Patents by Inventor Chuan-Chih Chang

Chuan-Chih Chang 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: 20250136051
    Abstract: A wiper blade includes a frame structure, a squeegee and a decorative cover structure. The frame structure includes a main frame, auxiliary frames and sub-frames. The auxiliary frames are rotatably connected two ends of the main frame. The sub-frames are loosely connected to two ends of the auxiliary frame. The sub-frames and the auxiliary frame are formed with inserting holes respectively. The squeegee is connected to each sub-frame. The decorative cover structure includes a main cover, auxiliary covers and sub-covers covering the main frame, the auxiliary frame and the sub-frame, respectively. Each auxiliary cover has an inserting bar protruded therefrom and correspondingly inserted into each inserting hole. Accordingly, no connection is formed between any two of the main cover, auxiliary covers and sub-covers so that the squeegee will not be obstructed or limited by the decorative cover structure when wiping on vehicle glass.
    Type: Application
    Filed: December 1, 2023
    Publication date: May 1, 2025
    Inventors: Che-Wei CHANG, Cheng-Kai YANG, Chuan-Chih CHANG
  • Publication number: 20250033600
    Abstract: A boneless wiper structure (10) for a wiper arm (3) includes a wiper blade (1) and a connection base assembly (2). The wiper blade (1) is provided with two positioning holes. The connection base assembly (2) includes a fixing base (21) and a joint base (22). The fixing base (21) is assembled to the wiper blade (1). Two positioning feet (211) extend from a bottom of the fixing base (21) for engagement with the two positioning holes (11). A top of the fixing base (21) includes a containing groove (212) and a first engagement groove (213) and a second engagement groove (214) arranged on a front side and a rear side of the containing groove (212). The joint base (22) is engaged with the containing groove (212). A block (221) extends from one end of the joint base (22) to engage with the first engagement groove (213).
    Type: Application
    Filed: July 24, 2023
    Publication date: January 30, 2025
    Inventors: Chuan-Chih CHANG, Che-Wei CHANG, Cheng-Kai YANG
  • Patent number: 12043219
    Abstract: This disclosure provides a sealed type windshield wiper structure (1). The carrying seat (20) is combined on the hooking seat (10). The carrying seat (20) includes a carrying board (21) and a carrying frame (22). The carrying board (21) includes a through slot (210), and the carrying frame (22) includes an accommodating slot (220). The elastic piece (30) is inserted in the through slot (210). The waterproof cover (40) includes a shell (41), an inner space (32) and an outer space (43) The carrying seat (20) is inserted in the inner space (42). The rubber wiper (50) includes a piercing strip (51) and a scraping strip (52). The piercing strip (51) is inserted in the outer space (43), and the scraping strip (52) is exposed from the waterproof cover (40) to configure the sealed type windshield wiper structure (1).
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: July 23, 2024
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Patent number: 12030462
    Abstract: This disclosure relates to an assembly structure of a windshield wiper. Abase includes a seat and a slot. A seat includes an accommodating space, a plurality of limiting grooves, a fastening portion and an elastic pressing piece. The slot is disposed on a bottom side of the seat for inserting a wiper blade. The linking set includes a seat plate. The seat plate includes a plurality of guiding blocks, a latch and an elastic arm. The latch is obliquely inserted into the seat and rotate to make the seat plate place in the accommodating space. The linking set is pushed by an external force to make the elastic arm move toward the fastening portion. The elastic arm is engaged with the fastening portion and abuts against the elastic pressing piece. The guiding blocks slide into the limiting grooves correspondingly.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: July 9, 2024
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Patent number: 11932207
    Abstract: A universal wiper base assembly structure includes a fastening base, a rear base, a combination base, and an outer cover. The fastening base includes a main body and a decorative cover. The main body has a coupling hole, an insertion slot, a protruding platform, a positioning protrusion, a first shaft hole, two limiting arc surfaces, and multiple engagement grooves. The decorative cover has a fastening slot. The rear base includes two contact blocks, a top abutting block, and two hooks. The combination base includes two side plates, a connection plate, an open groove and a second shaft hole. The outer cover includes a fastening block, an opening, and a third shaft hole. Accordingly, a variety of wiper driving arms may be positioned to the universal wiper base assembly structure, so as to improve the convenience in assembling and reduce an overall cost.
