A method for production of a horology assembly of two components, comprising (i) supplying a first component (2) being a spring, and comprising at least one element made of elastic material provided with a tongue (20); supplying a second component (3) provided with at least one cut-out or opening (31, 32); permanently assembling the two components. The two components cooperate by means of an obstacle such as to create the assembly, and in particular the tongue is accommodated in the at least one cut-out or opening (31, 32).

A method for production of a horology assembly of two components, comprising (i) supplying a first component (2) being a spring, and comprising at least one element made of elastic material provided with a tongue (20); supplying a second component (3) provided with at least one cut-out or opening (31, 32); permanently assembling the two components. The two components cooperate by means of an obstacle such as to create the assembly, and in particular the tongue is accommodated in the at least one cut-out or opening (31, 32).

A drive member and a mechanism for a timepiece including such a drive member includes at least two monolithic units stacked and connected in series, each of these units including a hub and a rim which are connected by at least one elastic arm.

A drive member and a mechanism for a timepiece including such a drive member includes at least two monolithic units stacked and connected in series, each of these units including a hub and a rim which are connected by at least one elastic arm.

A mechanical connection device, in particular a mechanical connection device for a timepiece or a mechanical transmission device for a timepiece, includes a first part having a first area with at least a first micro-cavity; and a second part having a second area with at least a second micro-cavity, the first and second areas being in contact with one another in a mechanical connection configuration.

A timepiece mainspring is accommodated inside a barrel, an inner end thereof is fixed to a barrel arbor included in the barrel, and an outer end thereof engages with an inner wall of the barrel. The timepiece mainspring includes a helical portion wound in a Bernoulli curve shape from the inner end in a free state having no applied load.

A timepiece mainspring is accommodated inside a barrel, an inner end thereof is fixed to a barrel arbor included in the barrel, and an outer end thereof engages with an inner wall of the barrel. The timepiece mainspring includes a helical portion wound in a Bernoulli curve shape from the inner end in a free state having no applied load.

A mainspring includes a spiral metal strip and a hooking area formed in an inner face of an inner end of the strip, the hooking area including at least one shaped portion and at least one cavity in the inner face of the inner end.

A mainspring includes a spiral metal strip and a hooking area formed in an inner face of an inner end of the strip, the hooking area including at least one shaped portion and at least one cavity in the inner face of the inner end.

A method for production of a horology assembly of two components, comprising (i) supplying a first component (2) being a spring, and comprising at least one element made of elastic material provided with a tongue (20); supplying a second component (3) provided with at least one cut-out or opening (31, 32); permanently assembling the two components. The two components cooperate by means of an obstacle such as to create the assembly, and in particular the tongue is accommodated in the at least one cut-out or opening (31, 32).