Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Reexamination Certificate
2005-03-17
2009-02-17
Lowe, Michael S (Department: 3652)
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
C414S556000, C414S557000, C187S243000
Reexamination Certificate
active
07491026
ABSTRACT:
A lift gate assembly including a pair of spaced-apart columns, a pair of support members telescopingly received within the pair of spaced apart columns, a platform having a first section operably coupled to the pair of support members and a second section operably coupled to the first section, and a support element having a first end operably coupled with one of the pair of support members, and a second end operably coupled with the platform. The lift gate assembly also includes a support arm having a first end operably coupled to the platform and a second end operably coupled to the support element between the first and second ends of the support element, a first bracket fixed to the first section of the platform and positioned to restrict rotation of the platform with respect to at least one of the columns, a second bracket fixed to the second section of the platform and positioned to restrict the rotation of the arm with respect to the second section of the platform, a third bracket fixed to one of the columns, and a fourth bracket operably coupled to the arm and adapted to engage the third bracket to restrict rotation of the platform with respect to the columns and to support the platform from the columns in a vertical direction when the platform is in a storage position.
REFERENCES:
patent: 4007844 (1977-02-01), Perkins
patent: RE31157 (1983-02-01), Perkins
patent: 4408948 (1983-10-01), Robinson
patent: 5122026 (1992-06-01), Kent
patent: 5263808 (1993-11-01), Kent
patent: 5449267 (1995-09-01), Ablabutyan
patent: 5513943 (1996-05-01), Lugash et al.
patent: 5597282 (1997-01-01), Hoffman et al.
patent: 5683221 (1997-11-01), Ablabutyan
Lowe Michael S
Price Heneveld Cooper DeWitt & Litton LLP
SAF-Holland, Inc.
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