Chain – staple – and horseshoe making – Chain making – Blanks and processes
Reexamination Certificate
2007-07-03
2007-07-03
Jones, David (Department: 3725)
Chain, staple, and horseshoe making
Chain making
Blanks and processes
C059S078000, C164S024000, C164S034000, C164S351000
Reexamination Certificate
active
11648966
ABSTRACT:
An investment cast, stainless steel chain link is provided for chains used in water and wastewater treatment. The chain link comprises a pair of spaced apart, elongated sidebars having forward ends and rearward ends. The forward ends are spread apart and are provided with outwardly and laterally extending bosses having transverse boss pin bores coaxially aligned with each other. The rearward ends are interconnected by a cylindrical barrel having a barrel pin bore extending through each of the sidebars. The sidebars are formed with outwardly and laterally projecting reinforcing ribs extending between the bosses and the barrel pin bore along a substantial length of the sidebars. A freely rotatable chain pin is inserted through aligned boss and barrel pin bores from either end thereof for interconnecting first and second pairs of sidebars. An arrangement is provided for preventing the lateral dislodgement of the chain pin from the sidebars.
REFERENCES:
patent: 404460 (1889-06-01), Akerson
patent: 630169 (1899-08-01), Black
patent: 809511 (1906-01-01), Lien
patent: 1079476 (1913-11-01), Deakins
patent: 1504646 (1924-08-01), Roddy
patent: 1731393 (1929-10-01), Paradise
patent: 2412364 (1946-12-01), Sivyer
patent: 2606348 (1952-08-01), Ronceray
patent: 3748919 (1973-07-01), Cook et al.
patent: 4019559 (1977-04-01), Szabo
patent: 4123947 (1978-11-01), Smith et al.
patent: 4160313 (1979-07-01), Radford
patent: 4220052 (1980-09-01), Sheldon
patent: 4602667 (1986-07-01), Moore et al.
patent: 4667813 (1987-05-01), Densmore
patent: 4682687 (1987-07-01), Leege et al.
patent: 4744211 (1988-05-01), Abe
patent: 4863418 (1989-09-01), Fillar et al.
patent: 4940072 (1990-07-01), Pellman et al.
patent: 5269729 (1993-12-01), Thuerman et al.
patent: 5286130 (1994-02-01), Mueller
patent: 5369833 (1994-12-01), Uttke et al.
patent: 5950416 (1999-09-01), Kerner et al.
patent: 6666327 (2003-12-01), Kilby et al.
patent: 6749006 (2004-06-01), Yang et al.
patent: 264675 (1950-02-01), None
Humcke Michael W.
Krallman Anthony D.
Andrus Sceales Starke & Sawall LLP
Jones David
LandOfFree
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