    Type: Grant
    Filed: March 21, 2023
    Date of Patent: March 19, 2024
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Patent number: 11801807
    Abstract: This disclosure is an end cap assembly structure. The elastic arms are inserted in the guiding shield. The wiper strip is inserted between the elastic arms. The end cap is adapted to sheathe the ends of the guiding shield and the elastic arms, and the wiper strip is exposed from the end cap. The end cap includes a shell, posts and blocks. The posts are disposed in the shell. The blocks are disposed on two sides of the shell. The elastic arms are combined with the guiding shield and the wiper strip, and inserted in the end cap. The posts clamp the clamping slots of the elastic arms, and the blocks snap the snapping holes of the elastic arms.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: October 31, 2023
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Publication number: 20230339433
    Abstract: This disclosure provides a sealed type windshield wiper structure (1). The carrying seat (20) is combined on the hooking seat (10). The carrying seat (20) includes a carrying board (21) and a carrying frame (22). The carrying board (21) includes a through slot (210), and the carrying frame (22) includes an accommodating slot (220). The elastic piece (30) is inserted in the through slot (210). The waterproof cover (40) includes a shell (41), an inner space (32) and an outer space (43) The carrying seat (20) is inserted in the inner space (42). The rubber wiper (50) includes a piercing strip (51) and a scraping strip (52). The piercing strip (51) is inserted in the outer space (43), and the scraping strip (52) is exposed from the waterproof cover (40) to configure the sealed type windshield wiper structure (1).
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Inventors: Che-Wei CHANG, Cheng-Kai YANG, Chuan-Chih CHANG
  • Patent number: 11766996
    Abstract: This disclosure provides a sealed type windshield wiper structure (1). The carrying seat (20) is combined on the hooking seat (10). The carrying seat (20) includes a carrying board (21) and a carrying frame (22). The carrying board (21) includes a through slot (210), and the carrying frame (22) includes an accommodating slot (220). The elastic piece (30) is inserted in the through slot (210). The waterproof cover (40) includes a shell (41), an inner space (32) and an outer space (43) The carrying seat (20) is inserted in the inner space (42). The rubber wiper (50) includes a piercing strip (51) and a scraping strip (52). The piercing strip (51) is inserted in the outer space (43), and the scraping strip (52) is exposed from the waterproof cover (40) to configure the sealed type windshield wiper structure (1).
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: September 26, 2023
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Patent number: 11760311
    Abstract: An assembling structure of wiper accessory seat includes an accessory seat and metal elastic sheets. The bottom portion of the accessory seat is formed with a recess, first fixing portions and second fixing portions. The first fixing portions and the second fixing portions are symmetrically disposed on two opposite sides of the recess and arranged spacedly in an upper-bottom manner. The metal elastic sheets are disposed with third fixing portions, separately inserted between the first fixing portions and the second fixing portions, and connected to the bottom portion of the accessory seat by the third fixing portions being positioned on the first fixing portions and the second fixing portions being positioned on the metal elastic sheets so as to simplify the assembling structure.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: September 19, 2023
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Publication number: 20230286468
    Abstract: An assembling structure of wiper accessory seat includes an accessory seat and metal elastic sheets. The bottom portion of the accessory seat is formed with a recess, first fixing portions and second fixing portions. The first fixing portions and the second fixing portions are symmetrically disposed on two opposite sides of the recess and arranged spacedly in an upper-bottom manner. The metal elastic sheets are disposed with third fixing portions, separately inserted between the first fixing portions and the second fixing portions, and connected to the bottom portion of the accessory seat by the third fixing portions being positioned on the first fixing portions and the second fixing portions being positioned on the metal elastic sheets so as to simplify the assembling structure.
