Spring devices – Resilient shock or vibration absorber – Nonmetallic – resilient element
Reexamination Certificate
2006-01-30
2008-11-18
Siconolfi, Robert A (Department: 3683)
Spring devices
Resilient shock or vibration absorber
Nonmetallic, resilient element
C267S293000, C267S140120
Reexamination Certificate
active
07451967
ABSTRACT:
A pivot bushing for a suspension system has an inner metal and a split outer metal with an elastomeric bushing disposed between the metals. The split outer metal has one end which is partially closed by an inwardly curved portion and one end which is open. The assembly of the bushing is through the open end. Once assembled the open end is closed by placing a cover over the open end and crimping the cover to a flange formed at the open end. In another embodiment, the cover is inserted into the outer metal and the split outer metal is crimped to secure the cover in place.
REFERENCES:
patent: 2659619 (1953-11-01), Kishline et al.
patent: 5413374 (1995-05-01), Pierce
patent: 5437439 (1995-08-01), Brokamp et al.
patent: 6430774 (2002-08-01), McLaughlin et al.
patent: 6513801 (2003-02-01), McCarthy
patent: 6854723 (2005-02-01), Ogawa et al.
patent: 2006/0125165 (2006-06-01), Niwa et al.
McLaughlin Ronald J.
Raymond Jeff
Harness Dickey & Pierce PLC
Siconolfi Robert A
Sy Mariano
The Pullman Company
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