TWM533245U - Gravitational timer - Google Patents

Gravitational timer

Info

Publication number
TWM533245U
TWM533245U TW105210955U TW105210955U TWM533245U TW M533245 U TWM533245 U TW M533245U TW 105210955 U TW105210955 U TW 105210955U TW 105210955 U TW105210955 U TW 105210955U TW M533245 U TWM533245 U TW M533245U
Authority
TW
Taiwan
Prior art keywords
column
tube
gravitational
timer
weighted
Prior art date
Application number
TW105210955U
Other languages
Chinese (zh)
Inventor
Nai-Wen Chang
Original Assignee
Univ Chung Hua
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Chung Hua filed Critical Univ Chung Hua
Priority to TW105210955U priority Critical patent/TWM533245U/en
Publication of TWM533245U publication Critical patent/TWM533245U/en

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  • Toys (AREA)

Abstract

A gravitational timer consist of elongated body and a weighted object. The elongated body is either a tube or a column. The weighted object is kept in the tube or circle the column, and it is attached to the elongated body. The weighted object is necessarily visible. If a tube, the body is transparent or with a vertical groove. If the body is a column, the object will be totally visible. When the body erect, the object will be effected by gravity and attached to the body with kinetic friction effecting, making the object descends along the body in a constant speed.
TW105210955U 2016-07-20 2016-07-20 Gravitational timer TWM533245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW105210955U TWM533245U (en) 2016-07-20 2016-07-20 Gravitational timer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW105210955U TWM533245U (en) 2016-07-20 2016-07-20 Gravitational timer

Publications (1)

Publication Number Publication Date
TWM533245U true TWM533245U (en) 2016-12-01

Family

ID=58225902

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105210955U TWM533245U (en) 2016-07-20 2016-07-20 Gravitational timer

Country Status (1)

Country Link
TW (1) TWM533245U (en)

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Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees