Push button and method for assembling such push button

Details Push button and method for assembling such push button Push button and method for assembling such push button

1997-07-22

1998-05-12

Miska, Vit W.

Horology: time measuring systems or devices

Cases

With protection means

368319, G04B 304, G04B 3710

Patent

active

057516685

ABSTRACT:
Push button comprising a stem (10), provided with a head (5) able to be manipulated and sliding into an opening (2) provided in the middle part (3) of a timepiece, and stopping means preventing the removal of said stem (10), wherein the stem (10) comprises, on the head side (5), a main cylindrical body (11) extended by a shank (13) separated from the latter by a groove (12) intended to receive an O-ring sealing gasket (30), said shank (13) having at its end an axial stud (17) ending in an annular rim (18), and the stopping means comprise a sleeve (20) inserted between the wall of the opening (2) and the shank (13), partially blocked by a ring (22) of greater external diameter than that of the opening (2) and of substantially equal aperture to the diameter of the stud (17), said (20) sleeve compressing the O-ring sealing gasket (30) and being fixed to the shank (13) by riveting of the annular rim (18).

REFERENCES:
patent: 1096304 (1914-05-01), Hunter
patent: 2391803 (1945-12-01), Simon
patent: 4118923 (1978-10-01), Bourquard
patent: 5299179 (1994-03-01), Miche et al.

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