Patents by Inventor Tian-Xia Zheng
Tian-Xia Zheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240190492Abstract: A folding pushcart, comprising a foldable cart body frame and a storage bag. The two sides of the body frame are hinged by two groups of first slanting rods and second slanting rods intersecting in the middle. The first diagonal rods in the corresponding groups on both sides are bent from a rod, and the bent bottom rod section faces the front and rear ends. The bottom rod section is used to support and tighten the bottom of the storage bag. The front and rear facades and the middle of the cart body frame are hinged by three U-shaped columns, and support the upper edge of the storage bag, forming a whole structure that can be folded and unfolded.Type: ApplicationFiled: December 12, 2022Publication date: June 13, 2024Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20240059332Abstract: A pushcart consisting of a folded and unfolded body frame and a storage bag enveloped on the body frame, whereas the body frame, including rigid left frame and right frame, and hinges that link left and right frames, front and rear ends, which form the whole body with left and right frames that can collide and be folded and unfolded, and the upper mouth and bottom of the bag can be opened by unfolded left and right frames.Type: ApplicationFiled: August 22, 2022Publication date: February 22, 2024Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20230232984Abstract: A backrest armrest linkage assembly and folding chair frame; the backrest armrest linkage assembly includes a backrest bar and a armrest bar, wherein the middle section of the backrest bar is hinged on the rear support shaft behind the chair, and the lower end is constrained in the guide sleeve. The front section of the armrest bar is positioned on the front support shaft in front of the chair through the chute seat, and the rear end section is hinged to the lower section of the backrest bar, which can draw and restrain the swing angle of the backrest bar, and thus constitute a folding chair frame with adjustable backrest.Type: ApplicationFiled: January 26, 2022Publication date: July 27, 2023Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20230184001Abstract: A damping positioning device and a sunshade awning is provided. The damping positioning device comprises a fixing member and a damping member rotatably hinged on the fixing member. The damping member is provided with a curved slot or curved hole which allows for a rod to pass through and has the function of damping positioning. The damping positioning device is adopted to position the oblique rods in the sunshade awning which plays an adjustment role, in order to make sliding-based adjustment and self-positioning, and realize the purposes of adjusting the sunshade angle and folding the sunshade awning.Type: ApplicationFiled: December 10, 2021Publication date: June 15, 2023Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Patent number: 11659932Abstract: A folding swing chair support, which comprises: two long rod sets formed by cross-hinging two long rods and two short rod sets formed by cross-hinging two short rods. The two long rod sets stand on the front and rear facades, respectively, and the two sides are hinged by short rod sets to form an associated support as a whole; the upper ends of the two long rods in the long rod sets form suspension points, and the lower ends thereof function to support on the ground. The utility model is characterized by ingenious conception, stable structure, folding and unfolding linkage, and smooth operation.Type: GrantFiled: September 17, 2021Date of Patent: May 30, 2023Assignee: Zenithen USA, LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20230092646Abstract: A folding swing chair support, which comprises: two long rod sets formed by cross-hinging two long rods and two short rod sets formed by cross-hinging two short rods. The two long rod sets stand on the front and rear facades, respectively, and the two sides are hinged by short rod sets to form an associated support as a whole; the upper ends of the two long rods in the long rod sets form suspension points, and the lower ends thereof function to support on the ground. The utility model is characterized by ingenious conception, stable structure, folding and unfolding linkage, and smooth operation.Type: ApplicationFiled: September 17, 2021Publication date: March 23, 2023Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20230001973Abstract: A folding push cart that includes a cart body frame and a storage bag. The front, rear, left, and right vertical surfaces of the cart body frame each includes more than one set of cross-hinged diagonal rods. The bottom of the cart body frame is hinged on the hinge base. The bottom plane of the cart body frame is supported by two left and right folding rod groups, which are hinged on the horizontal slot of the hinge seat on the front