Abstract: A high-seat folding chair includes two pairs of front legs and rear legs pivotally connected with each other so as to be operable to unfold or fold the folding chair. When unfolded, each of the front legs and the rear legs form an angle relative to a horizontal plane. A footrest is mounted between the two front legs. Two opposite portions of the footrest bend symmetrically in a horizontal direction to form horizontal portions, respectively. The two horizontal portions further bend upward to form inclined extensions, and a portion of each inclined extensions forms a flat portion. An angle defined between the inclined extension and the horizontal portion is equal to an angle defined between the front leg and the horizontal plane. The inclined extensions of the footrest are respectively affixed with the two front legs, such that the footrest is mounted in horizontal.

Abstract: A disassemblable hanging cart for folding chair includes a chassis, two standing poles, two reinforcement sets, and multiple hanging racks, bolts and pad sets. The chassis includes a plurality of caster sets. The two standing poles are vertically and symmetrically erected on opposite positions of the chassis. Each reinforcement set is provided between one of the two standing poles and the chassis for reinforcing the connection strength therebetween. Each hanging rack includes a cross beam, and a plurality of hanging bars for hanging folding chairs. The bolts connect the cross beams with the hanging bars. The pad sets are mounted to the hanging bars to prevent the folding chairs from falling off from the hanging cart. The hanging cart can be easily assembled, and when the hanging cart is not in use, it can be disassembled and packed in a minimum size.

Abstract: A high-seat folding chair includes two pairs of front legs and rear legs pivotally connected with each other so as to be operable to unfold or fold the folding chair. When unfolded, each of the front legs and the rear legs form an angle relative to a horizontal plane. A footrest is mounted between the two front legs. Two opposite portions of the footrest bend symmetrically in a horizontal direction to form horizontal portions, respectively. The two horizontal portions further bend upward to form inclined extensions, and a portion of each inclined extensions forms a flat portion. An angle defined between the inclined extension and the horizontal portion is equal to an angle defined between the front leg and the horizontal plane. The inclined extensions of the footrest are respectively affixed with the two front legs, such that the footrest is mounted in horizontal.

Abstract: A portable chair has a mechanism for self folding up and cushioning a seat. The mechanism includes a tension spring assembled between a seat frame and a rear leg for collapsing the seat, and a cushioning pad affixed on the rear leg. The tension spring has first and second hook elements disposed on different orientations and engaged with holes. The hook elements are easy to install, and reduce the risk of disengagement after assembly. The length of the spring is substantially equal to the length of the space in which it is assembled, so that it is not excessively stretched during assembly, thereby preventing spring fatigue. The cushioning pad is integrally formed and includes retainer and insert portions through which it is affixed with the rear leg, and a cushion portion that can absorb noise and vibration when the seat is collapsed.

Abstract: A portable chair has a mechanism for self folding up and cushioning a seat. The mechanism includes a tension spring assembled between a seat frame and a rear leg for collapsing the seat, and a cushioning pad affixed on the rear leg. The tension spring has first and second hook elements disposed on different orientations and engaged with holes. The hook elements are easy to install, and reduce the risk of disengagement after assembly. The length of the spring is substantially equal to the length of the space in which it is assembled, so that it is not excessively stretched during assembly, thereby preventing spring fatigue. The cushioning pad is integrally formed and includes retainer and insert portions through which it is affixed with the rear leg, and a cushion portion that can absorb noise and vibration when the seat is collapsed.

Abstract: A seat self-lifting device for a portable chair is mounted between a seat frame and a front leg of the portable chair. The seat self-lifting device includes a rotary axle, a spiral spring and a fixing rod. The rotary axle passes through the front leg and connects with a connecting plate mounted on the seat frame. The fixing rod is perpendicularly disposed on the front leg. The spiral spring has a first end connected with the rotary axle and a second end wrapped around the fixing rod. When the seat is deployed, the rotary axle is rotated along a direction and the spiral spring is deformed to accumulate a resilient force. When the user leaves the seat, the resilient force of the spiral spring rotates the rotary axle along a reverse direction for flipping the seat to a collapsed state.

Abstract: A seat self-lifting device for a portable chair is mounted between a seat frame and a front leg of the portable chair. The seat self-lifting device includes a rotary axle, a spiral spring and a fixing rod. The rotary axle passes through the front leg and connects with a connecting plate mounted on the seat frame. The fixing rod is perpendicularly disposed on the front leg. The spiral spring has a first end connected with the rotary axle and a second end wrapped around the fixing rod. When the seat is deployed, the rotary axle is rotated along a direction and the spiral spring is deformed to accumulate a resilient force. When the user leaves the seat, the resilient force of the spiral spring rotates the rotary axle along a reverse direction for flipping the seat to a collapsed state.

Abstract: A disassemblable folding chair hanging cart is provided. The disassemblable folding chair hanging cart includes a chassis, two standing poles, two reinforcement sets, and a plurality of hanging racks. The chassis includes a plurality of caster sets distributed in different positions of the chassis for providing a stable support for the disassemblable folding chair hanging cart. The two standing poles are vertically and symmetrically erected on opposite positions of the chassis. Each reinforcement set is provided between one of the two standing poles and the chassis for reinforcing the connection strength therebetween. Each hanging rack includes a cross beam, and a plurality of hanging bars for hanging a plurality of folding chairs. The disassemblable folding chair hanging cart can be conveniently assembled from independent parts, and when an empty folding chair hanging cart is to be stored or delivered, it can be disassembled and packed in a minimum size.

Abstract: A foldable chair has an armrest retracting structure that includes two plate elements placed below each armrest, each plate element having a guide slot with a linear section and a reverse turn section. A first pivotal axle passes through the plate elements and connects with the front leg frame. A support beam has an end through which a second pivotal axle is mounted, the second pivotal axle being connected with the front leg frame. An opposite end of the support beam is secured in the slots through a bolt. By moving the support beam, the armrest can be deployed or retracted. When the bolt is lodged in the reverse turn section, the armrest can be locked in the deployed position.

