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).
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Patent number: 11932207Abstract: 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: GrantFiled: March 21, 2023Date of Patent: March 19, 2024Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
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Patent number: 11801807Abstract: 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: GrantFiled: October 18, 2022Date of Patent: October 31, 2023Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
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Publication number: 20230339433Abstract: 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: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Inventors: Che-Wei CHANG, Cheng-Kai YANG, Chuan-Chih CHANG
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Patent number: 11766996Abstract: 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: GrantFiled: April 22, 2022Date of Patent: September 26, 2023Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
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Patent number: 11760311Abstract: 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: GrantFiled: November 15, 2022Date of Patent: September 19, 2023Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Che-Wei Chang, Cheng-Kai Yang, Chuan-Chih Chang
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Publication number: 20230286468Abstract: 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: ApplicationFiled: November 15, 2022Publication date: September 14, 2023Inventors: Che-Wei CHANG, Cheng-Kai YANG, Chuan-Chih CHANG
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Publication number: 20190210569Abstract: 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: ApplicationFiled: February 28, 2019Publication date: July 11, 2019Inventors: Vambi Raymundo Tolentino, Robert Peter Peers, Chuan-Chih Chang, Chih-Ming Yang
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Patent number: 9415749Abstract: 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: GrantFiled: January 10, 2014Date of Patent: August 16, 2016Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Publication number: 20160159323Abstract: 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: ApplicationFiled: February 16, 2016Publication date: June 9, 2016Inventors: Vambi Raymundo Tolentino, Robert Peter Peers, Chuan-Chih Chang, Chih0Ming Yang
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Patent number: 9296362Abstract: 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: GrantFiled: December 14, 2014Date of Patent: March 29, 2016Assignee: DANYANG UPC AUTO PARTS CO., LTD.Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Patent number: 9260083Abstract: 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: GrantFiled: January 10, 2013Date of Patent: February 16, 2016Assignee: SCAN TOP ENTERPRISE CO., LTD.Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Patent number: 9009910Abstract: 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: GrantFiled: October 26, 2011Date of Patent: April 21, 2015Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Publication number: 20150096141Abstract: 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: ApplicationFiled: December 14, 2014Publication date: April 9, 2015Inventors: Chih-Ming YANG, Chuan-Chih CHANG
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Publication number: 20140215747Abstract: 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: ApplicationFiled: January 10, 2014Publication date: August 7, 2014Applicant: DANYANG UPC AUTO PARTS CO.,LTD.Inventors: Chih-Ming YANG, Chuan-Chih CHANG
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Publication number: 20140189974Abstract: 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 attached flatly onto a glass surface.Type: ApplicationFiled: January 10, 2013Publication date: July 10, 2014Applicant: SCAN TOP ENTERPRISE CO., LTD.Inventors: Chih-Ming YANG, Chuan-Chih CHANG
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Patent number: 8650701Abstract: A connecting assembly (10) for a windshield wiper (10) includes a fixing member (11) and a supporting arm (12). The connecting assembly (20) includes a pivoting base (21) and a cover cap (22). The pivoting base (21) comprises an engaging portion (211) , a first insertion portion (212) and a second insertion portion (213) extending from the engaging portion (211) in opposite directions. The engaging portion (211) is engaged with the fixing member (11). The first insertion portion (212) and the second insertion portion (213) are symmetrical to each other with respect to the engaging portion (211). The cover cap (22) is assembled with the supporting arm (12) and put outside the first insertion portion (212) and the second insertion portion (213) in dual directions. Since the first insertion portion (212) and the second insertion portion (213) are configured to be symmetrical to each other, the supporting arm (12) can be firmly connected to the windshield wiper (10) with a changeable connecting direction.Type: GrantFiled: February 11, 2011Date of Patent: February 18, 2014Assignee: Danyang UPC Auto Parts Co., Ltd.Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Patent number: 8601636Abstract: A windshield wiper combining assembly assembles a driven wiper arm having a through shaft on a windshield wiper fixing stage. The windshield wiper combining assembly includes an assembling stage and a retaining stage. The assembling stage engages on the windshield wiper fixing stage. The assembling stage has a first fastening arm, a containing groove formed at one side edge of the assembling stage to contain the through shaft, and an engaging groove arranged at one side edge of the containing groove. The retaining stage has a cover cap and a block which projects on an end surface of the cover cap. The retaining stage is combined on the assembling stage by fastening the first fastening arm. The block is plunged into the engaging groove and the cover cap is pressed on the containing groove to prevent loose attachment of the through shaft.Type: GrantFiled: December 2, 2011Date of Patent: December 10, 2013Assignee: Danyang UPC Auto Parts Co., Ltd.Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Patent number: 8413292Abstract: A windshield wiper assembling structure for preventing loose attachment of a driven wiper arm assembles the driven wiper arm having a hook arm on a windshield wiper fixing stage. The windshield wiper assembling structure includes an assembling stage and a positioning stage. The assembling stage has a through groove, an elastic blocking slice, and a first fastening groove which is formed at one side edge of the elastic blocking slice. The first fastening groove fastens on the windshield wiper fixing stage. The assembling stage has a containing groove on a top surface thereof to accommodate the hook arm. The positioning stage has a cover cap and a positioning arm which is extended from the cover cap. The positioning arm has a second fastening groove corresponding to the first fastening groove. The second fastening groove fastens on the windshield wiper fixing stage and corresponding to the first fastening groove.Type: GrantFiled: December 4, 2011Date of Patent: April 9, 2013Inventors: Chih-Ming Yang, Chuan-Chih Chang
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Publication number: 20130007976Abstract: A windshield wiper combining assembly assembles a driven wiper arm having a through shaft on a windshield wiper fixing stage. The windshield wiper combining assembly includes an assembling stage and a retaining stage. The assembling stage engages on the windshield wiper fixing stage. The assembling stage has a first fastening arm, a containing groove formed at one side edge of the assembling stage to contain the through shaft, and an engaging groove arranged at one side edge of the containing groove. The retaining stage has a cover cap and a block which projects on an end surface of the cover cap. The retaining stage is combined on the assembling stage by fastening the first fastening arm. The block is plunged into the engaging groove and the cover cap is pressed on the containing groove to prevent loose attachment of the through shaft.Type: ApplicationFiled: December 2, 2011Publication date: January 10, 2013Inventors: Chih-Ming YANG, Chuan-Chih Chang
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Publication number: 20120317740Abstract: A windshield wiper assembling structure for preventing loose attachment of a driven wiper arm assembles the driven wiper arm having a hook arm on a windshield wiper fixing stage. The windshield wiper assembling structure includes an assembling stage and a positioning stage. The assembling stage has a through groove, an elastic blocking slice, and a first fastening groove which is formed at one side edge of the elastic blocking slice. The first fastening groove fastens on the windshield wiper fixing stage. The assembling stage has a containing groove on a top surface thereof to accommodate the hook arm. The positioning stage has a cover cap and a positioning arm which is extended from the cover cap. The positioning arm has a second fastening groove corresponding to the first fastening groove. The second fastening groove fastens on the windshield wiper fixing stage and corresponding to the first fastening groove.Type: ApplicationFiled: December 4, 2011Publication date: December 20, 2012Inventors: Chih-Ming YANG, Chuan-Chih Chang