and rear vertical surfaces. When opened in place, it can be supported, and it also has a correcting effect on the hinge seat.Type: ApplicationFiled: June 24, 2021Publication date: January 5, 2023Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Patent number: 11457741Abstract: A folding swivel chair support frame, which includes a seat frame and a chair leg frame; and the seat frame includes a U-shaped first support rod, a second support rod, and a cushion rod that are hinged to each other, and a foldable connection is formed by a turntable and a shaft rod that is locked on the first support rod. The seat frame is inserted into the guide tube of the chair leg frame by means of the shaft rod to form a docking position with the chair leg frame, and the turntable on the seat frame abuts against the support plate of the chair leg frame to from a rotatable load-bearing support.Type: GrantFiled: February 25, 2021Date of Patent: October 4, 2022Assignee: Zenithen USA, LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Patent number: 11452367Abstract: A folding table, the supporting part of which includes an upper connecting plate, a lower connecting plate, a tabletop support rod, a connecting rod and a ground support rod. One end of the tabletop support rod used to support the tabletop fabric and is hinged on the lower connecting plate, and the connecting rod is associated with the tabletop support rod and the upper connecting plate, and a shaft rod is arranged between the upper and lower connecting plates. The ground support rod passes through a slide bushing positioned on the tabletop support rod, and the upper end is hinged on the upper connecting plate or the connecting rod. The support rod of the tabletop opens to support the whole structure.Type: GrantFiled: June 24, 2021Date of Patent: September 27, 2022Assignee: Zenithen USA, LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20220265048Abstract: A folding swivel chair support frame, which includes a seat frame and a chair leg frame; and the seat frame includes a U-shaped first support rod, a second support rod, and a cushion rod that are hinged to each other, and a foldable connection is formed by a turntable and a shaft rod that is locked on the first support rod. The seat frame is inserted into the guide tube of the chair leg frame by means of the shaft rod to form a docking position with the chair leg frame, and the turntable on the seat frame abuts against the support plate of the chair leg frame to from a rotatable load-bearing support.Type: ApplicationFiled: February 25, 2021Publication date: August 25, 2022Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20220240684Abstract: A folding bed frame includes four vertical faces: two ends and two sides. Each face is formed by two slanting bars that are cross hinged together. The upper and lower ends of adjacent slanting bar sets are hinged together to form the whole frame structure. The two vertical faces are corresponding or symmetric, and each includes two sets of slanting bar sets that are hinged through to middle sections of the upper and lower angle plates. There is a vertical rod part on the cross-hinging point of each set of slanting bar set, and its movable position is set by a slide bushing. There is a barrier that is on the cross-hinging point of one of the slanting bars. The barrier can contact the upper part vertical bar, and form two support points with the slide bushing for the vertical bar part.Type: ApplicationFiled: February 2, 2021Publication date: August 4, 2022Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Patent number: 11131112Abstract: An expandable canopy tent frame includes two sets of four-bar linkage with overlapping and staggered central axial lines. The central axial hinge point and the side edge hinge point of the two linkage sets are aligned. The central axial hinge points have a lateral bar. The two ends of the lateral bar pass through the slide bushings on the side edge hinge points, and the slide bushings form the support with both sides of the lateral bar. The main structure has at least one fixed end and can be fixed on objects by utilizing that fixed end.Type: GrantFiled: February 19, 2020Date of Patent: September 28, 2021Assignee: Zenithen USA, LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20210260920Abstract: A braking caster is provided that includes casters, a frame, braking plates, and springs. One end of a spring is hung on to the spring hook of the brake plate, and the other end is hung on to the frame. As the unstable status is caused by the spring swinging with the brake plate to the position of the rivet, the manually driven brake handle bypasses the unstable status, and can achieve stable braking and released statuses.Type: ApplicationFiled: February 24, 2020Publication date: August 26, 2021Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20210259430Abstract: A folding bed frame that includes four vertical faces: