Assembly for retaining a boot on an apparatus for gliding or walking on snow or ice

An assembly for retaining a boot on a gliding or walking apparatus, said assembly comprising:

• a boot;
• and
• an interface device adapted to receive the boot and to be assembled to the gliding or walking apparatus, the device including an elongated base, extending in a longitudinal direction, said base being adapted to support said boot and comprising, in an upper portion, a device for retaining the boot and, in a lower portion, a device for assembly to the gliding apparatus, said retaining device comprising retaining members, located along a direction transverse to said longitudinal direction of said base, or set back with respect to the ends of the base along a longitudinal direction, said retaining members being structured to cooperate with complementary members for attaching said boot, said assembly device including a non-releasable release mechanism with automatic return.