Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2006-02-21
2006-02-21
Underwood, Donald W. (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C037S468000
Reexamination Certificate
active
07001136
ABSTRACT:
The invention pertains to a device for attaching an implement to a lifting unit, in particular, to a front-end loader, wherein the implement and the lifting unit can be connected to one another by a movable bar that can be displaced from a locking position into an unlocking position by an externally activated actuator. The actuator is coupled to the bar by a coupling device designed such that a driving connection between the actuator and the bar is only produced when the actuator is activated. This makes it possible to displace the bar manually, as well as in an actuator-operated fashion.
REFERENCES:
patent: 3269570 (1966-08-01), Wallberg
patent: 5263810 (1993-11-01), Takekata et al.
patent: 5466113 (1995-11-01), Norberg
patent: 5562397 (1996-10-01), Albright
patent: 6154989 (2000-12-01), Kaczmarski et al.
patent: 43 27 942 (1995-01-01), None
patent: 1 138 833 (2001-04-01), None
Berthod Emmanuel
Perrin Laurent
Deere & Company
Underwood Donald W.
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