IP Library Granted Patent US 9,176,477
Granted Patent B2
US 9,176,477 · App. 14/243,242 · Granted Nov 3, 2015

Timepiece

Inventors: Toyonori Muraji (Tokyo, JP); Hiroshi Takematsu (Tokyo, JP)
Assignee: SEIKO CLOCK INC.
G04B45/0038G04B45/0023
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Quick Facts
Patent No.
US 9,176,477
App. No.
14/243,242
Granted
Nov 3, 2015
Kind
B2
Abstract

A timepiece includes: a base board; a rotary board rotatable relative to the base board; a gear rotatably supported by the rotary board; and an ornamental body connected to the gear.

Claims (20)

1. A timepiece comprising:

a base board;

a rotary board rotatable relative to the base board;

a gear rotatably supported by the rotary board; and

an ornamental body connected to the gear,

wherein

the base board includes:

an inner teeth portion formed into a round shape with a center as a rotational center of the rotary board; and

an outer teeth portion coaxially formed with the inner teeth portion and positioned inside the inner teeth portion,

the rotary board includes:

a first spindle portion closer to the outer teeth portion than to the inner teeth portion; and

a second spindle portion closer to the inner teeth portion than to the outer teeth portion, and

the gear includes at least one of a first gear and a second gear, the first gear being rotatably supported by the first spindle portion and meshing with the outer teeth portion, the second gear being rotatably supported by the second spindle portion and meshing with the inner teeth portion.

2. The timepiece of claim 1 , wherein the gear revolves while rotating.

3. The timepiece of claim 1 , wherein the first and second gears rotate in opposite directions and revolve in a same direction, while the rotary board is rotating in a direction.

4. The timepiece of claim 1 , wherein a rotational speed of the first gear is smaller than that of the second gear.

5. The timepiece of claim 1 , wherein the first and second gears are the same in shape and size.

6. The timepiece of claim 1 , wherein

the ornamental body includes first and second ornament bodies respectively connected to the first and second gears, and

the first and second ornament bodies are different from each other in height from the rotary board.

Assignments (2)
MERGER Recorded Sep 29, 2021
From: SEIKO CLOCK INC.
To: SEIKO TIME CREATION INC.
Reel/Frame 057631/0791 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 28, 2014
From: MURAJI, TOYONORI; TAKEMATSU, HIROSHI
To: SEIKO CLOCK INC.
Reel/Frame 032770/0390 →
Priority Claims (1)
JP 2013-090779 · Apr 23, 2013 · national
Continuity (1)
Related Publication 20140313864A1 · Oct 23, 2014