IP Library › Granted Patent US 12,645,184
Granted Patent B2
US 12,645,184 · App. 18/654,688 · Granted Jun 2, 2026

Case and timepiece

Inventors: Yoshiki Nakatsuka (Higashiyamato, JP); Takao Matsuda (Tokyo, JP)
Assignee: CASIO COMPUTER CO., LTD.
G04B37/0008G04B37/1486G04B37/22
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Quick Facts
Patent No.
US 12,645,184
App. No.
18/654,688
Granted
Jun 2, 2026
Kind
B2
Abstract

A case including a first case which has a retaining portion provided on an outer circumference thereof, an exterior member which has an engaging portion with which the retaining portion engaged, and covers the outer circumference of the first case, a second case which is arranged on upper parts of the first case and the exterior member, and a fastening member which attaches the second case to the first case by fastening the second case to the exterior member.

Claims (50)

1 . A timepiece case comprising:

a case comprising a retaining portion provided on an outer circumference of the case;

an exterior member comprising an engaging portion with which the retaining portion is engaged, and covers the outer circumference of the case; and

a fastening member which fastens the case to the exterior member,

wherein an uppermost surface of the case is positioned above an uppermost surface of the exterior member.

2 . The timepiece case according to claim 1 ,

wherein the retaining portion is provided to project outward from an outer circumferential surface of the case, and

wherein the engaging portion is provided to be recessed in an inner circumferential surface of the exterior member, and the retaining portion is inserted into and engaged with the engaging portion from above the exterior member.

3 . The timepiece case according to claim 1 ,

wherein at least a portion of an upper surface of the case and at least a portion of an upper surface of the exterior member are substantially flush with each other.

4 . The timepiece case according to claim 2 ,

wherein the fastening member includes a head section and a screw section, and

wherein the screw section is inserted into the exterior member.

5 . The timepiece case according to claim 1 ,

wherein a space is formed between opposing surfaces of the case and the exterior member.

6 . The timepiece case according to claim 2 , wherein a space is formed between opposing surfaces of the case and the exterior member.

7 . The timepiece case according to claim 3 , wherein a space is formed between opposing surfaces of the case and the exterior member.

8 . The timepiece case according to claim 4 , wherein a space is formed between opposing surfaces of the case and the exterior member.

9 . The timepiece case according to claim 1 , further comprising:

a band attachment portion provided projecting on an outer circumference of the exterior member; and

a fixing portion provided on the case and arranged in the band attachment portion,

wherein the fixing portion and the band attachment portion of the exterior member are attached to each other by the fastening member.

10 . The timepiece case according to claim 2 , further comprising:

a band attachment portion provided projecting on an outer circumference of the exterior member; and

a fixing portion provided on the case and arranged in the band attachment portion,

wherein the fixing portion and the band attachment portion of the exterior member are attached to each other by the fastening member.

11 . The timepiece case according to claim 3 , further comprising:

a band attachment portion provided projecting on an outer circumference of the exterior member; and

a fixing portion provided on the case and arranged in the band attachment portion,

wherein the fixing portion and the band attachment portion of the exterior member are attached to each other by the fastening member.

12 . The timepiece case according to claim 4 , further comprising:

a band attachment portion provided projecting on an outer circumference of the exterior member; and

a fixing portion provided on the case and arranged in the band attachment portion,

wherein the fixing portion and the band attachment portion of the exterior member are attached to each other by the fastening member.

13 . The timepiece case according to claim 9 ,

wherein the fastening member is a screw member, and

wherein a cutout portion where a head of the screw member is arranged is provided in an outer side surface of the case while corresponding to the fixing portion.

14 . The timepiece case according to claim 10 ,

wherein the fastening member is a screw member, and

wherein a cutout portion where a head of the screw member is arranged is provided in an outer side surface of the case while corresponding to the fixing portion.

15 . The timepiece case according to claim 14 ,

wherein the fastening member, the case, and the exterior member are on a straight line and overlap with one another in a planar view.

16 . The timepiece case according to claim 15 ,

wherein the case is formed of a hard synthetic resin or metal, and the exterior member is formed of metal.

17 . The timepiece case according to claim 1 , wherein the engaging portion is plurally included in the exterior member.

18 . The timepiece case according to claim 1 , a lowermost surface of the case is positioned above a lowermost surface of the exterior member.

19 . A timepiece comprising:

a module or a glass; and

the timepiece case according to claim 1 ,

wherein the case houses the module or the glass is attached to the case.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 6, 2024
From: NAKATSUKA, YOSHIKI; MATSUDA, TAKAO
To: CASIO COMPUTER CO., LTD.
Reel/Frame 067320/0060 →
Priority Claims (2)
JP 2020-039690 · Mar 9, 2020 · national
JP 2020-146875 · Sep 1, 2020 · national
Continuity (2)
Continuation 17196505 · Mar 9, 2021
Related Publication 20240280940A1 · Aug 22, 2024
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