two ends and two sides. Each face is formed by two slanting bars that are cross hinged together. The upper and lower ends of adjacent slanting bar sets are hinged together to form the whole frame structure. The two vertical faces are corresponding or symmetric, and each includes two sets of slanting bar sets that are hinged through to middle sections of the upper and lower angle plates. There is a vertical rod part on the cross-hinging point of each set of slanting bar set, and its movable position is set by a slide bushing. There is a barrier that is on the cross-hinging point of one of the slanting bars. The barrier can contact the upper part vertical bar, and form two support points with the slide bushing for the vertical bar part.Type: ApplicationFiled: February 24, 2020Publication date: August 26, 2021Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20210254364Abstract: An expandable canopy tent frame includes two sets of four-bar linkage with overlapping and staggered central axial lines. The central axial hinge point and the side edge hinge point of the two linkage sets are aligned. The central axial hinge points have a lateral bar. The two ends of the lateral bar pass through the slide bushings on the side edge hinge points, and the slide bushings form the support with both sides of the lateral bar. The main structure has at least one fixed end and can be fixed on objects by utilizing that fixed end.Type: ApplicationFiled: February 19, 2020Publication date: August 19, 2021Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20210145180Abstract: A chair leg bridge connector is shown. The bridge connector is made of stamp-molded steel plate. Two sets of curve sections face the same direction. The two bent surfaces of each set are parallel, and through hole is provided for rivet or axis to pass through. The through hole axial lines of the two sets of curve sections have a corner angle to allow bridge positioning of the two facade supporting frames. Butterfly chairs that use this type of bridge connector with reinforcement warp plate at the tube hinging spot can be directly formed using lighter tubes to make the structure more mobile.Type: ApplicationFiled: November 19, 2019Publication date: May 20, 2021Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Patent number: 11000128Abstract: A horizontal moving & rocking appliance and chair includes a ground piece, mid and rear rollers eccentrically positioned at a mid and rear ends of ground pieces, synchronous link rods hinged between mid and rear rollers. In stationary state, the mid roller positioning shaft is in a forward rolling lower position while the rear roller positioning shaft is in a backward rolling higher position, and these together with the fore ends of ground pieces form a three-ground point; A horizontal moving & rocking chair includes a chair and horizontal moving & rocking appliance mounted on both sides of legs.Type: GrantFiled: July 26, 2019Date of Patent: May 11, 2021Assignee: Zenithen USA, LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20210127837Abstract: A webbing seat and seat body include a hem and seat section. A seat body is fixed to armrest through hem. A sitting section includes cushion and backrest and material of cushion is same as that of hem. A backrest is composed of webbing with one end sewn to hem and the other to cushion's edge. A front edge of cushion is sewn to hem and back edge suspended through webbing to take shape of stretching backrest.Type: ApplicationFiled: October 30, 2019Publication date: May 6, 2021Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Publication number: 20210112986Abstract: A folding chair that includes a frame and seat and back fabric supported by the frame. The frame includes primary leg frames and secondary leg frames that cross-hinge on both sides, and the lower sections hinge to a pair of backrest bars of the secondary leg frames. There is a support ring or armrest bars at the hinges between the primary leg bars and the backrest bars to form traction to the backrest bars and to provide armrest function.Type: ApplicationFiled: October 18, 2019Publication date: April 22, 2021Inventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng
-
Patent number: 10913477Abstract: A roller component and trolley. The trolley component includes the positioning seat, braking part, and roller that are respectively installed on the guiding shaft. The end of the shaft ring is cam surface, putting or relieving pressured to the end of the rollers when bring rotated, forming the braking structure; the trolley includes front bar, rear bar, bottom bar, handle bar, and flexible bag. The roller components are installed on the two sides of the guiding shaft under the rear bar, providing support and facilitating braking of the trolley.Type: GrantFiled: February 21, 2019Date of Patent: February 9, 2021Assignee: Zenithen USA, LLCInventors: Andrew David Frankel, Shi-Ping Zheng, Tian-Xia Zheng