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US 7,621,203 B2Granted
Shaving razors, and blade subassemblies therefor and methods of manufacture
AssigneeThe Gillette Company
InventorGregory D. Aviza
Life of this patent
Estimating the term…
Abstract
A subassembly for a shaving razor including a plurality of elongated metal blades. The blades having cutting edges defining a shaving surface longitudinal ends and are secured at their longitudinal ends to first and second plastic blocks to provide an integral unit.
Claims5
A method of making a shaving razor, the method comprising the steps, in the order of:
- providing a housing including a generally rectangular recess having four side walls and carrying a guard member,
- providing a plurality of elongated metal razor blades, each blade having a cutting edge and first and second longitudinal ends,
- providing a first plastic block having non-contiguous slots,
- providing a second plastic block having non-contiguous slots,
- securing said first longitudinal ends in said non-contiguous slots in said first plastic block and said second longitudinal ends in said non-contiguous slots in said second plastic block such that said cutting edges collectively define a shaving surface, and said blades and blocks provide an integrated blade subassembly, wherein said blades are movable in said non-contiguous slots during shaving, and wherein one of said slots is angled obliquely relative to another one of said slots to set a different blade angle, and one of said slots has a top end lower than a top end of another slot to set a different blade exposure;
- and
- inserting said integrated subassembly into the rectangular recess wherein said guard member is in front of said blades.
4 more elements
A method of making a shaving razor, the method comprising the steps, in the order of:
- providing a housing including a generally rectangular recess having four side walls,
- providing a plurality of elongated metal razor blades, each blade having a cutting edge and first and second longitudinal ends,
- providing a first plastic block having non-contiguous slots,
- providing a second plastic block having non-contiguous slots,
- securing said first longitudinal ends in said non-contiguous slots in said first plastic block and said second longitudinal ends in said non-contiguous slots in said second plastic block such that said cutting edges collectively define a shaving surface, and said blades and blocks provide an integrated blade subassembly,
- wherein said blades are movable in said non-contiguous slots during shaving and wherein one of said slots is angled obliquely relative to another one of said slots to set a different blade angle, and one of said slots has a top end lower than a top end of another slot to set a different blade exposure and wherein no part of said integrated blade subassembly extends beyond an outer surface of said first and second blocks, and
- inserting said integrated subassembly into the rectangular recess.
4 more elements
Dependencies are inferred from the claim text.