Shaving system with a fixed edge between the blade edge and the guard

Claim 2

A shaving system comprising: molded plastic structure for supporting a cutting edge member that has a cutting edge, structure for positioning the cutting edge member so that its cutting edge is disposed along a predetermined line, molded plastic skin engaging structure positioned forwardly of and extending generally parallel to said predetermined line, and supplemental molded plastic structure integral with said supporting structure and said skin engaging structure fixed in position between said skin engaging structure and said predetermined line; and spaced from both said supporting structure and said skin engaging structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having a hair engaging edge portion disposed parallel to said predetermined line, said hair engaging edge portion having an effective radius in the range of 2-50 microns such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a graspinG effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke.

Claim 3

A shaving system comprising: molded plastic structure for supporting a cutting edge member that has a cutting edge, structure for positioning the cutting edge member so that its cutting edge is disposed along a predetermined line, molded plastic skin engaging structure positioned forwardly of and extending generally parallel to said predetermined line, and supplemental molded plastic structure integral with said supporting structure and said skin engaging structure fixed in position between said skin engaging structure and said predetermined line; and spaced from both said supporting structure and said skin engaging structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having a hair engaging edge portion disposed in the range of about three-quarters to two millimeters from and parallel to said predetermined line, said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke.

Claim 4

A shaving system comprising: molded plastic structure for supporting a cutting edge member that has a cutting edge, structure for positioning the cutting edge member so that its cutting edge is disposed along a predetermined line, molded plastic skin engaging structure positioned forwardly of and extending generally parallel to said predetermined line, and supplemental molded plastic structure integral with said supporting structure and said skin engaging structure fixed in position between said skin engaging structure and said predetermined line; and spaced from both said supporting structure and said skin engaging structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having a hair engaging edge portion disposed in the range of about three-quarters to two millimeters from and parallel to said predetermined line, said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke.

Claim 5

A shaving system comprising: molded plastic structure for supporting a cutting edge member that has a cutting edge, structure for positioning the cutting edge member so that its cutting edge is disposed along a predetermined line, molded plastic skin engaging structure positioned forwardly of and extending generally parallel to said predetermined line, a surface of said skin engaging structure and said predetermined line defining a plane, and supplemental molded plastic structure integral with said supporting structure and said skin engaging structure fixed in position between said skin engaging structure and said predetermined line; and spaced from both said supporting structure and said skin engaging structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having a hair engaging edge portion disposed parallel to said predetermined line, the perpendicular distance of said hair engaging edge portion from said plane being in the range of -20 to +50 microns, said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke.

Claim 6

A shaving system comprising: molded plastic structure for supporting a cutting edge member that has a cutting edge, structure for positioning the cutting edge member so that its cutting edge is disposed along a predetermined line, molded plastic skin engaging structure positioned forwardly of and extending generally parallel to said predetermined line, a surface of said skin engaging structure and said predetermined line defining a plane, and supplemental molded plastic structure integral with said supporting structure and said skin engaging structure fixed in position between said skin engaging structure and said predetermined line; and spaced from both said supporting structure and said skin engaging structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having a hair engaging edge portion disposed parallel to said predetermined line, the perpendicular distance of said hair engaging edge portion from said plane being in the range of -20 to +50 microns, said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke.

Claim 7

The system as claimed in claim 3 wherein said cutting edge member is a blade member that is disposed at an angle in the range of 20*-32* to said plane.

Claim 8

A shaving system comprising: a platform member of molded plastic material, a planar blade member having a forward sharpened cutting edge and a rear edge, a cap member of molded plastic material, said cap member including a first alignment surface engaging said forward edge of said blade member, said cap member further including a second surface located rearwardly of said first alignment surface, said rear edge of said blade member resting on said second surface so that the major portion of said blade member between said forward edge and said rear edge is supported clear of said cap member, said second surface being inclined with respect to the plane of said blade and tending to cause said rear edge of said blade member to slide forwardLy along said second surface so that said blade member is urged forwardly toward said first surface to move said forward edge into engagement with said first alignment surface, said blade member being clamped between said platform member and said cap member, and means permanently securing said platform member, said blade member and said cap member together as a rigid unit.

