Fastening device for appending a piece of jewelry to a jewelry clasp or the like

• US 6,289,559 B1
• Filed: 01/03/2000
• Issued: 09/18/2001
• Est. Priority Date: 01/12/1999
• Status: Expired due to Fees

• Current Assignee: Erich Langer
• Original Assignee: Erich Langer
• Inventors: Langer, Erich
• Primary Examiner(s): Sakran, Victor N.
• Application Number:
  US09/476,513
• Time in Patent Office: 624 Days
• Field of Search: 24/68.J, 24/69.J, 24/70.J, 24/71.J, 241/16.A, 63/3, 63/7, 63/8
• US Class Current: 24/68.00J
• CPC Class Codes: A44C 11/002 Ornamental chains composed of pearls rosaries A44C23/00; making such chains D04D9/00
• CPC Class Codes: A44C 5/185 Attachment of fasteners to straps or chains
• CPC Class Codes: Y10T 24/2115 Jewelry
• CPC Class Codes: Y10T 24/2155 Jewelry-watch straps
• CPC Class Codes: Y10T 24/2166 Jewelry
• CPC Class Codes: Y10T 24/3904 Bead chain fasteners

Abstract

To achieve a safe and easy-to-handle connection, a fastening device for appending a piece of jewelry (1) to a jewelry clasp (2) or the like, which has a connecting piece (3) with a lug (6) attached in the vicinity of a surface indentation (4) for accommodating the end of a necklace or tie-on thread (7), is characterized in that of the lug (6) which is open at a point of separation (8) one of the end portions (9) on the side of the point of separation is fixed at the connecting piece (3) along the edge (5) of the surface indentation (4), and the other end portion (10) is bent up from the edge (5) of the surface indentation (4), that upon introducing a necklace or tie-on thread (7) through the expanded point of separation (8) the bent-up end portion (10) can be pressed down onto the edge (5) of the surface indentation (4), and that the clear inner width (a) of the lug (6) is smaller than the clear inner width (c) of the edge (5) of the indentation and smaller than the outer width (b) of the thickened end portion (11) to be pressed into the surface indentation (4).

Claims

1. A fastening device for appending a piece of jewelry (1) to a jewelry clasp (2) or the like, which has a connecting piece (3) with a lug (6) attached in the vicinity of a surface indentation (4) for accommodating the end of a necklace or tie-on thread (7), characterized in that of the lug (6) which is open at a point of separation (8) one of the end portions (9) on the side of the point of separation is fixed at the connecting piece (3) along the edge (5) of the surface indentation (4), and the other end portion (10) is bent up from the edge (5) of the surface indentation (4), that upon introducing a necklace or tie-on thread (7) through the expanded point of separation (8) the bent-up end portion (10) can be pressed down onto the edge (5) of the surface indentation (4), and that the clear inner width (a) of the lug (6) is smaller than the clear inner width (c) of the edge (5) of the indentation and smaller than the outer width (b) of the thickened end portion (11) to be pressed into the surface indentation (4).

2. The fastening device as claimed in claim 1, characterized in that when appending a knotted pearl necklace (1) to a jewelry clasp (2), the knot (12) after the last pearl (13) is itself provided as a thickened end portion (11) of the necklace thread (7).

3. The fastening device as claimed in claim 1, characterized in that anchoring parts (14) adhered or clamped to the thread end form the thickened end portion (11).