Razor cartridge and corresponding method of assembly
AssigneeWheel Technology Ltd.
InventorShlomo Zucker
Life of this patent
Estimating the term…
Abstract
A razor cartridge employs a number of planar blades, each having an uninterrupted upper surface and a width measured across its upper surface perpendicular to its length of no more than about 4 mm. The blades are retained between abutment features provided by spaced-apart ribs of a base and opposing abutment surfaces of a cover. Also provided is method for assembling such cartridges by temporarily inserting locating elements through apertures formed either in the base or in the cover.
Claims11
A razor cartridge comprising:
- (a) a plurality of substantially planar blades, each of said blades having a cutting edge extending along substantially all of a major dimension termed length, each of said blades having an uninterrupted upper surface, a lower surface, and a width measured across said upper surface perpendicular to said length of no more than about 4 mm;
- (b) a base having at least one series of spaced-apart ribs configured to provide abutment features for abutting said lower surface of each of said blades so as to define at least partially a predetermined mounting position of each of said blades;
- and
- (c) a cover configured for engaging said base to form a unitary cartridge structure, said cover providing at least one abutment surface for each of said blades, said at least one abutment surface being configured to abut said upper surface of a corresponding one of said blades, thereby pressing said blade against said corresponding series of abutment features so as to retain said blade in said predetermined mounting position.
A method for assembling a razor cartridge of a type having a plurality of narrow blades retained between two cartridge components which provide opposing sets of blade abutment features, the method comprising:
- (a) temporarily inserting a plurality of locating elements through a plurality of apertures formed through a first of the cartridge components so as to define a plurality of blade-receiving receptacles;
- (b) inserting a blade into each of said blade-receiving receptacles;
- (c) attaching the second of the cartridge components to the first cartridge component so as to form a razor cartridge with the blades retained between the two cartridge components;
- and
- (d) withdrawing the locating elements from the first cartridge component.
A method for assembling a razor cartridge of a type having a plurality of narrow blades retained between two cartridge components which provide opposing sets of blade abutment features, the method comprising:
- (a) providing a plurality of projecting locating elements projecting from a first of the cartridge components so as to define a plurality of blade-receiving receptacles, each of said blade-receiving receptacles being configured to have a width slightly less than a width of each of the blades;
- (b) inserting a blade into each of said blade-receiving receptacles so that it becomes wedged between adjacent ones of said locating elements;
- and
- (c) attaching the second of the cartridge components to the first cartridge component so as to form a razor cartridge with the blades retained between the two cartridge components, the second cartridge component being formed with a plurality of recesses for receiving said projecting locating elements.
Dependencies are inferred from the claim text.