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An adjustable hinge has a cam structure and a pin engaging one of multiple openings to interact with the cam structure and establish a range of rotation for the arms of the hinge. The range of rotation for the hinge is adaptable depending on which of multiple openings is selected for insertion of th

An adjustable hinge has a cam structure and a pin engaging one of multiple openings to interact with the cam structure and establish a range of rotation for the arms of the hinge. The range of rotation for the hinge is adaptable depending on which of multiple openings is selected for insertion of the pin. A bracket provides for modification in the location of the hinge with respect to a support member as well as the location of an armrest with respect to the bracket.

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1. An adjustable seat comprising: a seat bottom portion; a seat back portion; a pair of first hinge arms each having a seat back mounting structure secured to one of opposite sides of said seat back portion, each of said first hinge arms having a plurality of openings radially disposed about

1. An adjustable seat comprising: a seat bottom portion; a seat back portion; a pair of first hinge arms each having a seat back mounting structure secured to one of opposite sides of said seat back portion, each of said first hinge arms having a plurality of openings radially disposed about an axis of rotation; a pair of second hinge arms each having a seat bottom mounting structure secured to one of opposite sides of said seat bottom portion, each of said second hinge arms rotatably connected to one of said first hinge arms at said axis of rotation, each of said second hinge arms having a cam structure extending about said axis of rotation; a pair of pins each removably inserted in one of corresponding openings of said first hinge arms for interaction with the cam structures of said second hinge arms to limit rotation of said first hinge arms with respect to said second hinge arms within a range of rotation, said range of rotation being variable depending on the particular corresponding openings of said first hinge arms chosen for said pins; and a pair of plates each having a plurality of openings, each of said plates secured against rotation relative to one of said first hinge arms such that the plurality of openings of said plate is aligned with the plurality of openings of said first hinge arm, each of said second hinge arms positioned between one of said first hinge arms and one of said plates, each of said pins extending between aligned openings of one of said first hinge arms and one of said plates. 2. An adjustable seat comprising: a seat bottom portion; a seat back portion; a pair of first hinge arms each having a seat back mounting structure secured to one of opposite sides of said seat back portion, each of said first hinge arms having a plurality of openings radially disposed about an axis of rotation; a pair of second hinge arms each having a seat bottom mounting structure secured to one of opposite sides of said seat bottom portion, each of said second hinge arms rotatably connected to one of said first hinge arms at said axis of rotation, each of said second hinge arms having a cam structure extending about said axis of rotation; a pair of pins each removably inserted in one of corresponding openings of said first hinge arms for interaction with the cam structures of said second hinge arms to limit rotation of said first hinge arms with respect to said second hinge arms within a range of rotation, said range of rotation being variable depending on the particular corresponding openings of said first hinge arms chosen for said pins; and a pair of attachment brackets each secured to one of said second hinge arms, said brackets having an opening adapted for slidably engaging an elongated seat support member, each of said brackets further including a threaded hole communicating with said opening for receiving a threaded member to releasably secure said bracket to said seat support member, wherein said seat support member is hollow for slidable receipt of an armrest support internally of said seat support member, said seat support member further having a longitudinally extending slot, and wherein said bracket further includes a second threaded hole communicating with said opening for receiving a second threaded member, said second hole aligned with said slot for securement of said armrest support to said bracket by said second threaded member. 3. A vehicle comprising: an elongated support member secured to said vehicle; and an adjustable hinge having first and second hinge arms, one of said first and second hinge arms secured to said elongated support member, said first hinge arm having a plurality of openings radially disposed about an axis of rotation, said second hinge arm rotatably connected to said first hinge arm at said axis of rotation, said second hinge arm having a cam structure extending about said axis of rotation, said adjustable hinge further having a pin removab ly inserted in one of the openings of said first hinge arm for interaction with the cam structure of said second hinge arm to limit rotation between said first and second hinge arms within a range of rotation, said range of rotation being variable depending on the particular opening chosen for said pin, wherein said adjustable hinge comprises a plate having a plurality of openings, said plate secured against rotation relative to said first hinge arm such that each one of the plurality of openings of said plate is aligned with one of the plurality of openings of said first hinge arm, said second hinge arm positioned between said first hinge arm and said plate, said pin extending between aligned openings of said first hinge arm and said plate. 4. A vehicle comprising: an elongated support member secured to said vehicle; an adjustable hinge having first and second hinge arms, one of said first and second hinge arms secured to said elongated support member, said first hinge arm having a plurality of openings radially disposed about an axis of rotation, said second hinge arm rotatably connected to said first hinge arm at said axis of rotation, said second binge arm having a cam structure extending about said axis of rotation, said adjustable hinge further having a pin removably inserted in one of the openings of said first hinge arm for interaction with the cam structure of said second hinge arm to limit rotation between said first and second hinge arms within a range of rotation, said range of rotation being variable depending on the particular opening chosen for said pin; and a pair of attachment brackets each secured to one of said second hinge arms, said brackets having an opening adapted for slidably engaging said elongated support member, each of said brackets further including a threaded hole communicating with said opening for receiving a threaded member to releasably secure said bracket to said support member, wherein said support member is hollow for slidable receipt of a pair of armrest supports internally of said support member, said support member further having a longitudinally extending slot, and wherein each of said brackets further includes a second threaded hole communicating with said opening for receiving a second threaded member, said second hole aligned with said slot for securement of one of said armrest supports to said bracket. 5. A vehicle comprising: a seat having a bottom portion and a back portion; an elongated support member defining a hollow interior and including an elongated slot; at least one hinge having pivotably connected arms secured to the bottom and back portions of the seat, the arms of the hinge being pivotable with respect to each other within a range of pivot that is adjustable; an attachment member secured to one of the hinge arms, the attachment member engaging the elongated support member and having first and second threaded holes extending through a portion thereof, the second threaded hole positioned for alignment with the elongated slot of the elongated support member; an accessory having an elongated portion slidably received in the hollow interior of the elongated support member; a first threaded member received in the first threaded hole of the attachment member for engagement with the elongated support member; and a second threaded member received in the second threaded hole of the attachment member and extending through the slot in the support member for contact with the elongated portion of the accessory. 6. In a vehicle having a seat that includes back and bottom portions pivotably connected to each other, the improvement comprising: at least one adjustable hinge having first and second arms, the first hinge arm secured to one of the back and bottom portions of the seat, the second hinge arm secured to the other of the back and bottom portions of the seat, the first hinge arm including a plurality of openings, the second hinge arm having a peripheral edge portion, the second hinge arm pivotably connected to the first hinge arm at an axis of rotation, the hinge further including a pin receivable in the openings of the first hinge arm to extend adjacent the peripheral edge portion of the second hinge arm, the peripheral edge portion adapted to engage the pin and limit pivot between the first and second hinge arms within a range of rotation, the range of rotation being variable depending on the particular opening receiving the pin. an elongated seat support member defining a hollow interior and having an elongated slot; an attachment member secured to one of the hinge arms and engaging the elongated seat support member, the attachment member having first and second threaded holes extending through a portion thereof, the second threaded hole positioned for alignment with the slot of the seat support member; a first threaded member received in the first threaded hole of the attachment member for engagement with the elongated seat support member; and a second threaded member received in the second threaded hole of the attachment member and extending through the slot in the seat support member for contact with an elongated portion of an armrest received within the hollow interior of the seat support member. 7. In a vehicle including a seat having back and bottom portions pivotably connected to each other by at least one hinge, the improvement comprising: an elongated support member secured to the vehicle for support of the seat, the elongated seat support member defining a hollow interior and an elongated slot; at least one armrest having a portion slidably received within the hollow interior of the elongated seat support member; at least one armrest adjustment member secured to the seat and having first and second threaded holes extending through a portion thereof, the armrest adjustment member engaging the elongated seat support member such that the second threaded hole is aligned with the slot in the elongated support member; a first threaded member received in the first threaded hole of the armrest adjustment member for engagement with the elongated seat support member; and a second threaded member received in the second threaded hole of the armrest adjustment member and having a sufficient length to extend through the slot in the seat support member to engage the portion of the armrest received within the hollow interior of the elongated seat support member.