Portable apparatus and portable timepiece
AssigneeSeiko Instruments Inc.
InventorsHaruki HIRANUMA, Koremoto TAKEDA
Life of this patent
Estimating the term…
Abstract
A pushbutton of a portable apparatus is locked against inward axial movement by engagement with a locking member when the locking member is unthreaded a distance A from the apparatus body and brought into abutment with a fixed stopper member. The pushbutton is released from its locked state when the locking member is threaded into the apparatus body and brought out of abutment with the stopper member and into abutment with the apparatus body. In its unlocked state, a head portion of the pushbutton is axially spaced a distance B from an opposedly facing portion of the locking member, wherein A≦B.
Claims8
A portable apparatus comprising:
- an apparatus exterior body in which a through hole is formed;
- a pipe which includes an insertion sleeve portion which is inserted into the through hole and is fixed to the apparatus exterior body, and an externally arranged sleeve portion which is arranged outside the apparatus exterior body integrally with the insertion sleeve portion and on which a male threaded portion and a stopper portion are formed;
- a locking member which includes:
- a locking portion which is brought into contact with or is separated from the stopper portion;
- a recessed portion for button pushing;
- and a female threaded portion respectively, has the female threaded portion thereof threadedly engaged with the male threaded portion, and is mounted in a movable state in the axial direction of the pipe while covering the externally arranged sleeve portion;
- a push button which includes:
- a shaft portion which passes through the pipe;
- and a head which has an opposedly facing portion which opposedly faces a bottom surface of the recessed portion and is positioned outside the apparatus exterior body, and is provided in a movable state in the axial direction,
- a spring which biases the push button toward the outside of the apparatus exterior body, and
- a retainer ring which is mounted on a shaft end portion of the shaft portion which is positioned in the inside of the apparatus exterior body for preventing the removal of the push button from the pipe, wherein
- a spaced-apart distance A between the stopper portion and the locking portion which opposedly faces the stopper portion in a state where the locking member is positioned by being brought into contact with the apparatus exterior body and a spaced-apart distance B between the bottom surface and the opposedly facing portion in the same state are set to satisfy the relationship of A≦B.
Dependencies are inferred from the claim text.