Removable banister device

A removable banister device comprising:

• a staircase extending between respective floors of a residential building wherein said staircase is configured to be navigated by an occupant of the residential building, said staircase having an insertion element being structurally integrated into said staircase, said staircase having an upper end and a lower end, said staircase including an upper landing being associated with said upper end of said staircase, said upper landing having a vertical wall which extends upwardly from said upper landing, said staircase having a sleeve space being structurally integrated into said staircase, said sleeve space being located adjacent to said lower end of said staircase;
• a sleeve being insertable into said sleeve space which is structurally integrated into said staircase, said sleeve and said sleeve space defining said insertion element of said staircase when said sleeve is inserted into said sleeve space, said sleeve having a bottom wall and an outer wall extending upwardly from said bottom wall, said outer wall having a plurality of intersecting sides, each intersecting side of said plurality of intersecting sides being oriented perpendicular to a respective intersecting side of said plurality of intersecting sides such that said sleeve has a cuboid shape, said outer wall having a top edge, said top edge defining an opening into said sleeve, said bottom wall resting upon a lower bounding surface of said sleeve space when said sleeve is inserted into said sleeve space;
• a banister having a leg being insertably matable with said insertion element of said staircase, said leg being vertically oriented with respect said staircase when said leg is insertably mated to said insertion element, said leg having a bottom end, said bottom end of said leg resting upon said bottom wall said sleeve when said leg is inserted into said opening defined by said top edge of said sleeve, said banister having an upper rail and a lower rail, said banister having a plurality of spindles, each spindle of said plurality of spindles extending between said lower rail and said upper rail wherein said upper rail is configured to be gripped by the occupant when the occupant navigates said staircase, said upper rail having a front end, said lower rail having a front end, said leg having a back surface, said front end of said upper rail being coupled to said back surface of said leg, said front end of said lower rail being coupled to said back surface of said leg;
• a pair of first couplers, each first coupler of said plurality of first couplers being removably attachable to said vertical wall of said upper landing of said staircase, said pair of first couplers being spaced apart from each other on said vertical wall, said pair of first couplers being aligned with each other along a vertical axis of said vertical wall, each first coupler of said pair of first couplers having a first finger portion extending between a pair of first plate portions, said first finger portion of each first coupler of said pair of first couplers having a rear surface, each first plate portion of said pair of first plate portions of each first coupler of said pair of first couplers having a front surface, said rear surface of said first finger portion of a respective first coupler being spaced from said front surface of each first plate portion of said pair of first plate portions of said respective first coupler, said rear surface of said first finger portion of said respective first coupler lying on a plane being oriented parallel to said front surface of each first plate portion of said pair of first plate portions of said respective first coupler, said first finger portion of each first coupler of said pair of first couplers having an upper edge and a pair of sidelong edges, said upper edge of said first finger portion of a respective first coupler curving upwardly between said pair of sidelong edges of said first finger portion of said respective first coupler, each first plate portion of said pair of first plate portions of each first coupler of said pair of first couplers having an inwardly facing edge, said inwardly facing edge of each first plate portion of said pair of first plate portions of a respective first coupler being spaced from a respective sidelong edge of said first finger portion of said respective first coupler, each first plate portion of said pair of first plate portions of each first coupler of said pair of first couplers having a back surface, said back surface of each first plate portion of said pair of first plate portions of each first coupler of said pair of first couplers resting against said vertical wall of said upper landing, said rear surface of said first finger portion of a respective first coupler being spaced from said vertical wall of said upper landing when said back surface of each first plate portion of said pair of first plate portions of said respective first coupler is positioned against said vertical wall of said upper landing;
• a plurality of first fasteners, each first fastener of said plurality of first fasteners being extendable through said front surface and said back surface of a respective first plate portion of said pair of first plate portions of a respective first coupler, each first fastener of said plurality of first fasteners engaging said vertical wall of said upper landing for retaining said pair of first couplers on said vertical wall of said upper landing;
• a pair of second couplers, each second coupler of said plurality of second couplers being removably attachable to said banister, each second coupler of said plurality of second couplers being releasably matable to a respective first coupler of said pair of first couplers when said leg is insertably mated to said insertion element wherein said banister is configured to be removable from said staircase by the occupant, said pair of first couplers and said pair of second couplers removably securing said banister to said vertical wall when said pair of second couplers is releasably mated to said respective first coupler wherein said banister is configured to support the occupant when the occupant grips said banister, each second coupler of said pair of second couplers having a second finger portion extending between a pair of second plate portions, said second finger portion of each second coupler of said pair of second couplers having a rear surface of said second finger portions, each second plate portion of said pair of second plate portions of each second coupler of said pair of second couplers having a front surface of said second plate portions, said rear surface of said second finger portion of a respective second coupler being spaced from said front surface of each second plate portion of said pair of second plate portions of said respective second coupler, said rear surface of said second finger portion of said respective second coupler lying on a plane being oriented parallel to said front surface of each second plate portion of said pair of second plate portions of said respective second coupler, said second finger portion of each second coupler of said pair of second couplers having a lower edge and a pair of sidelong edges of said second finger portions, each second plate portion of said pair of second plate portions of each second coupler of said pair of second couplers having an inwardly facing edge of said second plate portions, said inwardly facing edge of each second plate portion of said pair of second plate portions of a respective second coupler being spaced from a respective sidelong edge of said second finger portion of said respective second coupler, each second plate portion of said pair of second plate portions of each second coupler of said pair of second couplers having a back surface of said second plate portions, said upper rail of said banister having a back end, said lower rail of said banister having a back end of said lower rail, said back surface of each second plate portion of said pair of second plate portions of a respective second coupler of said pair of second couplers resting against said back end of said lower rail, said back surface of each second plate portion of said pair of second plate portions of a respective second coupler of said pair of second couplers resting against said back end of said upper rail, said second finger portion of a respective second coupler extending downwardly behind said first finger portion of a respective first coupler when said respective second coupler is releasably mated to said respective first coupler, said upper edge of said first finger portion of a respective first coupler curving upwardly between said pair of sidelong edges of said first finger portion of said respective first coupler such that said upper edge of said first finger portion of said respective first coupler is inhibited from snagging on said lower edge of said second finger portion of said respective second coupler, said lower edge of said second finger portion of a respective second coupler curving downwardly between said pair of sidelong edges of said second finger portion of said respective second coupler such that said lower edge of said second finger portion of said respective second coupler is inhibited from snagging on said upper edge of said first finger portion of said respective first coupler;
• and
• a plurality of second fasteners, each second fastener of said plurality of second fasteners being extendable through said front surface of a respective second plate portion of said pair of second plate portions of a respective second coupler, each second fastener of said plurality of second fasteners being extendable through said back surface of a respective second plate portion of said pair of second plate portions of a respective second coupler, respective ones of said plurality of second fasteners engaging said upper end of said lower rail wall for retaining a respective second coupler on said upper end of said lower rail, respective ones of said plurality of second fasteners engaging said upper end of said upper rail for retaining a respective second coupler on said upper end of said upper rail.