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US 8,960,625 B2Granted
Movable base with control surface
OwnerOliver Joen-an Mainventor
Life of this patent
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Abstract
In a further embodiment, a method of controlling a base assembly can be provided. An actuation member can be pumped to deploy one or more wheels to lift a base assembly on said wheels. Further, a pin can be received in a holding portion on a semi-planar contoured surface in response to the pumping of the actuation member. The wheels can be held in a deployed position via the pin being held in the holding portion. Further pumping of the actuation member can separate the pin from the holding portion and retract the wheels from the deployed position.
Claims22
A control mechanism comprising:
- an actuating member movably coupled to a housing;
- a transmission rod coupled to the actuating member such that actuation of the actuating member causes the transmission rod to translate relative to the housing;
- a pin mounted to the transmission rod;
- a control plate rotatably mounted to the housing, the control plate comprising a contoured surface substantially defining a pin path wherein the pin can move from a first stable position and enter into a second stable position along the path upon a first actuation of the actuating member, and the pin can exit the second stable position and return to the first stable position along the path upon a second actuation of the actuating member;
- and
- wherein motion of the transmission rod causes the pin to move between the first and second plate positions.
3 more elements
A control mechanism comprising:
- an actuating lever movably coupled to a housing;
- a transmission member operatively coupled to the actuating lever such that a pumping of the actuating lever causes the transmission member to move relative to the housing;
- a pin mounted to one of the transmission member and the housing to move in at least one direction relative to the transmission member or housing;
- and
- a control element mounted to the other of the transmission member and housing to move in at least one direction relative to the transmission member or housing, wherein the control element comprises a surface defining at least one stable holding position for the pin such that the pin can be received in the stable holding position upon a first pump of the actuating lever and can be separated from the stable holding position upon a second pump of the actuating lever.
2 more elements
A control mechanism comprising:
- a pin disposed on a housing;
- and
- a control element disposed on the housing such that the control element can at least move relative to the pin, wherein the control element defines a surface comprising:
- an angled portion;
- a holding portion;
- and
- an offset portion,
- wherein, a first motion of the control element relative to the pin causes the pin to traverse the angled portion, a second motion of the control element relative to the pin generally opposite the first motion causes the holding portion to receive the pin, a third motion of the control element relative to the pin generally in the same direction as the first motion causes the pin to be separated from the holding portion and to traverse the offset portion, and a fourth motion of the control element relative to the pin generally in the same direction as the second motion causes the pin to be separated from the offset portion.
5 more elements
Dependencies are inferred from the claim text.