Claim 9

A shaving system comprising: a platform member of molded plastic material, a planar blade member having a forward sharpened cutting edge and a rear edge, a cap member of molded plastic material, said cap member including a first alignment surface engaging said forward edge of said blade member, said cap member further including a second surface located rearwardly of said first alignment surface, said rear edge of said blade member resting on said second surface so that the major portion of said blade member between said forward edge and said rear edge is supported clear of said cap member, said second surface being inclined with respect to the plane of said blade and tending to cause said rear edge of said blade member to slide forwardLy along said second surface so that said blade member is urged forwardly toward said first surface to move said forward edge into engagement with said first alignment surface, said blade member being clamped between said platform member and said cap member, and means permanently securing said platform member, said blade member and said cap member together as a rigid unit.

Claim 10

The system as claimed in claim 5 wherein said first alignment surface includes a pair of spaced aligning projections and said second surface includes a pair of spaced aligning webs, each having an inclined surface engaging the rear edge of said blade member and urging the blade member forwardly so that said cutting edge is in engagement with said aligning projections.

Claim 11

A shaving system comprising: a molded plastic member having a platform portion, a guard portion and supplemental structure integral with said platform portion and said guard portion, fixed in position between and spaced from both said platform portion and said guard portion so that an open slot is provided on either side of said supplemental structure, a blade member having a forward sharpened cutting edge and a rear edge, a molded plastic cap member, said guard portion being positioned forwardly of said platform portion, said blade member being adapted to be clamped between said platform portion and said cap member so that said cutting edge is spaced from said guard member, said supplemental structure having a hair engaging edge portion disposed in the range of about three-quarters to two millimeters from and parallel to said cutting edge, said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produced localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, and means for securing said platform portion, said blade member and said cap member together as a shaving unit.

Claim 12

A shaving system comprising: a molded plastic member having a platform portion, a guard portion and supplemental structure integral with said platform portion and said guard portion, fixed in position between and spaced from both said platform portion and said guard portion so that an open slot is provided on either side of said supplemental structure, a blade member having a forward sharpened cutting edge and a rear edge, a molded plastic cap member, said guard portion being positioned forwardly of said platform portion, said blade member being adapted to be clamped between said platform portion and said cap member so that said cutting edge is spaced from said guard member, said supplemental structure having a hair engaging edge portion disposed in the range of about three-quarters to two millimeters from and parallel to said cutting edge, said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produced localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, and means for securing said platform portion, said blade member and said cap member together as a shaving unit.

Claim 13

The system as claimed in claim 7 wherein a surface of said skin engaging structure and said cutting edge define a plane and the perpendicular distance of said hair engaging edge portion from said plane is in the range of -20 to +50 microns.

Claim 14

The shaving system as claimed in claim 8 wherein the edge of said hair engaging edge portion has an effective radius in the range of 2-50 microns.

Claim 15

The system as claimed in claim 9 wherein said blade member is disposed at an angle in the range of 20*-32* to said plane.

Claim 16

A shaving system comprising: first and second blade members, each said blade member having a cutting edge; structure for supporting said first and second blade members in symmetrical, opposed relation so that each cutting edge is disposed along a predetermined line; supplemental structure integral with said supporting structure, fixed in position between said cutting edges and spaced from said supporting structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having first and second hair engaging edge portions disposed parallel to said cutting edges, each said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, each said cutting edge and the hair engaging edge portion further from that cutting edge defining a plane, the hair engaging edge portion nearer that Cutting being located in the range of -20 to +50 microns perpendicular distance from said plane, and each said blade member being disposed at an angle in the range of 20*-32* to the plane defined by it and the further hair engaging edge portion.

Claim 17

A shaving system comprising: first and second blade members, each said blade member having a cutting edge; structure for supporting said first and second blade members in symmetrical, opposed relation so that each cutting edge is disposed along a predetermined line; supplemental structure integral with said supporting structure, fixed in position between said cutting edges and spaced from said supporting structure so that an open slot is provided on either side of said supplemental structure; said supplemental structure having first and second hair engaging edge portions disposed parallel to said cutting edges, each said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, each said cutting edge and the hair engaging edge portion further from that cutting edge defining a plane, the hair engaging edge portion nearer that Cutting being located in the range of -20 to +50 microns perpendicular distance from said plane, and each said blade member being disposed at an angle in the range of 20*-32* to the plane defined by it and the further hair engaging edge portion.

