Paper clip

• US 4,506,416 A
• Filed: 02/09/1983
• Issued: 03/26/1985
• Est. Priority Date: 02/09/1983
• Status: Expired due to Term

• Current Assignee: King JIM Company Limited
• Original Assignee: King JIM Company Limited
• Inventors: Ohminato, Kiyoshi, Miyamoto, deceased, Kenzo
• Primary Examiner(s): Sakran, Victor N.
• Application Number:
  US06/465,289
• Time in Patent Office: 776 Days
• Field of Search: 24/67 R, 24/67.1, 24/67.3, 24/67.5, 24/67.7, 24/67.9, 24/67.11, 24/489, 24/545, 24/346
• US Class Current: 24/67.00R
• CPC Class Codes: B42F 1/10 non-metallic
• CPC Class Codes: Y10T 24/20 Paper fastener
• CPC Class Codes: Y10T 24/204 Pivotally mounted on pintle
• CPC Class Codes: Y10T 24/205 One piece
• CPC Class Codes: Y10T 24/44291 including pivoted gripping member
• CPC Class Codes: Y10T 24/44769 Opposed engaging faces on gripping member formed from single piece of resilient material

Abstract

A paper clip characterized in that it is substantially formed of a hard synthetic resin such as hard vinyl chloride, and in that an arched movable member, a bottom plate and a connector plate are formed as one piece capable of being extruded in its entirety, and the paper-engaging end of said movable member and the central portion of said connector plate are formed of a soft synthetic resin such as soft vinyl chloride.

Claims

1. A paper clip comprising a unitary flat bottom member having a paper engaging end and a handle end, a convexly arcuate movable top member having a paper-engaging end and a handle end, and an arcuate web joining the top and bottom members intermediate their ends, said top and bottom members being normally biased such that said paper-engaging ends are in contact with each other, said paper-engaging end of said top member and the central portion of said web being formed of a soft synthetic resin, the remainder of said paper clip being formed of a hard synthetic resin.

2. A paper clip as claimed in claim 1, wherein said soft synthetic resin is soft polyvinyl chloride, said hard synthetic resin is hard polyvinyl chloride, and said paper clip is formed by extrusion.

3. A paper clip as claimed in claim 1, wherein said members are biased by means of a coil spring operation disposed between said top and bottom members at the handle ends thereof.

4. A paper clip as claimed in claim 1, wherein said members are biased by means of a leaf spring operatively disposed between said top and bottom members at the handle ends thereof.

5. A paper clip as claimed in claim 1, wherein the paper-engaging end of said bottom member is formed of a soft synthetic resin.

6. A paper clip as claimed in claim 4, wherein said soft synthetic resin is soft polyvinyl chloride, said hard synthetic resin is hard polyvinyl chloride, and said paper clip is formed by extrusion.

7. A paper clip as claimed in claim 1, further comprising a magnet embedded in said bottom member.