A tipping chair (10) includes a main strut (12),a pivot seat (34) on the main strut (12), a pivot slot (18) defined the main strut (12) and a pivot strut (24) pivotally secured within the pivot slot (18). Pivoting a prop end (28) of the pivot strut (24) out of the pivot slot (18) of the main strut (
A tipping chair (10) includes a main strut (12),a pivot seat (34) on the main strut (12), a pivot slot (18) defined the main strut (12) and a pivot strut (24) pivotally secured within the pivot slot (18). Pivoting a prop end (28) of the pivot strut (24) out of the pivot slot (18) of the main strut (12) backward toward a bottom end (14)of the main strut (12) causes a seat end (26) of the pivot strut (24) to raise the pivot seat(34) , and the seat end (26) becomes secured to a latch (42) on a brace surface (40) opposed to a seating surface (38) of the pivot seat (34) to postion the chair (10) in a seated.configuration. Reversing the process returns the chair (10) to a flat, stored configuration to be optionally stored as wall art.
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1. A portable, collapsible ergonomic tipping chair that enables a user of the chair to gently exercise their leg and abdominal muscles by tipping the chair while seated in the chair, the chair comprising: a. a main strut having a bottom end and an opposed top end, the main strut defining a pivot slo
1. A portable, collapsible ergonomic tipping chair that enables a user of the chair to gently exercise their leg and abdominal muscles by tipping the chair while seated in the chair, the chair comprising: a. a main strut having a bottom end and an opposed top end, the main strut defining a pivot slot extending from adjacent the bottom end toward the top end, and an entire length of the pivot slot passing completely through the main strut from a front surface through a back surface of the main strut;b. a pivot strut including a seat end and an opposed prop end, the pivot strut being pivotally secured within the pivot slot by a pivot strut axle that is secured between the main strut and a mid-section of the pivot strut so that the pivot strut axle enables the pivot strut to pivot back-and forth from a first position wherein the pivot strut is completely within pivot slot and the seat end of the pivot strut is adjacent the bottom end of the main strut to a second position wherein the seat end of the pivot strut extends away from the front surface of the main strut and the prop end of the pivot strut extends away from the back surface of the main strut;c. a pivot seat pivotally secured to the main strut by a seat hinge, the pivot seat having a seating surface and an opposed brace surface, the brace surface Including a latch for engaging and disengaging the seat end of the pivot strut from the latch, wherein the seat hinge is positioned between the pivot strut axle and the top end of the main strut, so that the seat hinge enables the pivot seat to pivot back-and-forth from first position wherein the brace surface is aligned adjacent the front surface of the main strut to a second position wherein the brace surface of the pivot seat is aligned about perpendicular to the front surface of the main strut;d. wherein, whenever the pivot strut is in the first position and the brace surface of the pivot seat aligned adjacent the front surface of the main strut, the tipping chair is in a stored configuration; and,e. wherein whenever the pivot strut is in the second position so that the seat end of the pivot strut is pivoted out of the pivot slot to contact and position the brace surface of the pivot seat about perpendicular to the front surface of the main strut, to position the seat end of the pivot strut detachably secured to the latch in the brace surface of the pivot seat, and to position the prop end of the pivot strut away from the back surface of the main strut, the tipping chair is in seating configuration. 2. The portable, collapsible ergonomic tipping chair of claim 1, wherein, whenever the chair is in the seating configuration so that the prop end of the pivot strut and the bottom end of the main strut are contacting a chair support surface upon which the tipping chair is supported and the chair support surface is about parallel to a plane perpendicular to a direction of the force of gravity: a. a distance between the bottom end of the main strut contacting the chair support surface and the prop end of the pivot strut contacting the chair support surface is dimensioned so that the main strut is in a main strut seated alignment between the back surface of the main strut and the prop end of the pivot strut contacting the chair support surface, wherein the main strut seated alignment is between about sixty-five degrees and about eight five degrees;b. the pivot sear is supported by the seat end of the pivot strut so that the pivot seat is in a seated pivot seat alignment betreen about eighty-five degrees and about one-hundred degrees between the seating surface of the pivot seat and a portion of the front surface of the main strut above the seat hinge, wherein “above” is in a direction toward the top end of the main strut; and,c. leading edge of the pivot seat extends a distance away from the front surface of the main strut that is about one-half of a distance between the seat hinge and the bottom end of the main strut contacting the chair support surface, the tipping chair thereby being configured to impose a slouch-proof correct seated posture on a user seated on the seating surface of the pivot seat and with the user's back leaning against the front surface of the main strut. 