KNOCK TYPE PEN

• US 20190344604A1
• Filed: 11/27/2018
• Published: 11/14/2019
• Est. Priority Date: 05/08/2018
• Status: Active Grant

• Current Assignee: Dong-A Pencil Co., Ltd.
• Original Assignee: Dong-A Pencil Co., Ltd.
• Inventors: Kim, Hakjae, An, Jung-gul
• Granted Patent: US 10,639,927 B2
• Time in Patent Office: Days
• CPC Class Codes: B43K 24/08 operated by push-buttons
• CPC Class Codes: B43K 25/02 Clips
• CPC Class Codes: B43K 7/12 with retractable ball points mechanisms for retracting or locking ball points B43K24/00
• CPC Class Codes: B43K 8/24 characterised by the means for retracting writing-points

Abstract

Disclosed is a knock-type pen, which includes: a housing having a ‘¬’-shaped guide groove formed at a top end thereof; a pen seam accommodated in the housing; a pressing member having a moving protrusion provided at a lower end thereof and movably inserted into the guide groove; a rotating member rotatably coupled to an outer circumference of the top end of the housing and having a ‘l’-shaped slide groove into which an end of the moving protrusion inserted into the guide groove is movably inserted; and a knock unit disposed between the pressing member and the pen seam and configured to allow an end of the pen seam to move in and out at a lower end of the housing when the pressing member is pressed.

Claims

1. A knock-type pen, comprising:

a housing having a ‘

¬

’

-shaped guide groove formed at a top end thereof;

a pen seam accommodated in the housing;

a pressing member having a moving protrusion provided at a lower end thereof and movably inserted into the guide groove, the pressing member rotating and moving up and down inside the housing along the guide groove in a state where a top end protrudes from the top end of the housing;

a rotating member rotatably coupled to an outer circumference of the top end of the housing and having a ‘

l’

-shaped slide groove into which an end of the moving protrusion inserted into the guide groove is movably inserted; and

a knock unit disposed between the pressing member and the pen seam and configured to allow an end of the pen seam to move in and out at a lower end of the housing when the pressing member is pressed.

2. The knock-type pen of claim 1, wherein the slide groove of the rotating member is sized to match with a vertical direction of the guide groove.

3. The knock-type pen of claim 2, wherein the rotating member has a clip.

4. A knock-type pen, comprising:

a housing having a ‘

¬

’

-shaped guide groove formed at a top end thereof;

a pen seam accommodated in the housing;

a pressing member having a moving protrusion provided at a lower end thereof and movably inserted into the guide groove;

a rotating member rotatably coupled to an outer circumference of the top end of the housing and having a ‘

l’

-shaped slide groove into which an end of the moving protrusion inserted into the guide groove is movably inserted; and

a knock unit disposed between the pressing member and the pen seam.

5. The knock-type pen of claim 4, wherein the slide groove of the rotating member is sized to match with a vertical direction of the guide groove.

6. The knock-type pen of claim 4, wherein the rotating member has a clip.