CARPET CUTTER ASSEMBLY

• US 20150360374A1
• Filed: 06/17/2014
• Published: 12/17/2015
• Est. Priority Date: 06/17/2014
• Status: Active Grant

• Current Assignee: Allway Tools Incorporated (Linzer Products Corporation)
• Original Assignee: Allway Tools Incorporated (Linzer Products Corporation)
• Inventors: Gringer, Donald, Cheng, Yuan Fang
• Granted Patent: US 9,259,845 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B26B 1/02 with pivoted blade
• CPC Class Codes: B26B 1/04 lockable in adjusted position
• CPC Class Codes: B26B 29/02 Guards or sheaths for knives
• CPC Class Codes: B26B 5/003 comprising retraction means for the blade or the blade holder
• CPC Class Codes: B26B 5/005 specially adapted for cutting cardboard, or wall, floor or like covering materials

Abstract

A carpet cutter assembly comprising a ribbed handle, an elongated internal channel opening along the lower surface, which houses the blade in a dosed position; an exposed blade storage mechanism on the handle for housing a plurality of replacement blades, the blade storage mechanism having a blade storage handle, which locks in a blade storage cavity to secure the blade in place; a locking wheel mechanism at the frontal end of the handle, which rotates the blade from an open, closed and loading position and secures the blade in these positions; a rotatable blade retainer located at the frontal end of the handle, wherein the blade is positioned for use; and a blade safety housing with a pivot opening through which the locking wheel shaft is inserted, wherein the housing engages with the retainer to secure the blade.

Claims

1. A carpet cutter assembly enabling cutting with a blade, the assembly comprising:

a unitary handle having an elongated channel extending inwardly from a surface of the handle;

an externally exposed blade storage mechanism on said handle;

a blade retainer rotatably mounted on said handle and sized to hold a blade;

a blade safety housing rotatably mounted directly on said handle having a slot opening sized to receive the blade retainer; and

a locking wheel mechanism having a shaft extending from one side that is rotatably mounted to said handle securing said blade retainer and said blade safety housing to said handle,

wherein said locking wheel mechanism is adjustable to permit the blade retainer and the blade safety housing to be rotatably moveable between a closed position in the elongated channel, an intermediate blade loading position, and a blade cutting position.

2. A carpet cutter assembly as set forth in claim 1, wherein said handle has a plurality of ribs extending along said lower surface and said upper surface, and said head further is tapered from said frontal end to said rear end.

3. A carpet cutter assembly as set forth in claim 1, wherein said elongated channel extends more than half way across the lower surface of said handle.

4. A carpet cutter assembly as set forth in claim 1, wherein said blade storage mechanism includes a rotatable blade storage handle and a blade storage cavity.

5. A carpet cutter assembly as set forth in claim 4, wherein said blade storage handle includes a grooved handle thumb contact on the front end of a u-shaped handle retainer.

6. A carpet cutter assembly as set forth in claim 5, wherein said blade storage mechanism has an end wall with a roof to provide for interlocking with said grooved handle thumb contact of said blade storage handle in a closed position.

7. A carpet cutter assembly as set forth in claim 6, wherein said handle retainer removeably latches onto the handle retainer receiver located at the end of the blade storage cavity.

8. A carpet cutter assembly as set forth in claim 7, wherein said blade storage cavity includes an elevated portion with two blade retaining pins having a diameter equivalent to a width of a blade slot of a blade.

9. A carpet cutter assembly as set forth in claim 8, wherein said blade retainer has a half ball that is engaged with a hole on said blade safety housing.

10. A carpet cutter assembly as set forth in claim 1, wherein said handle has a pair of pivot openings to rotatably secure said blade storage handle upon insertion of a pin through a pivot pin opening.

11. A carpet cutter assembly as set forth in claim 1, wherein said locking wheel mechanism is stationed at the frontal end of the handle.

12. A carpet cutter assembly as set forth in claim 1, wherein said locking wheel mechanism includes a flat external surface and ribs along its rim.

13. A carpet cutter assembly as set forth in claim 11, wherein said locking wheel mechanism has a threaded shaft protruding from a cylindrical stud on its interior and the threaded shaft engaging with a threaded shaft receiver on the interior of the frontal end of said handle.

14. A carpet cutter assembly as set forth in claim 1, wherein said blade retainer has a stud, a cavity sized to secure a blade in a blade cutting position, a thumb slot and a retainer pivot opening located at a retainer head.

15. A carpet cutter assembly as set forth in claim 1, wherein said handle includes a pair of indents interlocking with a detent on a side wall of said blade safety housing when in a closed position or a blade cutting position.

16. A carpet cutter assembly as set forth in claim 1, wherein said handle includes a pair of indents interlocking with a detent on a side wall of said blade safety housing and a raised pin on the blade retainer when in a closed position.

17. A carpet cutter assembly as set forth in claim 1, wherein said handle has an anvil limiting the rotation of the assembly upon impact with the bottom end of said blade safety housing.

18. A carpet cutter assembly as set forth in claim 1, wherein said slot opening of said blade safety housing is formed by two parallel sidewalls and includes a housing grip for maneuverability and a pivot opening for insertion of said locking wheel shaft.

20. A carpet cutter assembly as set forth in claim 1, wherein said externally exposed blade storage mechanism is arranged in a longitudinally extending sidewall of said handle.

19. A carpet cutter assembly, comprising:

a handle having an elongated channel extending therein;

an externally exposed blade storage mechanism at least partially formed in a longitudinally extending sidewall of said handle;

a blade retainer rotatably mounted to said handle;

a blade safety housing rotatably mounted directly to said handle having a slot opening sized to receive the blade retainer; and

a locking wheel mechanism rotatably mounted to said handle securing said blade retainer and said blade safety housing to said handle,

wherein the blade retainer and the blade safety housing are rotatably moveable between a closed position in the elongated channel, an intermediate loading position and an open position.