Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2006-10-26
2008-12-23
Underwood, Donald (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C037S468000
Reexamination Certificate
active
07467918
ABSTRACT:
A remote controlled latching system includes a latch device configured for mating engagement with a connection member to secure an attachment to a carrier; a latching cylinder coupled to the latch device, the latching cylinder having a latched position and an unlatched position; a valve assembly fluidly coupled to the latching cylinder, the valve assembly being configured to selectively drive the latching cylinder into the latched position and the unlatched position; a latching control switch operatively connected to the valve assembly for operating the valve assembly; and a height sensing switch operatively connected to valve assembly for operating the valve assembly.
REFERENCES:
patent: 2974637 (1961-03-01), Holmes et al.
patent: 6773223 (2004-08-01), Harris et al.
patent: 7001137 (2006-02-01), Perrin et al.
Lanting Henry A.
Yao Dingxi
Deere & Company
Underwood Donald
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