Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2007-06-27
2009-11-17
Underwood, Donald (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C172S466000
Reexamination Certificate
active
07618229
ABSTRACT:
A work machine has a boom and a boom lock. The boom lock is arranged to lock the boom in a raised boom position. An associated method is disclosed.
REFERENCES:
patent: 3730362 (1973-05-01), Hurlburt et al.
patent: 3995761 (1976-12-01), Hurlburt
patent: 4039093 (1977-08-01), Schmitz et al.
patent: 4184803 (1980-01-01), Housman
patent: 4206848 (1980-06-01), Wiese et al.
patent: 4220170 (1980-09-01), Hebert et al.
patent: 4225282 (1980-09-01), Nordstrom et al.
patent: 4227852 (1980-10-01), Schmitz et al.
patent: 4260321 (1981-04-01), Beauchamp et al.
patent: 4273502 (1981-06-01), Maurer et al.
patent: 4278394 (1981-07-01), Johnson
patent: 4304520 (1981-12-01), Schmitz
patent: 4370090 (1983-01-01), Shumaker et al.
patent: 4379522 (1983-04-01), Elliott et al.
patent: 4384817 (1983-05-01), Peterson
patent: 4385863 (1983-05-01), Minor
patent: 4389154 (1983-06-01), Minor et al.
patent: 4417502 (1983-11-01), Shore
patent: 4459786 (1984-07-01), Pitman et al.
patent: 4636132 (1987-01-01), Menke et al.
patent: 4724989 (1988-02-01), Silberberg
patent: 4887938 (1989-12-01), Menke
patent: 4997333 (1991-03-01), Ball et al.
patent: 5052566 (1991-10-01), Ziegler
patent: 5054989 (1991-10-01), Fell
patent: 5064339 (1991-11-01), Ahlers
patent: 5169277 (1992-12-01), Orser et al.
patent: 5189817 (1993-03-01), Schroeder
patent: 5333333 (1994-08-01), Mah
patent: 5377767 (1995-01-01), Briggs
patent: 5466113 (1995-11-01), Norberg
patent: 5518358 (1996-05-01), Aschroft et al.
patent: 5520500 (1996-05-01), McIlwain et al.
patent: 5630547 (1997-05-01), Klemenhagen et al.
patent: 5658201 (1997-08-01), Kleimeyer et al.
patent: 5827124 (1998-10-01), Kleimeyer et al.
patent: 5950926 (1999-09-01), Chahley et al.
patent: 5967737 (1999-10-01), Kraske et al.
patent: 5989127 (1999-11-01), Kitchen et al.
patent: 6012648 (2000-01-01), Morris
patent: 6059512 (2000-05-01), Kielinski
patent: 6099419 (2000-08-01), Incaudo et al.
patent: 6152675 (2000-11-01), Compton
patent: 6254331 (2001-07-01), Pisco et al.
patent: 6276666 (2001-08-01), Roberts
patent: 6330951 (2001-12-01), Johnston
patent: 6533527 (2003-03-01), Inoue et al.
patent: 6648582 (2003-11-01), Mayer et al.
patent: 6685038 (2004-02-01), Johnston et al.
patent: 6752541 (2004-06-01), Dykyk
patent: 7044315 (2006-05-01), Willim
patent: 7051634 (2006-05-01), Chubb et al.
patent: 7153084 (2006-12-01), Horst et al.
Images of Deere Skid Steer Model 240 (3 sheets) (2003).
Images of Deere Skid Steer Model 250 (3 sheets) (2003).
Images of Deere Skid Steer Model 260 (2 sheets) (2003).
Images of Deere Skid Steer Model 270 (3 sheets) (2003).
Images of Deere Skid Steer Model 280 (1 sheet) (2003).
Lift Locks for Deere Skid Steer Models 240 & 250 (1 sheet) (2002).
Lift Locks for Deere Skid Steer Models 260, 270, & 280 (1 sheet) (2002).
Drawing of Boom Lock (7 pages) (2002).
Boling John R.
Tigges Michael R.
Deere & Company
Underwood Donald
LandOfFree
Boom lock for work machine and associated method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Boom lock for work machine and associated method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Boom lock for work machine and associated method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4112682