    Type: Application
    Filed: November 15, 2022
    Publication date: September 14, 2023
    Inventors: Che-Wei CHANG, Cheng-Kai YANG, Chuan-Chih CHANG
  • Publication number: 20190210569
    Abstract: A wiper blade having a wiper strip, a primary frame and a pair of secondary frames. The primary frame may have a top side and opposite ends, a connection device capable of connecting the wiper blade to a wiper arm disposed on the top side of the primary frame, and a connection structure disposed on each of the opposite ends of the primary frame. Each secondary frame may have a central pivot connection portion and two leg portions extending from the central pivot connection portion, a pivot structure disposed on the central pivot connection portion of the secondary frames. The pivot structure may be a turn-buckle holder comprising two holder halves and a rivet wherein the rivet passes through the two holder halves and holds them together.
    Type: Application
    Filed: February 28, 2019
    Publication date: July 11, 2019
    Inventors: Vambi Raymundo Tolentino, Robert Peter Peers, Chuan-Chih Chang, Chih-Ming Yang
  • Patent number: 9415749
    Abstract: A general wiper connecting apparatus (1) comprises: a main body (10) formed with a penetrated hole (13) allowing a pivotal shaft (2a?) of a wiper driving arm (2, 2?, 2?) to be received; a head portion (20) formed with a positioning groove (21) at the location connected with the main body (10) for positioning the wiper driving arm (2, 2?, 2?); a tail portion (30) formed with a pair of elastic clamping pieces (31) for latching the wiper driving arm (2, 2?, 2?); and a pair of side boards (40) disposed at two sides of the main body (10), and respectively formed with a through hole (41) corresponding to the penetrated hole (13), and an insertion slit (400) is respectively formed between the pair of side boards (40) and the main body (10) for allowing the wiper driving arm (2, 2?, 2?) to be inserted.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: August 16, 2016
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Chih-Ming Yang, Chuan-Chih Chang
  • Publication number: 20160159323
    Abstract: A wiper blade having a wiper strip, a primary frame and a pair of secondary frames. The primary frame may have a top side and opposite ends, a connection device capable of connecting the wiper blade to a wiper arm disposed on the top side of the primary frame, and a connection structure disposed on each of the opposite ends of the primary frame. Each secondary frame may have a central pivot connection portion and two leg portions extending from the central pivot connection portion, a pivot structure disposed on the central pivot connection portion of the secondary frames. The pivot structure may be a turn-buckle holder comprising two holder halves and a rivet wherein the rivet passes through the two holder halves and holds them together.
    Type: Application
    Filed: February 16, 2016
    Publication date: June 9, 2016
    Inventors: Vambi Raymundo Tolentino, Robert Peter Peers, Chuan-Chih Chang, Chih0Ming Yang
  • Patent number: 9296362
    Abstract: A windshield wiper (1,1a) with an even pressing force is connected to a driving arm (2) and includes a primary wiper frame (10,10a), two auxiliary wiper frames (20,20a), connecting frames (30,30a), and a wiper blade (40,40a). The primary wiper frame (10,10a) includes a fixing base (11,11a) connected to the driving arm (2). The auxiliary wiper frames (20,20a) are disposed on both ends of the primary wiper frame (10,10a). Each auxiliary wiper frame (20,20a) includes an elastic piece (21,21a) and a pivotal base (22,22a) fixed to the elastic piece (21,21a) and pivotally connected to the primary wiper frame (10,10a). The connecting frames (30,30a) are evenly provided on each auxiliary wiper frame (20). Each connecting frame (30) includes a pressing piece (31,31a) and buckling brackets (32,32a). The wiper blade (40,40a) is disposed through the buckling brackets (32,32a) to be connected below the pressing piece (31,31a).
