TWI255753B - Ratchet screwdriver - Google Patents

Ratchet screwdriver

Info

Publication number
TWI255753B
TWI255753B TW94113869A TW94113869A TWI255753B TW I255753 B TWI255753 B TW I255753B TW 94113869 A TW94113869 A TW 94113869A TW 94113869 A TW94113869 A TW 94113869A TW I255753 B TWI255753 B TW I255753B
Authority
TW
Taiwan
Prior art keywords
tugging
pieces
positioning seat
ratchet
screw cap
Prior art date
Application number
TW94113869A
Other languages
Chinese (zh)
Other versions
TW200637693A (en
Inventor
Shiuan-Sen Shiau
Original Assignee
Stand Tools Entpr Co Ltd
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 Stand Tools Entpr Co Ltd filed Critical Stand Tools Entpr Co Ltd
Priority to TW94113869A priority Critical patent/TWI255753B/en
Application granted granted Critical
Publication of TWI255753B publication Critical patent/TWI255753B/en
Publication of TW200637693A publication Critical patent/TW200637693A/en

Links

Landscapes

  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The present invention relates to a ratchet screwdriver, comprising: a holding grip and a ratchet unit installed on the holding grip. The ratchet unit comprises a positioning seat fixed on the holding grip, a ratchet wheel axially disposed in the positioning seat, two tugging pieces installed between the positioning seat and the ratchet wheel, two flexible components providing the tugging pieces with the shift inclination to face the ratchet wheel, and a screw cap covering the positioning seat. The tugging pieces have a plurality of latching teeth corresponding to the indents and convex parts installed on one side. The screw cap has a driving part capable of tugging the convex parts of the tugging pieces; thus, the coupling direction can be switched by the rotation of the screw cap.
TW94113869A 2005-04-29 2005-04-29 Ratchet screwdriver TWI255753B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94113869A TWI255753B (en) 2005-04-29 2005-04-29 Ratchet screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94113869A TWI255753B (en) 2005-04-29 2005-04-29 Ratchet screwdriver

Publications (2)

Publication Number Publication Date
TWI255753B true TWI255753B (en) 2006-06-01
TW200637693A TW200637693A (en) 2006-11-01

Family

ID=37613958

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94113869A TWI255753B (en) 2005-04-29 2005-04-29 Ratchet screwdriver

Country Status (1)

Country Link
TW (1) TWI255753B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI382895B (en) * 2010-07-09 2013-01-21 Direction changing structure for a ratchet hand tool
TWI415718B (en) * 2012-05-02 2013-11-21
TWI473688B (en) * 2013-02-08 2015-02-21 Kabo Tool Co Double ratchet structure, wrench, and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI382895B (en) * 2010-07-09 2013-01-21 Direction changing structure for a ratchet hand tool
TWI415718B (en) * 2012-05-02 2013-11-21
TWI473688B (en) * 2013-02-08 2015-02-21 Kabo Tool Co Double ratchet structure, wrench, and method

Also Published As

Publication number Publication date
TW200637693A (en) 2006-11-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees