Sit-kneel chair

Claim 2

A sit-kneel chair for supporting a person, said chair being adjustable to accommodate a specific stature of said person, which comprises: a seat for supporting the posterior of said person, said seat having an under surface; a knee support for supporting the forward portion of the knee or lower leg portion of said person, said knee support having an under surface; a frame having a. a first support asssembly for said for said seat, said first support assembly having a first base and an upstanding seat support member having an upper end, b. a second support assembly for said knee support, said second support assembly having a second base and an upstanding knee support member, and c. a connector means between said first and second bases, said connector means providing for adjustment of spacing between said first and second bases and thus between said seat and said knee support; a first adjustment assembly for selecting tilt and height of said seat with respect to said upper end of said seat support member, and spacing of said seat from knee support, said first adjustment assembly comprising a. a yoke member having parallel brackets attached to said under surface of said seat, said brackets provided with aligned apertures, b. a clevis member at said upper end of said seat support member having parallel brackets to intermesh with said brackets of said yoke, said brackets of said clevis each provided with an inclined slot with a first end toward said knee support being closer to said first base than a second end, said slots provided with a plurality of selectivity spaced notches in a lower edge, and c. a first fastener member passing through said slots of said clevis and said apertures in said yoke member, said fastener member provided with means for clamping said yoke member to said clevis member when said seat is properly positioned for tilt, height and spacing for said person; and a second adjustment assembly for selecting tilt and height of said knee support with respect to said upper end of said knee support member, and spacing of said knee support from said seat, said second adjustment assembly comprising a. a yoke member having parallel brackets attached to said under surface of said knee support, said brackets provided with aligned apertures, b. a clevis member at said upper end of said knee support member having parallel brackets to intermesh with said brackets of said yoke, said brackets of said clevis each provided with an inclined slot with a first end toward said knee support being closer to said second base than a second end, said slots provided with a purality of selectively spaced notches in a lower edge, and c. a second fastener member passing through said slots of said clevis and said apertures in said yoke member of said second adjustment assembly, said second fastener member provided with means for clamping said yoke member to said clevis member when said knee support is properly positioned for tilt, height and spacing for said person.

Claim 3

The sit-kneel chair of claim 1 wherein said seat support member comprises: a vertically-oriented first center support having a first end proximate said first base; and a first pair pf oppositely disposed panels sandwiched with said first center support, said panels attached at a first end to said first base, and forming said clevis of said first adjustment assembly at a second end.

Claim 4

The sit-keel chair of claim 1 wherein said knee support member comprises: a vertically-oriented second center support having a first end proximate said second base; and a second pair of oppositely disposed panels sandwiched with said second center support, said panels attached at a first end to said second base, and forming said clevis of said second adjustment assembly at a second end.

Claim 5

The sit-kneel chair of claim 2 wherein said connector means includes a receptor channel provided on said knee support member proximate with said second base and with aligned apertures intersecting with said receptor channel, and with an adjustment fastener passing through said apertures, and wherein said seat support member further comprises a connector bar proximate said first base projecting toward and receptive in said receptor channel in said second support assembly, said connector bar being provided with a longitudinal slot to accept said adjustment fastener whereby spacing between said first and second bases can be adjusted for comfort of said person.

