mechanism application_number US 201213476824 A description in the following description and for the purposes of explanation numerous specific details are set forth in order to provide a thorough understanding of the various aspects of the invention it will be understood however by those skilled in the relevant arts that the present invention may be practiced without these specific details in other instances known structures and devices are shown or discussed more generally in order to avoid obscuring the invention in many cases a description of the operation is sufficient to enable one to implement the various forms of the invention it should be noted that there are many different and alternative configurations devices and technologies to which the disclosed inventions may be applied the full scope of the inventions is not limited to the examples that are described below referred now in more detail and by reference to the drawings a powder dispensing jar 10 has a base 12 defining a central interior chamber 14 and a closure member or closure member assembly 16 a hinge 11 on the jar base 12 supports the closure member 16 the closure member may also be attached to the base by e g a living hinge a suitable latching mechanism such as a push button actuated latch 18 may be provided for releasing of the closure member 16 from the jar base 12 when it is desired to open the jar.