A device for the articulated assembly of instruments creeping and tips on the branches of a compass, and the compass of drawing including application of this device

摘要

The element to be interchangeable a mount 2 comprises a body 3 produced in a material synthetic possessing a certain elasticity. A cylindrical recess 14, lead to on the sides 13 of the body 3, also communicates with a end of the body 3 by a passage 15. The end of the rocking member 1 is split and comprises two lugs spaced 5 retaining between them a transverse axis 8, on which the element a mount 2 is secured by clipping. The means 11 assure the tightening of the two lugs 5 in order to obtain, by friction, the braking the rotation of the element 2. / p & & p & application to the mounting of all of the writing instruments or of their supports, such as door - mines and carries - pens, as well as of points dry, on the compass or balusters.