3. The portable, collapsible ergonomic tipping chair of claim 1, further comprising a seat hinge means for pivotally securing the pivot seat to the front surface of the main strut. 4. The portable, collapsible ergonomic tipping chair of claim 3, wherein the seat hinge means comprises a first coupling and a second coupling secured to and extending away from the front surface main strut, a first notch and a second notch defined within a contact edge of the pivot seat and configured to receive the first and second couplings, a hinge bore passing through the contact edge of the pivot seat and through the first and second notches, and a hinge pin configured to pass through the hinge bore, the first and second notches and the first and second couplings respectively within the first and second notches to pivotally secure the pivot seat to the front surface of the main strut. 5. The portable collapsible ergonomic tipping chair of claim l, wherein a distance between the pivot strut axle and the seat end of the pivot strut is between about 60 percent and about 70 percent of a distance between the pivot strut axle and the prop end of the pivot strut. 6. The portable, collapsable ergonomic tipping chair of claim 1, further comprising friction enhancing means or increasing friction between the bottom end of the main strut and a surface upon which the tipping chair is supported. 7. The portable, collapsable ergonomic tipping chair of claim 6, wherein the friction enhancing mean include friction enhancing members secured to the bottom end of the main strut and configured to contact the surface upon which the tipping chair is supported, the friction enhancing members being selected from the group consisting of rubber, compounds including rubber engineered polyaers, asbestos containing and non-asbestos containing friction material organic friction base compounds, and combintions thereof. 8. The portable, collapsable ergonomic tipping chair of claim 6, wherein the friction enhancing means includes a foot secured to the bottom end of the main strut, wherein the foot extends beyond at least one of opposed side edges of the bottom end of the main strut, wherein the foot is positioned to contact the surface upon which the tipping chair is supported, wherein the foot defines at least a partial cylindrical outer surface contacting the surface upon which the tipping chair is supported to facilitate tipping of the chair, and wherein the foot includes a friction enhancing member secured between the cylindrical outer surface and the surface upon which the tipping chair is supported. 9. The portable, collapsible ergonomic tipping chair of claim 8, wherein the friction enhancing member includes a flexible O-ring secured within cylindrical grooves defined in an outer circumference of the foot. 10. The portable, collapsible ergonomic tipping chair of claim 1, further comprising a latch means on the brace surface of the pivot seat for engaging and disengaging the seat end of the pivot strut from the latch. 11. The portable, collapsible ergonomic tipping chair of claim 10, wherein the latch means on the brace surface of the pivot seat further comprises a latch lip and latch bore extending from the latch lip under the brace surface in a direction away from the brace surface of the pivot seat, wherein the seat end of the pivot strut defines a slotted bird's-mouth tip configured so that the slot of the slotted bird's-mouth tip engages the latch lip, an upper portion of the slotted bird's-mouth tip passes into the latch bore beyond the latch lip and a lower portion of the slotted bird's-mouth tip extends beyond the latch, lip, toward a leading edge of the pivot seat, so that a force applied to the seating surface of the pivot seat and in a direction perpendicular to seating surface and toward the bottom end of the main strut locks the slotted bird's-mouth tip between the latch lip and the latch bore, and so that an opposed force applied to the brace surface in a direction away from the bottom end of the main strut pivots the pivot seat away from the seat end of the pivot strut thereby unlocking the slotted birds-mouth tip of the seat end of the pivot strut from the latch. 12. The portable, collapsible ergonomic tipping chair of claim 10, wherein the latch means on the brace surface of the pivot seat further comprises a dovetail latch that includes a latch bore extending under the brace surface and includes a mortise cavity extending under the brace surface from the latch bore in a direction toward a leading edge of the pivot seat, wherein the seat end of the pivot strut includes a tenon projection configured so that the tenon projection slides into secure the mortise cavity to secure the seat end of the pivot strut against removal from the dovetail latch by a force on the pivot seat in a direction of the top end of the main strut. 13. The portable, collapsible ergonomic tipping chair of claim 1, wherein the prop end of the pivot strut includes an expansion shoe, for contacting a surface upon which the tipping chair is supported, the expansion shoe defining a cross-sectional surface area parallel to a plane perpendicular to a longitudinal axis of the pivot strut that is between about one hundred percent and about three hundred percent greater than a cross-sectional surface area of the pivot strut, which pivot strut cross-sectional area is parallel to a plane perpendicular to a longitudinal axis of the pivot strut, and wherein whenever the tipping chair is positioned in the stored configuration, the pivot strut is aligned within the pivot slot to be flush within the slot, while the expansion shoe pivots away from the pivot slot to be adjacent the bads surface of the main strut. 