Razor cartridge connector

Patent metadata

Field	Value
Publication number	US-11285628-B2
Application number	US-201816641283-A
Country	US
Kind code	B2
Filing date	Aug 23, 2018
Priority date	Aug 28, 2017
Publication date	Mar 29, 2022
Grant date	Mar 29, 2022

Abstract

A safety razor has a handle with an extension having a pair of depressions to each receive a respective one of two detents of a razor cartridge and which extension provides cartridge support structure that engages a recess of the razor cartridge. The razor cartridge has a blade unit and a connector. The recess of the razor cartridge is in part defined by opposed walls of the connector providing a floor and a ceiling and the two detents are on the floor and extend into the recess. The floor has a slot between the two detents and the slot is sized such that deflection of any one detent on its respective floor portion is substantially independent of deflection of the other detent on its respective floor portion.

First claim

What is claimed is:

1. A safety razor, comprising:
a handle having an extension providing cartridge support structure that engages a recess of a razor cartridge, the extension defining an axis along which the razor cartridge is moveable during connection to, and disconnection from, the extension; the extension having a pair of depressions to each receive a respective one of two detents of the razor cartridge;
the handle including a user-operable ejector, slidable along the extension and adapted to engage the razor cartridge to disconnect the razor cartridge from the extension of the handle; and
the razor cartridge comprising a blade unit and a connector;
wherein the recess of the razor cartridge is in part defined by opposed walls of the connector providing a floor and a ceiling and the two detents are on the floor and extend into the recess;
wherein the floor further has a center slot between the two detents and the center slot is sized such that deflection of any one of the two detents on its respective floor portion of the floor is substantially independent of deflection of the other detent on its respective floor portion of the floor when the user-operable ejector is operated to disconnect the razor cartridge from the extension of the handle.

2. The safety razor of claim 1 , wherein the recess is further defined by a lateral wall and the floor has a lateral slot at or close to a junction between the floor and the lateral wall.

3. The safety razor of claim 1 , wherein the recess is further defined by two end walls at an end of the recess opposed an entrance of the recess, extending from the floor towards the ceiling and each of the end walls being adjacent a respective one of the detents.

4. The safety razor of claim 3 , wherein at least one of the end walls extends from the floor to the ceiling.

5. The safety razor of claim 3 , wherein a gap is provided between at least one of the end walls and the ceiling, the gap separating the at least one end wall and the ceiling.

6. The safety razor of claim 1 , wherein the detents are one of symmetrically sized and positioned about a center plane of the connector.

7. The safety razor of claim 1 , wherein the detents are one of asymmetrically sized and positioned about a center plane of the connector.

8. A razor cartridge comprising a blade unit and a connector;
the connector having a recess in part defined by opposed walls of the connector providing a floor and a ceiling and two detents extend from the floor into the recess;
wherein the floor further has a center slot between the two detents and the center slot is sized such that deflection of any one of the two detents on its respective floor portion of the floor is substantially independent of deflection of the other detent on its respective floor portion of the floor when a force is applied to deflect any one of the two detents.

9. The razor cartridge of claim 8 , wherein the recess is further defined by a lateral wall and the floor has a lateral slot at or close to a junction between the floor and the lateral wall.

10. The razor cartridge of claim 8 , wherein the recess is further defined by two end walls at an end of the recess opposed an entrance of the recess, extending from the floor towards the ceiling and each of the end walls being adjacent a respective one of the detents.

11. The razor cartridge of claim 10 , wherein at least one of the end walls extends from the floor to the ceiling.

12. The razor cartridge of claim 10 , wherein a gap is provided between at least one of the end walls and the ceiling.

13. The razor cartridge of claim 8 , wherein the detents are one of symmetrically sized and positioned about a center plane of the connector.

14. A connector for a razor cartridge;
the connector having a recess in part defined by opposed walls of the connector providing a floor and a ceiling and two detents extend from the floor into the recess;
wherein the floor further has a center slot between the two detents and the center slot is sized such that deflection of any one of the two detents on its respective floor portion of the floor is substantially independent of deflection of the other detent on its respective floor portion of the floor when a force is applied to deflect any one of the two detents.

15. The connector of claim 14 , wherein the recess is further defined by a lateral wall and the floor has a lateral slot at or close to a junction between the floor and the lateral wall.

16. The connector of claim 14 , wherein the recess is further defined by two end walls at an end of the recess opposed an entrance of the recess, extending from the floor towards the ceiling and each of the end walls being adjacent a respective one of the detents.

17. The connector of claim 16 , wherein at least one of the end walls extends from the floor to the ceiling.

18. The connector of claim 16 , wherein a gap is provided between at least one of the end walls and the ceiling.

19. The connector of claim 14 , wherein the detents are one of symmetrically sized and positioned about a center plane of the connector.

Assignees

• Edgewell Personal Care Brands Llc

Inventors

• Bunnell Jay
• Evarts David
• Zhang Zuky

Classifications

• B26B21/521 Primary

  Connection details, e.g. connection to razor heads · CPC title

• B26B21/222 Primary

  with the blades moulded into, or attached to, a changeable unit (B26B21/4006 takes precedence) · CPC title