US 7,467,918 B2
Remote controlled latching system
Dingxi Yao, Fonthill (Canada); and Henry A. Lanting, Dunnville (Canada)
Assigned to Deere & Company, Moline, Ill. (US)
Filed on Oct. 26, 2006, as Appl. No. 11/586,996.
Prior Publication US 2008/0101908 A1, May 01, 2008
Int. Cl. E02F 3/28 (2006.01)
U.S. Cl. 414—723  [37/468] 30 Claims
OG exemplary drawing
 
1. A remote controlled latching system for securing an attachment to a work machine, said work machine having a carrier configured for carrying said attachment,
a hydraulic bucket cylinder coupled to said carrier, a hydraulic system for providing hydraulic power, and hydraulic lines fluidly coupling said bucket cylinder to said hydraulic system for operating said attachment for performing work with said work machine using said bucket cylinder, said attachment having a connection member for use in said securing said attachment to said work machine, said remote controlled latching system comprising:
a latch device configured for mating engagement with said connection member to secure said attachment to said carrier;
a latching cylinder coupled to said latch device, said latching cylinder having a latched position and an unlatched position;
a valve assembly fluidly coupled to said latching cylinder, said valve assembly being configured to selectively drive said latching cylinder into said latched position and said unlatched position;
a latching control switch operatively connected to said valve assembly for operating said valve assembly; and
a height sensing switch operatively connected to valve assembly for operating said valve assembly.