    Type: Grant
    Filed: December 14, 2014
    Date of Patent: March 29, 2016
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Chih-Ming Yang, Chuan-Chih Chang
  • Patent number: 9260083
    Abstract: An automobile wiper includes a fixed frame, a swing arm, a first pressing wing, a swing casing, a second pressing wing and a wiper blade. The fixed frame includes a fixed base and a fixed arm installed at the bottom of the fixed base, and the swing arm is pivotally coupled to a side of the fixed arm, and the first pressing wing is combined with an end of the swing arm, and the swing casing is coupled to the other end of the swing arm, and the second pressing wing is pivotally coupled to the swing casing, and the wiper blade is combined with the bottom of the first pressing wing and the second pressing wing, and the wiper blade is pressed by the first pressing wing and the second pressing wing and engaged flatly with a glass surface.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: February 16, 2016
    Assignee: SCAN TOP ENTERPRISE CO., LTD.
    Inventors: Chih-Ming Yang, Chuan-Chih Chang
  • Patent number: 9009910
    Abstract: A windshield wiper (1) with an even pressing force is connected to a driving arm (2) and includes a primary wiper frame (10), two auxiliary wiper frames (20), connecting frames (30), and a wiper blade (40). The primary wiper frame (10) includes a fixing base (11) connected to the driving arm (2). The auxiliary wiper frames (20) are disposed on both ends of the primary wiper frame (10). Each auxiliary wiper frame (20) includes an elastic piece (21) and a pivotal base (22) fixed to the elastic piece (21) and pivotally connected to the primary wiper frame (10). The connecting frames (30) are evenly provided on each auxiliary wiper frame (20). Each connecting frame (30) includes a pressing piece (31) and buckling brackets (32). The wiper blade (40) is disposed through the buckling brackets (32) to be connected below the pressing piece (31).
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: April 21, 2015
    Inventors: Chih-Ming Yang, Chuan-Chih Chang
  • Publication number: 20150096141
    Abstract: A windshield wiper (1,1a) with an even pressing force is connected to a driving arm (2) and includes a primary wiper frame (10,10a), two auxiliary wiper frames (20,20a), connecting frames (30,30a), and a wiper blade (40,40a). The primary wiper frame (10,10a) includes a fixing base (11,11a) connected to the driving arm (2). The auxiliary wiper frames (20,20a) are disposed on both ends of the primary wiper frame (10,10a). Each auxiliary wiper frame (20,20a) includes an elastic piece (21,21a) and a pivotal base (22,22a) fixed to the elastic piece (21,21a) and pivotally connected to the primary wiper frame (10,10a). The connecting frames (30,30a) are evenly provided on each auxiliary wiper frame (20). Each connecting frame (30) includes a pressing piece (31,31a) and buckling brackets (32,32a). The wiper blade (40,40a) is disposed through the buckling brackets (32,32a) to be connected below the pressing piece (31,31a).
    Type: Application
    Filed: December 14, 2014
    Publication date: April 9, 2015
    Inventors: Chih-Ming YANG, Chuan-Chih CHANG
  • Publication number: 20140215747
    Abstract: A general wiper connecting apparatus (1) comprises: a main body (10) formed with a penetrated hole (13) allowing a pivotal shaft (2a?) of a wiper driving arm (2, 2?, 2?) to be received; a head portion (20) formed with a positioning groove (21) at the location connected with the main body (10) for positioning the wiper driving arm (2, 2?, 2?); a tail portion (30) formed with a pair of elastic clamping pieces (31) for latching the wiper driving arm (2, 2?, 2?); and a pair of side boards (40) disposed at two sides of the main body (10), and respectively formed with a through hole (41) corresponding to the penetrated hole (13), and an insertion slit (400) is respectively formed between the pair of side boards (40) and the main body (10) for allowing the wiper driving arm (2, 2?, 2?) to be inserted.
    Type: Application
    Filed: January 10, 2014
    Publication date: August 7, 2014
    Applicant: DANYANG UPC AUTO PARTS CO.,LTD.
    Inventors: Chih-Ming YANG, Chuan-Chih CHANG
  • Patent number: D1044675
    Type: Grant
    Filed: August 7, 2023
    Date of Patent: October 1, 2024
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
  • Patent number: D1044676
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: October 1, 2024
    Assignee: DANYANG UPC AUTO PARTS CO., LTD.
    Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang