Self-retractable pen

• US 7,226,229 B1
• Filed: 08/21/2006
• Issued: 06/05/2007
• Est. Priority Date: 08/21/2006
• Status: Expired due to Fees

• Current Assignee: Dana S. Register
• Original Assignee: Dana S. Register
• Inventors: Register, Dana S.
• Primary Examiner(s): Walczak; David J.
• Application Number:
  US11/507,339
• Time in Patent Office: 288 Days
• Field of Search: 401/6, 401/99, 401/109, 401/115, 401/117
• US Class Current: 401/109
• CPC Class Codes: B43K 23/008 Holders comprising finger grips B43K23/004, B43K23/012 take precedence
• CPC Class Codes: B43K 24/023 with a deformable barrel

Abstract

A self-retractable pen that will allow an individual to expose or retract the nib or writing portion of a pen simply by squeezing a portion of the device. It will appear like any other pen except that a person will expose or retract the nib by squeezing the sides of the pen.

Claims

1. A self-retractable pen, which is comprised of:

a. a pen body;

wherein the body of the pen is shaped like a pen;

wherein a writing instrument having a writing tip is encased within the pen body;

wherein a clip is provided on an outside surface of one end of the pen;

wherein said writing tip is provided on the end opposite the clip in the interior of the pen body;

b. a grip;

wherein said grip is provided between the writing tip and the clip;

wherein a cavity in the grip houses a bladder;

wherein the bladder is compressed by squeezing a portion of a surface of the grip;

c. a shaft;

wherein said shaft is positioned in the interior of the pen and;

wherein a flange is positioned on one end of the shaft;

wherein the flange rests against a spring;

wherein the bladder rests against one side of the flange and;

wherein one side of the writing instrument makes contact with one surface of the flange;

said writing instrument moves in an up and down direction when the grip is squeezed.

2. The device as described in claim 1 wherein the bladder consists of foam.

3. The device as described in claim 1 wherein the bladder consists of an air bladder.