Aerosol provision device

Abstract

An aerosol provision device 702 is disclosed comprising a lid portion 706, a base portion 708 and a securing mechanism 710, wherein the securing mechanism 710 is configured to engage the lid portion 706 with the base portion 708 so as to hold in position, in use, an aerosol generating article so as to prevent relative movement of the aerosol generating article. The lid portion 706 and the base portion 708 are configured to hold the aerosol generating article in position in between the lid portion 706 and the base portion 708.

1 . An aerosol provision device comprising:
 a lid portion;   a base portion; and   a securing mechanism, wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold in position, in use, an aerosol generating article so as to prevent relative movement of the aerosol generating article; wherein the lid portion and the base portion are configured to hold the aerosol generating article, in use, in position in between the lid portion and the base portion.   
     
     
         2 . An aerosol provision device as claimed in  claim 1 , further comprising one or more heating elements, wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold in position, in use, an aerosol generating article so as to prevent relative movement of the aerosol generating article along a direction towards or away from the one or more heating elements and wherein the base portion and/or the heating portion comprise the one or more heating elements. 
     
     
         3 . An aerosol provision device as claimed in  claim 2 , wherein, in use, an aerosol generating article comprising a plurality of aerosol generating regions is located so that one or more aerosol generating regions are located adjacent a heating element of the one or more heating elements, wherein the aerosol provision device comprises a rotating device configured to rotate, about a rotation axis, the aerosol generating article relative to the heating element so that one or more aerosol generating regions are moved into proximity to the heating element and wherein the securing mechanism is configured to enable the aerosol generating article to be rotated relative to the heating element whilst preventing relative movement of the aerosol generating article in a direction other than rotation about the rotation axis. 
     
     
         4 . An aerosol provision device as claimed in  claim 1 , further comprising one or more heating elements defining a planar surface, wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold in position parallel to the planar surface of the one or more heating elements, in use, a substantially planar aerosol generating article so as to prevent relative movement of the substantially planar aerosol generating article along a direction substantially perpendicular to the planar surface. 
     
     
         5 . (canceled) 
     
     
         6 . An aerosol provision device as claimed in  claim 2 , wherein the lid portion and/or the base portion comprise one or more walls configured to form, when the lid portion is engaged with the base portion, an aerosol chamber, wherein, in use, the lid portion and/or the base portion uniformly apply a pressure through the one or more walls on to a substantially planar aerosol generating article so as to prevent relative movement of the aerosol generating article such that a separation between the one or more heating elements and the substantially planar aerosol generating article is maintained across the substantially planar aerosol generating article. 
     
     
         7 . An aerosol provision device as claimed in  claim 6 , wherein, in use, the lid portion and/or the base portion uniformly apply a pressure on to a substantially planar aerosol generating article through: (i) a circumference or perimeter of the one or more walls; and/or (ii) a plurality of radial struts of the one or more walls extending towards the inside of the aerosol chamber. 
     
     
         8 . An aerosol provision device as claimed in  claim 6 , wherein, in use, the one or more walls are configured to embed or partially cut into an aerosol generating article or a substantially planar aerosol generating article. 
     
     
         9 . An aerosol provision device as claimed in  claim 6 , wherein the one or more walls comprise one or more partially deformable regions. 
     
     
         10 . (canceled) 
     
     
         11 . (canceled) 
     
     
         12 . (canceled) 
     
     
         13 . (canceled) 
     
     
         14 . An aerosol provision device as claimed in  claim 6 , wherein, in use, the lid portion and/or the base portion uniformly apply a pressure through the one or more walls and/or the one or more pillars on to a first region of a substantially planar aerosol generating article which does not comprise aerosol generating material and not on to a second region of the substantially planar aerosol generating article comprising aerosol generating material. 
     
     
         15 . (canceled) 
     
     
         16 . An aerosol provision device as claimed in  any preceding claim 1 , wherein the securing mechanism comprises a hinge, wherein the lid portion is connected to the base portion through the hinge so as to form a clamshell arrangement, wherein the aerosol provision device is configured to receive an aerosol generating article when the hinge is in an open position and wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold in position, in use, an aerosol generating article so as to prevent relative movement of the aerosol generating article when the hinge is in a closed position. 
     
     
         17 . (canceled) 
     
     
         18 . (canceled) 
     
     
         19 . (canceled) 
     
     
         20 . (canceled) 
     
     
         21 . (canceled) 
     
     
         22 . (canceled) 
     
     
         23 . (canceled) 
     
     
         24 . An aerosol provision device as claimed in  claim 1 , wherein the securing mechanism comprises a cam lock configured to engage the lid portion with the base portion. 
     
     
         25 . An aerosol provision device as claimed in  claim 24 , wherein the cam lock comprises an off-centre cam configured to roll down so as to hold in position, in use, an aerosol generating article so as to prevent relative movement of the aerosol generating article. 
     
     
         26 . An aerosol provision device as claimed in  claim 25 , wherein lid portion and/or base portion comprises a plenum for forming an aerosol forming chamber, wherein the off-centre cam is configured to roll down to exert a force on the plenum so as to in hold in position, in use, an aerosol generating article by the plenum so as to prevent relative movement of the aerosol generating article. 
     
     
         27 . An aerosol provision device as claimed in  claim 25 , wherein the aerosol provision device further comprises a slidable platform configured to extend outwards from the device to receive an aerosol generating article, wherein the slidable platform is configured to retract into the device so as to insert the aerosol generating article into the device and wherein the slidable platform is connected to the off-centre cam such that the off-centre cam is configured to roll down as the slidable platform retracts into the device. 
     
     
         28 . An aerosol provision device as claimed in  claim 27 , wherein the slidable platform is configured to receive the aerosol generating article when the hinge is in the open position, wherein the slidable platform is configured to retract into the device as the hinge is taken from the open position to the closed position. 
     
     
         29 . (canceled) 
     
     
         30 . An aerosol provision device as claimed in  claim 1 , comprising one or more heating elements defining a curvilinear surface and wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold proximal to the curvilinear surface of the one or more heating elements, in use, an aerosol generating article so as to prevent relative movement of the aerosol generating article along a direction towards or away from the curvilinear surface of the one or more heating elements. 
     
     
         31 . An aerosol provision device as claimed in  claim 30 , wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold proximal to the curvilinear surface of the one or more heating elements, in use, an aerosol generating article having a surface substantially conforming to the curvilinear surface of the one or more heating elements. 
     
     
         32 . (canceled) 
     
     
         33 . (canceled) 
     
     
         34 . An aerosol provision device as claimed in  claim 1 , wherein the securing mechanism is configured to engage the lid portion with the base portion so as to hold in position, in use, an aerosol generating article comprising a metallic foil bonded to a substrate so as to prevent relative movement of the metallic foil with respect to the substrate of the aerosol generating article. 
     
     
         35 . An aerosol provision system comprising:
 an aerosol provision device as claimed in  claim 1 ; and   an aerosol generating article for use with the aerosol generating device, the aerosol generating article comprising portions of aerosol generating material.   
     
     
         36 . A method of generating an aerosol comprising:
 providing an aerosol provision device as claimed in  claim 1 ;   inserting an aerosol generating article between the lid portion and the base portion; and engaging, with the securing mechanism, the lid portion with the base portion so as to hold in position the aerosol generating article so as to prevent relative movement of the aerosol generating article.