Razor handle with removable cover that locks cartridge in place
A wet-shave razor with a blade cartridge that clips onto a handle with two opposing movable arms and an internal liquid dispenser in the handle. A removable cover plugs onto the handle and, when closed, inserts two cartridge retention members between the arms to prevent the cartridge from being detached; opening the cover moves the retention members away to allow cartridge removal. Intended users are consumers who buy disposable or replaceable razor cartridges.
(57) What the patent covered
This write-up was generated by AI from the patent's text and may contain mistakes, so check it against the original patent before relying on it.
An assembled razor comprising: a cartridge having at least one blade; a handle with a pair of opposing movable arms that removably engage the cartridge; a liquid-dispensing unit inside the handle; and a removable cover that in its closed position places a pair of cartridge-retention members between the arms to contact the arms and prevent cartridge disengagement, and in its open position spaces those retention members away so the cartridge can be disengaged.
Distinguishing feature: The removable external cover carries retention members that physically block the handle arms to lock the cartridge in place when the cover is closed.
Novelty 3/5. Razor handles with two clip arms and internal dispensers were common; the specific use of a removable cover as a mechanical lock for the clip arms is a distinct improvement on that arrangement.
Manufacturing
Injection-mold main handle and cover parts, stamp-and-form stainless blade components, assemble cartridge subassembly, insert liquid reservoir into handle, ultrasonic or adhesive bonding of seals, hand or automated assembly to attach cover and test dispenser.
Materials: Injection-molded ABS or polypropylene for handle and cover, stainless steel blades in the cartridge, elastomer or TPE for seals or dispenser interfaces, plastic reservoir or bladder for the dispensing liquid.
Manufacturability 4/5. Several molded plastic parts plus a stamped blade subassembly and a liquid reservoir; assembly requires alignment of arms, insertion of retention members and sealing the dispenser but uses common tooling and assembly lines.
Market demand
No demand check has been run for this patent. Likely search terms: razor with cartridge lock cover, razor handle liquid dispenser, replaceable blade razor cover lock. The links in the sidebar open these searches.
Buyers: Shaving consumers who use replaceable cartridges.
Before manufacturing
No related continuation or divisional patents in force were found. Design patents, trademarks and unrelated patents may still cover the product.
Claim is limited to a removable cover that carries retention members positioned between opposing movable arms; market has many similar cartridge retention mechanisms and the patent is lapsed so legal exclusivity is not in force.
About 1.5% of lapsed patents are later revived by their owners. This page is a research lead, not legal advice. Obtain a freedom-to-operate opinion before manufacturing.