Patent ID: 11897278
Assignee: SOCIÉTÉ BIC
Field: Other consumer goods (Other fields)
Classification: CPC B | IPC B

Claim 5:
6. A writing instrument comprising:
a first portion and a second portion, the second portion being at least partially fitted into the first portion and being moveable in an axial direction relative to the first portion;
the first portion includes a first distal end while the second portion includes a second distal end opposite the first distal end, and a lock;
the first distal end includes a writing tip or a nib;
wherein the lock is movable between a first configuration and a second configuration, the lock including a chamber and a movable element disposed in the chamber, wherein the chamber is positioned within only the second portion,
wherein in the first configuration, the lock is configured to permit relative axial movement between the first portion and the second portion, and in the second configuration, the lock is configured to prevent relative axial movement between the first portion and the second portion;
wherein the lock is configured to move between the first configuration and the second configuration by inversion of the writing instrument.