MECHANISM FOR WRITING APPLIANCE AND WRITING APPLIANCE Russian patent published in 2009 - IPC B43K24/06 B43K21/06 

FIELD: mechanics, polygraphy.

SUBSTANCE: proposed mechanism for writing appliance comprises the first element for writing appliance incorporating a guide arranged between the first and second parallel shoulders. The second element comprises a ledge made in the guide to move along it. The said ledge features a length measured across the guide. The locking device incorporates a recess arranged in the first shoulder between two ends and a flexible member fitted opposite the said recess starting at least from the smaller base which is connected to the recess first end till the apex made in the guide at a distance from the second shoulder smaller than the ledge width. Note that the aforesaid flexible member is arranged to be pushed towards the recess by the said ledge.

EFFECT: ease of locking and releasing without increasing production costs.

11 cl, 3 dwg