Patent application number | Description | Published |
20120055290 | STEERING DEVICE FOR A RATCHET SCREWDRIVER - A steering device for a ratchet screwdriver includes a base. The base has a receiving hole defined therein. Two receiving grooves are defined in the base. A moving slot is comparted from receiving hole. A ratchet rod is partially received in the base. The ratchet rod includes a spindle and a ratchet wheel disposed on the spindle. Two blockers are respectively received in the two receiving grooves. Each blocker has unidirectional teeth formed on one end thereof for selectively engaging with the ratchet wheel. A housing is sleeved on the base. The housing has a protrusion disposed on an interior thereof for inserting into the moving slot. | 03-08-2012 |
20120192683 | HAND TOOL WITH A BUSHING - A hand tool with a bushing includes a receiving space defined in a driving head thereof, a ratchet assembly movably received in the receiving space for adapting to driving a work piece, and a bushing disposed between the ratchet assembly and an inner periphery of the receiving space. The ratchet assembly has an outer configuration substantially corresponding in geometry to the receiving space. When the ratchet assembly is operated, the bushing is able to sustain a wear of the ratchet assembly. | 08-02-2012 |
20120297935 | RATCHET WRENCH HAVING EASILY ASSEMBLING STRUCTURE - A ratchet wrench having easily assembling structure includes a body, a D-head, a loose ratchet, a heart-shaped spring, a disc and a ring. The body has a head portion. The head portion has a through hole. A plurality of teeth is uniformly defined on the through hole. The D-head is rotatably disposed in the through hole and has a connecting member and a threaded member. The loose ratchet is disposed on the D-head. The heart-shaped spring has a closed tip. The disc is disposed on the head portion. A shouldered hole is opened on the disc. A ring is disposed onto the shouldered hole. The ring is disposed onto the shouldered hole. Under this arrangement, a user engages a tool bit with the connecting member of the present invention to lock a bolt by repeatedly rotating the body of the present invention clockwise/counterclockwise. | 11-29-2012 |
20120304831 | STEERING DEVICE FOR A RATCHET SCREWDRIVER - A steering device for a ratchet screwdriver includes a base. The base has a receiving hole defined therein. Two receiving grooves are defined in the base. A moving slot is comparted from receiving hole. A ratchet rod is partially received in the base. The ratchet rod includes a spindle and a ratchet wheel disposed on the spindle. Two blockers are respectively received in the two receiving grooves. Each blocker has unidirectional teeth formed on one end thereof for selectively engaging with the ratchet wheel. A housing is sleeved on the base. The housing has a protrusion disposed on an interior thereof for inserting into the moving slot. | 12-06-2012 |
20130152742 | WRENCH WITH RATCHET DEVICE - A wrench with ratchet device includes a wrench body, a ratchet and a control set. The wrench body has a receiving room and a switch room defined therein. The switch room has an opening defined at the front side of the wrench body. A ratchet is assembled into the receiving room and the switch room. A control set assembled into the switch room further comprises two driving blocks, a control member and a switch member. Under this arrangement, when the switch member is moved to one direction, the ratchet is only rotated along the one direction incrementally by one driving block boosting. In contrast, when the ratchet is forced to rotate to the opposite direction, the ratchet is free rotating and not working. | 06-20-2013 |
20130213190 | RATCHET WRENCH WITH A BUSHING - A ratchet wrench includes a wrench head, a ratchet assembly and a bushing. The wrench head is made of metal and defines a cavity therein. The ratchet assembly is disposed in the cavity of the wrench head and has an outer configuration corresponding in shape to a periphery of the cavity of wrench head and being slightly smaller than the cavity of the wrench head. The bushing is made of a metal with a hardness greater than that of the wrench head and is fitted in a clearance defined between the ratchet assembly and an inner wall of the cavity of the wrench head. Moreover, the bushing has a substantially consistent thickness so that the bushing has an outer periphery and an inner periphery both corresponding in shape to the periphery of the cavity. | 08-22-2013 |
20140123816 | WRENCH DEVICE WITH A PLURALITY OF DRIVING HOLES - A wrench device with a plurality of driving holes includes a wrench body having two first through holes, each first through hole having an opening end and a positioning end which having two positioning grooves defined thereon, the two positioning grooves corresponding to each other, two actuating member having two driving holes and a positioning block, each driving hole having a first ratchet ring and a second ratchet ring, each positioning block passing through each corresponding first through hole, each positioning block having a positioning slice, a flexible assembly received into the positioning block. Under this arrangement, a user rotates the actuating member relative to the wrench body so as to change the driving hole, so that the user unlocks the screws with different size rapidly and easily. | 05-08-2014 |
20140196577 | REVERSIBLE RATCHET WRENCH - A ratchet wrench includes a wrench body and a ratchet assembly disposed in the wrench body. The ratchet assembly includes a ratchet wheel, a Y-shaped bar, two pawls, a pawl spring and a switch member. The Y-shaped bar has a pair of prongs splayed laterally apart. Each of the pawls is engageable with the ratchet wheel and defines a bore in a lower corner thereof for reception of the respective prong of the Y-shaped bar. The pawl spring is disposed between the pawls. The switch member is partly positioned on an exterior of the wrench body, and operable to drive the Y-shaped bar to direct either one of the pawls to engage with the ratchet wheel. | 07-17-2014 |
20140230610 | WRENCH DEVICE - A wrench device includes a first handle and a second handle. The first handle has a pivotal connecting segment and a driving head defined at two ends thereof respectively. The pivotal connecting segment has a groove defined around an outer periphery thereof. The second handle has a pivotal connecting recess and a driving part defined at two ends thereof respectively. The pivotal connecting segment of the first handle is pivotally inserted into the pivotal connecting recess of the second handle. The second handle has a side screwed hole opened on a surface therethrough. The side screwed hole communicates with the pivotal connecting recess and corresponds to the groove. A position member is screwed into the side screwed hole. Therefore, when either the driving head or the driving part is broken, the first handle and the second handle can be separated by unscrewing the position member from the side screwed hole. | 08-21-2014 |
20140238205 | DRIVING HEAD WITH AN ELASTIC BUCKLE - A driving head with an elastic buckle includes a driving head having an engaging room which has a first limiting slot and a second limiting slot, an elastic buckle being assembled with the engaging room and having a connecting segment, a first abutting segment and a second abutting segment, the first abutting segment and the second abutting segment being received in the first limiting slot and the second abutting slot respectively, the first abutting segment having a first abutting portion slightly bent inwardly. Under this arrangement, the first abutting segment and the second abutting segment abut against an outer periphery of a tool bit, so that the tool bit does not depart from the engaging room easily during operation. | 08-28-2014 |
20140311300 | RATCHET TOOL DEVICE - A ratchet tool device includes a wrench body, a receiving hole and a receiving space opened at a top end of the wrench body, the receiving space axially opened from an inner wall of the receiving hole toward a bottom end of the wrench body, the receiving space communicating with the receiving hole, a ratchet wheel received in the receiving hole, a pawl set having a first pawl, a second pawl and an abutting elastomer, a switching set having a switching member and a positioning member, the switching member assembled to the wrench body and sealing the receiving space, the switching member having a driving block, the first pawl and the second pawl both assembled to the driving block. | 10-23-2014 |