Abstract: A seat frame for a folding chair includes a U-shaped front frame, a linear rear frame and a seat cushion. The front frame has a first support surface between an upper surface and a lower surface of the front frame, the first support surface having a contour the same as that of the front frame. The rear frame has a second support surface between an upper surface and a lower surface of the rear frame, the second support surface having a contour the same as that of the rear frame. The seat cushion is clamped between the first and second support surfaces in a horizontal position. The peripheral edges of the seat cushion are thereby in tight contact with the first and second support surfaces. Brackets are then used to connect the front frame and the rear frame that surround the seat cushion therein.

Abstract: A seat frame for a folding chair includes a U-shaped front frame, a linear rear frame and a seat cushion. The front frame has a first support surface between an upper surface and a lower surface of the front frame, the first support surface having a contour the same as that of the front frame. The rear frame has a second support surface between an upper surface and a lower surface of the rear frame, the second support surface having a contour the same as that of the rear frame. The seat cushion is clamped between the first and second support surfaces in a horizontal position. The peripheral edges of the seat cushion are thereby in tight contact with the first and second support surfaces. Brackets are then used to connect the front frame and the rear frame that surround the seat cushion therein.

Abstract: A seat frame for a folding chair includes a support rail of an increased size that extends from a bottom edge of the seat frame toward a central area of the seat frame. The support rail is used for placing a seat cushion of the folding chair thereon. A plurality of through-holes is formed on the support rail, and a plurality of threaded holes is formed through a bottom of the seat cushion corresponding to the through-holes. When the seat cushion is placed on the support rail, the threaded holes are in alignment with the through-holes, and a plurality of fasteners are engaged via the through-holes with the threaded holes so as to directly fix the seat cushion on the support rail of the seat frame. The strength of the seat cushion for sustaining a load can be thereby enhanced.

Abstract: A foldable chair has an armrest retracting structure that includes two plate elements placed below each armrest, each plate element having a guide slot with a linear section and a reverse turn section. A first pivotal axle passes through the plate elements and connects with the front leg frame. A support beam has an end through which a second pivotal axle is mounted, the second pivotal axle being connected with the front leg frame. An opposite end of the support beam is secured in the slots through a bolt. By moving the support beam, the armrest can be deployed or retracted. When the bolt is lodged in the reverse turn section, the armrest can be locked in the deployed position.

Abstract: A folding super chair includes a front leg frame, a backrest, a backrest frame and a ganging device. The backrest frame has a contour corresponding to an upper inner portion of the front leg frame and an L-shaped cross section. The backrest frame is disposed between the front leg frame and the backrest. The backrest is placed on the backrest frame, which relieve stress. Thus, a ridge of the backrest does not deform, and the backrest is securely fixed on the folding super chair. The ganging device includes a main member, a slot fastener and a knob fastener. The main member has a front face, a rear face and two side faces. The rear face is larger than the front face, and therefore the two side faces form an included angle therebetween. When the folding super chairs are lined up and connected by the ganging device, the folding super chairs form a curved row.

Abstract: A cart for folding chairs includes a frame having a base and a plurality of frame pieces. The base includes at least two racks having a plurality of notches. The notches on the racks are corresponding to each other. Legs of the folding chairs are received in the notches, thereby holding the folding chairs vertical and closely adjacent to and parallel to each other. The base may further include at least two grooves to receive the racks. Moreover, for the convenience of loading and unloading the folding chairs, at least one of the frame pieces in a lengthwise direction is configured as a removable piece. The opposing frame pieces in a widthwise direction include pads to prevent the folding chairs from bumping into the frame pieces.

Abstract: A ganging device for connecting folding chairs and enlarging a gap between chairs includes a main member, a slot fastener and a knob fastener. A first frame side of the main member includes a fixing element and an engaging protrusion, and a second frame side of the main member includes a frame slot having a neck portion. The slot fastener, which includes an engaging slot having a neck portion, is mounted on a first side of the chair. The knob fastener, which has an engaging knob, is mounted on a second side of the chair. The fixing element and the engaging knob are engaged with the neck portions of the slot fastener and the main member, respectively. The engaging protrusion is fitted into the engaging slot. Therefore, the chairs are connected and a gap between connected chairs is provided to offer comfortable seating.

Abstract: Leg caps for a folding chair are mounted at lower ends of front legs and rear legs. A cross section of the front leg is the same as that of the rear leg. The leg includes a strip and two curved edges disposed at both sides of the strip respectively. The leg cap includes a pad and a slanted fixing portion disposed on a top of the pad. The fixing portion has a slit to divide the fixing portion into two sections. The top of the pad includes two cavities disposed at two sides of the fixing portion respectively. Lower ends of the curved edges of leg are fitted in and fully contacted with the cavities. Then, the fixing portion and the strip are riveted together, thereby connecting the leg cap with the leg.

Abstract: A leg frame of a chair having a decoration strip engaged therein includes the leg frame and the decoration strip. The leg frame includes a frame base, two curved ridges respectively disposed at both edges of the frame base, and an engaging groove formed between the frame base and the curved ridges. An inner lower side of each curved ridge is slanted to form an acute corner between the frame base and the curved ridge. The decoration strip corresponding to the engaging groove is fitted in the engaging groove. The decoration strip includes a bottom surface, two concave side surfaces, and two extended ribs respectively disposed between the bottom surface and the side surfaces. When the decoration strip is engaged with the leg frame, the ribs are respectively engaged with the acute corners and the side surfaces are respectively in contact with the curved ridges.