Claim 6

A sit-kneel chair for supporting a person, said chair being adjustable to comfortably accommodate a specific stature of said person when using said chair, which comprises: a seat for supporting the posterior of said person, said seat having an under surface, with a seat yoke yoke member having parallel brackets attached to said under surface of said seat, said brackets provided with aligned apertures; a knee rest for supporting the forward position of the knee or lower leg portion of said person, said knee rest having an under surface, with a knee rest yoke member having parallel brackets attached to said under surface of said knee rest, said brackets provided with aligned apertures; a seat support assembly having a first base, a vertically oriented first center support with a first end proximate said first base and a second end, and a first pair of oppositely disposed panels sandwiched with said first center support, said panels attached at a first end to said first base, and forming a seat clevis at a second end for meshing with said seat yoke member, said panels at said seat clevis each provided with an inclined slot with a first end toward said knee rest being closer to said first base than a second end, said slots provided with a plurality of spaced apart notches in a lower edge; a knee rest support assembly having a second base, a vertically oriented second center support with a first end proximate said second base and a second end, and a second pair of oppositely disposed panels sandwiched with said second center support, said panels attached at a first end to said second base, and forming a knee rest clevis at a second end for meshing with said knee rest yoke member, said panels at said knee rest clevis each provided with an inclined slot with a first end toward said seat being closer to said second base than a second end, said slots provided with a plurality of spaced apart notches in a lower edge, said knee rest support assembly provided with a receptor channel proximate said second base and with aligned apertures intersecting with said receptor channel; a connector bar having a first end attached proximate said first base of said seat support assembly between said first pair of panels, with a second end for being received in said receptor channel in said knee rest support assembly, said second end provided with a longitudinal slot to be aligned with said apertures intersecting said receptor channel; a first fastener member passing through said slots of said seat clevis of said seat support assembly and said apertures of said seat yoke member whereby said seat clevis and said seat yoke member can be clamped together when said seat is properly positioned for tilt, height, and spacing for said person; a second fastener member passing through said slots of said knee rest clevis of said knee rest support assembly and said apertures of said knee rest yoke member whereby said knee rest clevis and said knee rest yoke member can be clamped together when said seat is properly positioned for tilt, height and spacing for said person; and a third fastener member passing through said apertures in said knee rest support assembly intersecting said receptor channel and through said slot in said connector bar whereby said connector bar can be clamped in said receptor channel when said seat support assembly and said knee rest support assembly are properly positioned for spacing for said person.

Claim 7

A sit-kneel chair for supporting a person, said chair being adjustable to comfortably accommodate a specific stature of said person when using said chair, which comprises: a seat for supporting the posterior of said person, said seat having an under surface, with a seat yoke yoke member having parallel brackets attached to said under surface of said seat, said brackets provided with aligned apertures; a knee rest for supporting the forward position of the knee or lower leg portion of said person, said knee rest having an under surface, with a knee rest yoke member having parallel brackets attached to said under surface of said knee rest, said brackets provided with aligned apertures; a seat support assembly having a first base, a vertically oriented first center support with a first end proximate said first base and a second end, and a first pair of oppositely disposed panels sandwiched with said first center support, said panels attached at a first end to said first base, and forming a seat clevis at a second end for meshing with said seat yoke member, said panels at said seat clevis each provided with an inclined slot with a first end toward said knee rest being closer to said first base than a second end, said slots provided with a plurality of spaced apart notches in a lower edge; a knee rest support assembly having a second base, a vertically oriented second center support with a first end proximate said second base and a second end, and a second pair of oppositely disposed panels sandwiched with said second center support, said panels attached at a first end to said second base, and forming a knee rest clevis at a second end for meshing with said knee rest yoke member, said panels at said knee rest clevis each provided with an inclined slot with a first end toward said seat being closer to said second base than a second end, said slots provided with a plurality of spaced apart notches in a lower edge, said knee rest support assembly provided with a receptor channel proximate said second base and with aligned apertures intersecting with said receptor channel; a connector bar having a first end attached proximate said first base of said seat support assembly between said first pair of panels, with a second end for being received in said receptor channel in said knee rest support assembly, said second end provided with a longitudinal slot to be aligned with said apertures intersecting said receptor channel; a first fastener member passing through said slots of said seat clevis of said seat support assembly and said apertures of said seat yoke member whereby said seat clevis and said seat yoke member can be clamped together when said seat is properly positioned for tilt, height, and spacing for said person; a second fastener member passing through said slots of said knee rest clevis of said knee rest support assembly and said apertures of said knee rest yoke member whereby said knee rest clevis and said knee rest yoke member can be clamped together when said seat is properly positioned for tilt, height and spacing for said person; and a third fastener member passing through said apertures in said knee rest support assembly intersecting said receptor channel and through said slot in said connector bar whereby said connector bar can be clamped in said receptor channel when said seat support assembly and said knee rest support assembly are properly positioned for spacing for said person.