) includes releasable retention members (24) to retain the side wall portions of the housing members (12,14) in abutment whilst allowing selective separation of the housing members (12,14) to permit the loading and removal of cables and hoses into and out of a hollow interior (26) bounded by the walls (16,18,20,22) of the housing module (10). The side wall portions on each side of the housing module (10) define pockets (28) openable on separation of the housing members (12,14) to receive mutually interengaged endless links (44) of a chain (42) and thereby permit use of a pair of such chains (42) to interconnect a succession of housing modules (10) to define a haulage chain. The pockets (28) are closeable and the chains (42) are clampingly retained within the side walls (16,18) of the housing modules (10) on opposite sides of the haulage chain following closure of the respective pockets (28).
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International Search Report for WO 2004/106773, Sep. 6, 2004.
Jones David B
Mansign Mining Equipment Limited
Renner , Otto, Boisselle & Sklar, LLP
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