Automatic door system, in particular in the form of a sliding door or a telescopic sliding door or a folding door

Automatic door system, in particular in the form of a sliding door or a telescopic sliding door or a folding door, comprising at least one first door leaf arrangement that has a first door leaf that is displaceable in the longitudinal direction of the door system on a first sub-stage, having the following features:

• at least one first drive device is provided, which is operatively connected to the at least one first door leaf of the at least one first door leaf arrangement in such a way that the at least one first door leaf is displaceable along the first sub-stage;
• a floor-side guide rail arrangement is provided, which extends in the longitudinal direction and comprises at least one first floor rail arrangement;
• the at least one first door leaf of the at least one first door leaf arrangement comprises an engagement element, the engagement element being arranged on a lower face of the at least one first door leaf;
• the at least one first floor rail arrangement comprises at least one first floor rail and at least one connection and/or functional element, the at least one connection and/or functional element being arranged and/or fixed on an end face of the at least one first floor rail and lengthening the first floor rail in the longitudinal direction;
• the at least one first floor rail comprises at least one first guide groove extending in the longitudinal direction;
• the at least one engagement element of the at least one first door leaf of the at least one first door leaf arrangement dips into the at least one first guide groove, and is guided in the longitudinal direction by the at least one first guide groove;
• the at least one connection and/or functional element has a lower thermal conductivity than the at least one first floor rail of the at least one first floor rail arrangement;
• the at least one first floor rail arrangement further comprises at least one second floor rail, which extends in the longitudinal direction;
• the first and the second floor rail each comprise an upper wall segment and two lateral wall segments, which connect to the upper wall segment and together enclose a cavity extending in the longitudinal direction, the first and/or second floor rail, in cross section, in the peripheral direction:
• a) being closed by a lower wall segment adjacent to the two side wall segments;
• or
• b) being open at least in portions towards the floor, and
• the first and the second floor rail having, at least on the first end faces thereof, an engagement opening through which the cavity is accessible;
• the at least one connection and/or functional element comprises at least one upper wall segment and two lateral wall segments, which connect to the upper wall segment, and is arranged between two first end faces, facing towards one another, of the two floor rails,
• wherein:
• the floor-side guide rail arrangement further comprises at least one carrier profile, which extends in the longitudinal direction and is arrangeable or arranged in a recess in the floor;
• the at least one carrier profile comprises a base wall and side walls, which extend away from the base wall and together enclose a receiving space;
• the receiving space is accessible via an upper face of the at least one carrier profile;
• the carrier profile comprises
• a) at least two support regions, which are spaced apart from one another, each support region being arranged between the upper face and the base wall and extending at least along a particular length in the longitudinal direction;
• or
• b) a support region formed by the base wall;
• the at least one first floor rail arrangement is in each case positioned on an upper support face, facing towards the at least one first door leaf, of the support regions,
• wherein:
• a first dielectric insulating element is arranged between the at least one first floor rail arrangement and the upper support face of the first support region, and a second dielectric insulating element is arranged between the upper support face of the second support region and the at least one first floor rail arrangement;
• or
• a dielectric insulating plate is arranged between the at least one first floor rail arrangement and the upper support face of the first support region and the upper support face of the second support region.

Automatic door system, in particular in the form of a sliding door or a telescopic sliding door or a folding door, comprising at least one first door leaf arrangement that has a first door leaf that is displaceable in the longitudinal direction of the door system on a first sub-stage, having the following features:

• at least one first drive device is provided, which is operatively connected to the at least one first door leaf of the at least one first door leaf arrangement in such a way that the at least one first door leaf is displaceable along the first sub-stage;
• a floor-side guide rail arrangement is provided, which extends in the longitudinal direction and comprises at least one first floor rail arrangement;
• the at least one first door leaf of the at least one first door leaf arrangement comprises an engagement element, the engagement element being arranged on a lower face of the at least one first door leaf;
• the at least one first floor rail arrangement comprises at least one first floor rail and at least one connection and/or functional element, the at least one connection and/or functional element being arranged and/or fixed on an end face of the at least one first floor rail and lengthening the first floor rail in the longitudinal direction;
• the at least one first floor rail comprises at least one first guide groove extending in the longitudinal direction;
• the at least one engagement element of the at least one first door leaf of the at least one first door leaf arrangement dips into the at least one first guide groove, and is guided in the longitudinal direction by the at least one first guide groove;
• the at least one connection and/or functional element has a lower thermal conductivity than the at least one first floor rail of the at least one first floor rail arrangement;
• the at least one first floor rail arrangement further comprises at least one second floor rail, which extends in the longitudinal direction;
• the first and the second floor rail each comprise an upper wall segment and two lateral wall segments, which connect to the upper wall segment and together enclose a cavity extending in the longitudinal direction, the first and/or second floor rail, in cross section, in the peripheral direction:
• a) being closed by a lower wall segment adjacent to the two side wall segments;
• or
• b) being open at least in portions towards the floor, and
• the first and the second floor rail having, at least on the first end faces thereof, an engagement opening through which the cavity is accessible;
• the at least one connection and/or functional element comprises at least one upper wall segment and two lateral wall segments, which connect to the upper wall segment, and is arranged between two first end faces, facing towards one another, of the two floor rails,
• wherein:
• the at least one first guide groove in the first floor rail extends within the upper wall segment;
• in cross section, the first floor rail is:
• a) separated by the at least one first guide groove into two mutually separated delimiting profiles or square tubes, which extend parallel;
• or
• b) closed, causing the upper wall segment to extend offset towards the opposite lower wall segment in the region of a groove base of the first guide groove and
• i) to end spaced apart therefrom;
• or
• ii) to be connected thereto, causing the cavity to be subdivided into two mutually separated chambers;
• or
• c) open towards the floor, the walls of the first guide groove extending approximately parallel to the lateral wall segments of the first floor rail, which connect to the upper wall segment;
• and/or
• the second floor rail:
• a) comprises the at least one first guide groove, which extends within the upper wall segment and, in cross section, is:
• (1) separated by the at least one first guide groove into two mutually separated delimiting profiles or square tubes, which extend parallel;
• or
• (2) closed, causing the upper wall segment to extend offset towards the opposite lower wall segment in the region of the groove base of the first guide groove and
• i) to end spaced apart therefrom;
• or
• ii) to be connected thereto, causing the cavity to be subdivided into two mutually separated chambers;
• or
• (3) open towards the floor, the walls of the guide groove extending approximately parallel to the lateral wall segments of the second floor rail, which connect to the upper wall segment;
• or
• b) is free of a guide groove in the upper wall segment thereof;
• and/or
• the at least one connection and/or functional element:
• a)—comprises the at least one first guide groove, which extends within the upper wall segment;
• and,
• in cross section, is:
• closed, causing the upper wall segment to extend offset towards an opposite lower wall segment in the region of the groove base of the first guide groove and
• i) to end spaced apart therefrom;
• or
• ii) to be connected thereto, causing the cavity to be subdivided into two mutually separated chambers;
• or
• open towards the floor, the walls of the guide groove extending approximately parallel to the lateral wall segments of the at least one connection and/or functional element, which connect to the upper wall segment;
• or
• b) is free of a guide groove at the upper wall segment thereof, and
• wherein the at least one connection and/or functional element comprises a brush arrangement, which comprises at least one brush row that protrudes from the upper wall segment towards the lower face of the at least one first door leaf of the at least one first door leaf arrangement.