Citizen Watch Company, Ltd.

Hiromichi Nagata

Tomomi Murakami

Satoru Fukutome

Masakazu Funazawa

Structure for securing a band to a watch case which has a pair of legs and a cover between the legs at a band-connected side thereof. A connecting member having an L-shaped cross section is secured to an end of the band. A threaded hole is provided in each leg and a screw having a taper end is screwed in the threaded hole. The taper end is engaged with the connecting member, so that the connecting member is pressed against the side wall of the watch case.

Structure for securing a band to a watchcase

An electronic watch structure comprising separate molded plastic rectangular packages for the electronic watch movement and for the battery. The separate packages are mechanically and electrically connected together. The electronic watch movement package comprises two rectangular molded plastic halves having recesses, projections and hooks molded therein to hold the associated elements of the electronic watch movement in place. The movement package also includes a rectangular packing clamped between the halves of the package to form a waterproof seal. Furthermore, the battery in the battery package is electrically coupled to the electronic watch movement by conductive rubber composition members.

Electronic watch structure

A packing means for waterproofing a watch case having a non-conductive, flexible ring portion and a conductive yet flexible arm member is disclosed. The packing device is disposed in a watch case and allows for an electrical connection to be made between the watch and an external device. The ring member is made of a resilient, non-conductive, flexible material and is disposed in the watch case so as to be sandwiched between the top and bottom members thereof. At least one arm member also made of a resilient flexible material having first and second ends is coupled to the ring and extends into the center thereof. However, the arm member is conductive and electrically couples the watch (the internal components) with the external device. The arm member is coupled to the ring member such that the substantially watertight seal in the watch case is not destroyed. By the use of the instant packing means of the present invention, a substantially waterproof seal in the watch case is achieved while permitting an external device to be electrically and flexibly coupled to the watch without destruction of the waterproof seal.

Growing community of inventors

Higashimurayama-shi, Japan

Hiromichi Nagata