Class / Patent application number | Description | Number of patent applications / Date published |
279099000 | Screw threaded | 6 |
20090174157 | Tool connecting device - A tool connecting device includes a mandrel having a non-circular engaging hole for receiving a tool member, and having an outer peripheral recess for forming a peripheral shoulder, and a sleeve slidably engaged onto the mandrel and having a retaining ring frictionally engaged in the sleeve for slidably engaging with the peripheral recess of the mandrel and for limiting the sleeve to slide relative to the mandrel, the retaining ring is engageable with the peripheral shoulder of the mandrel for preventing the sleeve from being disengaged from the mandrel, and the tool member is extendible out of the sleeve for engaging with a fastener. The sleeve may limit the tool member to extend out of the sleeve. | 07-09-2009 |
20090184479 | Clamping Tool - A clamping tool includes a holder, a connector and a tool. The holder has a rearwardly tapering bore and a holder thread having a first pitch. The connector has a cylindrical shape and a connector through bore. The connector further has a first connector thread having a pitch similar to the first pitch, and a second connector thread having a second pitch that is different from the first pitch. The tool has a rearwardly tapering rear portion and a tool thread having a pitch similar to the second pitch. In an assembled position, the rearwardly tapering rear portion of the tool abuts the rearwardly tapering bore of the holder, the holder thread is threadingly engaged with the first connector thread, and the tool thread is threadingly engaged with the second connector thread. | 07-23-2009 |
20100007102 | BIT HOLDER - A bit holder includes a shank, and a bit sleeve. The shank has a first end portion of a non-circular geometric equiangular cross-section for combining a hand tool, and a second end portion formed with a combining hole having female threads in its wall. The bit sleeve has a through hole for a bit to extend therein, male threads and a circular circumference. The bit sleeve is combined with the shank by engagement of the male threads with the female threads, and the bit sleeve may be rotated to fix with or loosen from the shank by an auxiliary tool for changing the bit. In assembling, the bit is inserted through the through hole of the bit sleeve, and then the male threads of the bit sleeve are engaged with the female threads of the shank by an auxiliary tool fitted with the circular circumference and rotated to keep the bit combined with the shank, with the bit sleeve pressing the bit so as to minimize the tolerance of the gap between them, thus enabling the bit to drive a screw smoothly into an object. | 01-14-2010 |
20110309588 | DEVICE FOR FASTENING A RING-SHAPED MILLING TOOL CARRIER - A device for attaching a ring-shaped milling tool carrier ( | 12-22-2011 |
20140159323 | CHUCK FOR A BALL-NOSE MILLING CUTTER - The description comprises a chuck for clamping a ball-nose milling cutter, comprising: a worm gear unit with a worm gear | 06-12-2014 |
279100000 | Nut lock | 1 |
20150290718 | ASSEMBLY FOR TIGHTENING AND SECURING MALE AND FEMAILE PARTS FITTED TOGETHER - An assembly for tightening and securing includes a first male part and a second female part fitted together, which have complementary forms. The fitting includes at least one contact surface of the first part with the second part. The assembly also includes at least one annular means mounted on the periphery of one of the two parts. The annular means is connected in a translational manner to the part on which the annular means is mounted when the annular means abuts with the part on which the means is mounted, and arranged to interact with a peripheral surface of the complementary part during a rotation of the annular means in relation to the complementary part. | 10-15-2015 |