Abstract: A portable chair includes a frame and a sling for accommodating a seated user. The frame includes an upper back pair of bars, a lower back pair of bars, a hub configured to couple the upper back pair of bars to the lower back pair of bars, a middle pair of bars configured to be coupled to a corresponding one of the lower back pair of bars, a front pair of bars configured to be coupled to a corresponding one of the middle pair of bars, and a front joint configured to couple the front pair of bars to each other.

Abstract: A portable chair includes a frame and a sling for accommodating a seated user. The frame includes an upper back pair of bars, a lower back pair of bars, a hub configured to couple the upper back pair of bars to the lower back pair of bars, a middle pair of bars configured to be coupled to a corresponding one of the lower back pair of bars, a front pair of bars configured to be coupled to a corresponding one of the middle pair of bars, and a front joint configured to couple the front pair of bars to each other.

Abstract: A portable chair, configured to accommodate a seated user, includes a front pair of collapsible bars, a back pair of collapsible bars, a pair of joints, a center bar, a first set of lower bars, a second set of lower bars, and a sling. The center bar configured to securely couple the pair of back joints to each other. In some embodiments, at least one of the first set of lower bars has a first end permanently fixed to one of the joints, and a second end of first lower bars is configured to provide a point of contact with a ground surface. At least one of the second set of lower bars having a first end configured to be coupled to one of the joints, and wherein a second end of second lower bars is configured to provide a point of contact with a ground surface.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable rests and chairs. In one embodiment, a portable meadow rest accommodates a user in a semi-reclined position. The rest frame includes two pairs of collapsible bars and a pair of joints. The pair of joints are coupled to the collapsible bars. The pair of joints are further configured to contact a ground surface. A center bar is configured to securely couple the pair of joints to each other. The rest mat includes frame interfaces for coupling the rest mat to the rest frame.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: The portable chair frame that supports a sling of the preferred embodiments includes a brace, a first pair of collapsible bars, a second pair of collapsible bars, and two joints that each provide a point of contact with a ground surface. Each collapsible bar has a first end coupled to the brace and a second end that provides a sling interface for the sling. The joints are included in each of the collapsible bars of the first pair of collapsible bars.

Abstract: The portable chair frame that supports a sling of the preferred embodiments includes a brace, a first pair of collapsible bars, a second pair of collapsible bars, and two joints that each provide a point of contact with a ground surface. Each collapsible bar has a first end coupled to the brace and a second end that provides a sling interface for the sling. The joints are included in each of the collapsible bars of the first pair of collapsible bars.

Abstract: A robotic module for a toy construction system includes a housing enclosing a gear mechanism and an actuator connected to a pivot mechanism to supply operational power for rotation. An energy storage device supplies power to the actuator, which rotates in response to instructions received from a control unit connected to the actuator. A connection plate forms a connection between at least two of the modules. At least one position sensor is provided to sense the arrangement of the modules connected together.

Abstract: An assemblage of robotic modules for a toy construction system includes a plurality of robotic modules, each of which contains memory capability, an actuator, communication means, and a central processor unit. The assemblage also includes a distributed control unit, which is defined at least in part by a plurality of individual central processing units, with each individual robotic module having at least one central processing unit.

Abstract: A robotic module for a toy construction system includes a housing enclosing a gear mechanism and an actuator connected to a pivot mechanism to supply operational power for rotation. An energy storage device supplies power to the actuator, which rotates in response to instructions received from a control unit connected to the actuator. A connection plate forms a connection between at least two of the modules. At least one position sensor is provided to sense the arrangement of the modules connected together.

Abstract: An assemblage of robotic modules for a toy construction system includes a plurality of robotic modules, each of which contains memory capability, an actuator, communication means, and a central processor unit. The assemblage also includes a distributed control unit, which is defined at least in part by a plurality of individual central processing units, with each individual robotic module having at least one central processing unit.

Abstract: An assemblage of robotic modules for a toy construction system includes a plurality of robotic modules, each of which contains memory capability, an actuator, communication means, and a central processor unit. The assemblage also includes a distributed control unit, which is defined at least in part by a plurality of individual central processing units, with each individual robotic module having at least one central processing unit.

Abstract: An assemblage of robotic modules includes a plurality of robotic modules, with each robotic module having memory capability, an actuator, a joint position sensor, and communication means. The assemblage of robotic modules also includes a distributed control unit, which is defined at least in part by a plurality of individual central processing units, with each robotic joint module having at least one central processing unit.