Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
2005-12-13
2005-12-13
Dickson, Paul N. (Department: 3611)
Land vehicles
Wheeled
Articulated vehicle
C280S507000, C403S370000, C403S374300, C292S240000
Reexamination Certificate
active
06974147
ABSTRACT:
A system for preventing relative movement between first and second members, in which the first member is received within a passage defined by the second member. The system includes an engagement or locking member, which may in the form of a cam, that is movably mounted within an interior defined by the first member. An actuator arrangement is carried by the first member and is interconnected with the cam, for moving the cam between an operative position and a release position. In one embodiment, the first member may be in the form of a mounting member associated with a device such as a trailer tow bar or the mounting member of an equipment carrier, and the second member may be in the form of a hitch receiver secured to a vehicle. A cross member is located within the interior of the first member, and may be in the form of a hitch pin that extends through aligned openings in the first and second members. The cam bears against the cross member, and is configured such that movement of the cam from the release position to the operative position, in response to operation of the actuator arrangement, causes the cam to move laterally through an opening in the first member into engagement with an internal surface defined by the second member. In this manner, the cam applies a lateral force that urges the first member laterally into engagement with an internal surface defined by the second member. The actuator arrangement may be in the form of a rotatable knob secured to the first member, which is interconnected with an actuator rod that moves axially in response to rotation of the rotatable knob so as to cause pivoting movement of the cam between the operative position and the release position.
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Boyle Fredrickson Newholm Stein & Gratz S.C.
Dickson Paul N.
Saris Cycling Group, Inc.
Yeagley Daniel
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