14. The portable, collapsible ergonomic tipping chair of claim 1 further comprising an expansion pivot foot secured to the bottom end of the main strut for contacting a surface upon which the tipping chair supported, the expansion pivot foot including a base defining a surface area parallel to a plane perpendicular to a longitudinal axis of the main strut that is between about three hundred percent and about six hundred percent greater than a cross-sectional surface area of the bottom end of the main strut, which bottom end of the main strut cross-sectional area is parallel to plane perpendicular to a longitudinal axis of the main strut, the expansion pivot foot defining a pivot trough above the base, and including a pivot dowel pivotally secured within the pivot trough and secured to the bottom end of the main strut to permit pivoting of the main strut while the base remains stationery relative to a surface upon which the tipping chair is supported. 15. The portable, collapsible ergonomic tipping chair of claim 1, further comprising a foot secured to the bottom end of the main strut, wherein the foot extends beyond at least one of opposed side edges of the bottom end of the main strut, wherein the foot is positioned to contact a surface upon which the tipping, chair is supported, wherein the foot defines at least a partial cylindrical outer surface contacting the surface upon which the tipping chair is supported to facilitate tipping of the chair, and wherein the foot includes a detachable expansion shoe having a base defining a surface area parallel to a plane perpendicular to a longitudinal axis of the main strut that is between about one hundred percent and about three hundred percent greater than a surface area of the portion of the partial cylindrical outer surface of the foot contacting the support surface, wherein the detachable expansion shoe defines pivot bore configured for being pivotally secured to at least one of the side edges of the foot. 16. The portable, collapsible ergonomic tipping chair of claim 1, wherein the main strut defines a wall-mount throughbore passing through an upper portion of the main strut, and wherein opposed side-edges of the main strut define at least one of curved edges, and curved edges with straight edges, wherein the opposed side-edges are configured in mirror-image association with each other. 17. The portable, collapsible ergonomic tipping chair of claim 1, wherein the pivot slot defines a first finger-grasp throughbore at a bottom end of the pivot slot, and a second finger-grasp throughbore at an opposed top end of the pivot slot, the finger-grasp throughbores defining voids facilitating movement of the pivot strut out and into the pivot slot, and the tipping chair further comprising a flexible carrying strap having a first dowel segment at a first end of the strap and a second dowel segment at an opposed second end of the strap, the first and second dowel segments being dimensioned to have, axial lengths longer than diameters of the finger-grasp throughbores, and the first and second dowel segments also dimensioned to have diameters shorter than the diameters of the finger-grasp throughbores, the first end of the strap being secured to a mid-section of the first segment and the second end the strap being secured to a mid-section of the second dowel segment. 18. A method of transitioning the portable, collapsible ergonomic tipping chair of claim 1 from the stored configuration to the seating configuration, comprising: a. pivoting the prop end of the pivot strut away from the back surface of the main strut while simultaneously pivoting the seat end of the pivot strut away from the front surface of the main strut;b. raising a leading edge of the pivot seat away from adjacent the front surface of the main strut by the pivoting of the seat end of the pivot strut so that the seat end of the pivot strut contacts and raises a leading edge seating surface, and aligning the seating surface of the pivot seat to the front surface of the main strut to be between about eighty degrees and about one-hundred degrees;c. moving the seat end of the pivot strut along the brace surface of the pivot seat from the leading edge toward a contact edge of the pivot seat; and,d. then, securing the seat end of the pivot strut to the latch on the brace surface of the pivot seat to secure the tipping chair in the seated configuration. 19. The method of claim 18, further comprising transitioning the portable, collapsible ergonomic tipping chair from the seated configuration to the stored configuration, by removing the seat end of the pivot strut from the latch, then pivoting the seat end of the pivot strut toward the bottom end of the main strut and into the pivot slot, and permitting the leading edge of the pivot seat to pivot toward the front surface of the main strut until the brace surface of the pivot seat Is aligned adjacent the front surface of the main strut near the bottom end of the main strut to thereby secure the tipping chair in the stored configuration.
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