Chain – staple – and horseshoe making – Chains – Conduit
Reexamination Certificate
2004-05-27
2008-10-28
Jones, David B (Department: 3725)
Chain, staple, and horseshoe making
Chains
Conduit
C248S049000, C248S051000
Reexamination Certificate
active
07441397
ABSTRACT:
A chain link for a haulage chain capable of hauling cables and hoses, wherein a housing body has opposed side walls extending between opposed top and bottom walls, first and second chain link transmission members respectively connected to the opposed side walls and each being configured for pivotal connection to respective first and second chain link transmission members of adjacent chain links to define a chain. The top wall and an upper portion of each of the opposed side walls defines a first housing shell and the bottom wall and a lower portion of each of the opposed side walls define a second housing shell, the first and second housing shells being separable from one another. The first and second housing shells are retained together to define the housing, but are separable to permit loading/removal of cables and hoses into/out of the chain link.
REFERENCES:
patent: 3772875 (1973-11-01), Viano
patent: 5711144 (1998-01-01), Pea
patent: 6029437 (2000-02-01), Hart
patent: 6067788 (2000-05-01), Weber
patent: 6789383 (2004-09-01), Plush et al.
patent: 9318441 (1994-02-01), None
patent: 1087593 (1967-10-01), None
patent: 1149341 (1969-04-01), None
patent: 0129448 (2001-04-01), None
International Search Report for corresponding Application No. PCT/GB2004/002287.
Jones David B
Mansign Mining Equipment Limited
Renner, Otto, Boiselle & Sklar, LLP.
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