Claim 18

A shaving system comprising: first and second blade members, each said blade member having a forward sharpened cutting edge and a rear edge, a platform member of molded plastic material, said platform member including two spaced blade support portions, said first and second blade members being disposed on respective support portions with their sharpened cutting edges in spaced opposed relation, supplemental structure integral with and spaced from both said support portions and fixed in position between said opposed cutting edges so that an open slot is provided on either side of said supplemental structure, said supplemental structure having a hair engaging edge portion associated with each said cutting edge, each said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, a cap member of molded plastic material, said cap member including first alignment surface means engaging the forward edges of said blade members and inclined alignment surface means, the rear edge of each said blade member resting on said inclined surface means so that the major portion of each said blade member is supported clear of said cap member, said rear edge of said blade member tending to slide forwardly along said inclined surface to urge said blade member into engagement with said first alignment surface, said blade member being clamped between said platform member and said cap member, and means permanently securing said platform member, said blade members and said cap member together as a rigid unit.

Claim 19

A shaving system comprising: first and second blade members, each said blade member having a forward sharpened cutting edge and a rear edge, a platform member of molded plastic material, said platform member including two spaced blade support portions, said first and second blade members being disposed on respective support portions with their sharpened cutting edges in spaced opposed relation, supplemental structure integral with and spaced from both said support portions and fixed in position between said opposed cutting edges so that an open slot is provided on either side of said supplemental structure, said supplemental structure having a hair engaging edge portion associated with each said cutting edge, each said hair engaging edge portion having an effective dimension relative to the dimension of hair elements to be shaved such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, a cap member of molded plastic material, said cap member including first alignment surface means engaging the forward edges of said blade members and inclined alignment surface means, the rear edge of each said blade member resting on said inclined surface means so that the major portion of each said blade member is supported clear of said cap member, said rear edge of said blade member tending to slide forwardly along said inclined surface to urge said blade member into engagement with said first alignment surface, said blade member being clamped between said platform member and said cap member, and means permanently securing said platform member, said blade members and said cap member together as a rigid unit.

Claim 20

The shaving system as claimed in claim 12 wherein the edge of said hair engaging edge portion has an effective radius in the range of 2-50 microns.

Claim 21

A shaving system comprising: first and second blade members, each said blade member having a forward sharpened cutting edge and a rear edge, a platform member, a cap member, said blade members being clamped between said platform member and said cap member with their sharpened cutting edges in spaced opposed relation, supplemental structure integral with said platform member and fixed in position between said opposed cutting edges so that an open slot is provided on either side of said supplemental structure, said supplemental structure having a hair engaging edge portion positioned in the range of about three-quarters to two millimeters from each said cutting edge, each said hair engaging edge portion having an effective radius in the range of two to fifty microns such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, each said cutting edge and the hair engaging edge portion further from that cutting edge defining a plane, the hair engaging edge portion nearer that cutting being located in the range of -20 to +50 microns perpendicular distance from said plane, and each said blade member being disposed at an angle in the range of 20*-32* to the plane defined by it and the further hair engaging edge portion.

Claim 22

A shaving system comprising: first and second blade members, each said blade member having a forward sharpened cutting edge and a rear edge, a platform member, a cap member, said blade members being clamped between said platform member and said cap member with their sharpened cutting edges in spaced opposed relation, supplemental structure integral with said platform member and fixed in position between said opposed cutting edges so that an open slot is provided on either side of said supplemental structure, said supplemental structure having a hair engaging edge portion positioned in the range of about three-quarters to two millimeters from each said cutting edge, each said hair engaging edge portion having an effective radius in the range of two to fifty microns such that in the course of a normal shaving stroke said edge portion engages hair elements and produces localized distortion in those engaged hair elements to exert a grasping effect on the individual engaged hair elements which pulls them outwardly from their hair follicles as the shaving system is moved over the skin surface in a shaving stroke, each said cutting edge and the hair engaging edge portion further from that cutting edge defining a plane, the hair engaging edge portion nearer that cutting being located in the range of -20 to +50 microns perpendicular distance from said plane, and each said blade member being disposed at an angle in the range of 20*-32* to the plane defined by it and the further hair engaging edge portion.