IP Library Granted Patent US 11,446,835
Granted Patent B2
US 11,446,835 · App. 16/863,251 · Granted Sep 20, 2022

Shaving razor cartridge

Inventors: Mark Peterson (Reading, GB); Nuala Desai (Reading, GB); Daniel Edward Dunham (Wiltshire, GB); Neil Dustin Lettenberger (Boston, MA); Jack Anthony Washington (Mendon, MA)
Assignee: The Gillette Company LLC
B26B21/227B26B21/4012
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Quick Facts
Patent No.
US 11,446,835
App. No.
16/863,251
Granted
Sep 20, 2022
Kind
B2
Abstract

A shaving razor cartridge with a housing having a front portion with a front face and an upper skin contacting surface. At least one blade is mounted to the housing. The blade has a cutting edge extending toward the front portion. The upper skin contacting surface defines a bifurcated channel having an opening at a first end toward the front face and a pair of openings at an opposing end to facilitate the flow of fluid.

Claims (14)

1. A shaving razor cartridge comprising:

a housing having a front portion with a front face and an upper skin contacting surface; at least one blade mounted to the housing, the blade having a cutting edge extending toward the front portion, wherein the upper skin contacting surface defines a bifurcated channel having a pair of sub channels extending from a first channel that extends into the front face, a first end of the bifurcated channel having an opening toward the front face and a pair of openings at an end of the bifurcated channel opposite the first end to facilitate the flow of fluid.

2. The shaving razor cartridge of claim 1 wherein the first channel has a width of at least 0.40 mm.

3. The shaving razor cartridge of claim 1 wherein the pair of sub channels each with a width in the range of 0.40 mm to 1.5 mm.

4. The shaving razor cartridge of claim 1 wherein a portion of the upper skin contacting surface between the sub channels has a plurality of fins.

5. The shaving razor cartridge of claim 4 wherein a length of the fins toward the front face is less than a length of the fins toward the blade.

6. The shaving razor cartridge of claim 4 wherein adjacent fins of the plurality of fins are spaced apart by a gap in communication with the sub channels.

7. The shaving razor cartridge of claim 1 wherein the bifurcated channel has a height in the range of 0.25 mm to 2.0 mm.

8. The shaving razor cartridge of claim 1 wherein a width of the first channel is greater than a width of at least one of the sub channels.

9. The shaving razor cartridge of claim 1 wherein the sub channels are diverging.

10. The shaving razor cartridge of claim 1 wherein the sub channels are in front of an open slot extending parallel to the blade.

11. The shaving razor cartridge of claim 10 wherein the sub channels are in fluid communication with the open slot.

12. The shaving razor cartridge of claim 1 wherein the front portion comprises an elastomeric material.

13. The shaving razor cartridge of claim 1 wherein a span of the bifurcated channel is in the range of 3 mm to 6 mm.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 1, 2020
From: PETERSON, MARK; DESAI, NUALA; DUNHAM, DANIEL EDWARD; LETTENBERGER, NEIL DUSTIN
To: THE GILLETTE COMPANY LLC
Reel/Frame 053944/0111 →
Continuity (2)
Provisional Application 62874231 · Jul 15, 2019
Related Publication 20210016458A1 · Jan 21, 2021
Cited By (2)
US 1,057,281 US 1,140,305