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Class Information
Number: 81/60
Name: Tools > Wrench, screwdriver, or driver therefor > Handle clutched to head > One-way detent drive, e.g., ratchet
Description: Wrench or screwdriver wherein the clutching elements include a catch, dog, pawl or similar detent means, so arranged that movement of the handle in one direction will drive the head while movement in the opposite direction permits relative rotation of the head and handle.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600451 |
Detachable surgical ratchet |
Oct. 13, 2009 |
| 7597032 |
Torque wrench as a ratchet instrument for the medical field |
Oct. 6, 2009 |
| 7587961 |
Reversible ratchet tool |
Sep. 15, 2009 |
| 7584686 |
Quick release mechanism for socket wrench |
Sep. 8, 2009 |
| 7581471 |
Over torque proof socket |
Sep. 1, 2009 |
| 7536934 |
Ratchet tool |
May. 26, 2009 |
| 7520198 |
Ratchet screwdriver |
Apr. 21, 2009 |
| 7503443 |
Torque control mechanism |
Mar. 17, 2009 |
| 7497148 |
Swiveling driver |
Mar. 3, 2009 |
| 7475619 |
Over torque proof socket |
Jan. 13, 2009 |
| 7472629 |
Ratchet wrench |
Jan. 6, 2009 |
| 7467574 |
Versatile folding ratchet tool |
Dec. 23, 2008 |
| 7454997 |
Axial pawl ratchet mechanism |
Nov. 25, 2008 |
| 7448300 |
360 degree rotatable ratchet socket drive body tapered for various axially driven external driving components |
Nov. 11, 2008 |
| 7444903 |
Ratchet wrench having reinforced strength |
Nov. 4, 2008 |
| 7424837 |
Quick switch hand tool |
Sep. 16, 2008 |
| 7421772 |
Ratcheting driver with pivoting pawls and method of arranging same |
Sep. 9, 2008 |
| 7380481 |
Pass through socket and ratchet wrench combination |
Jun. 3, 2008 |
| 7370560 |
Ratchet wrench |
May. 13, 2008 |
| 7363838 |
Ratcheting torque wrench |
Apr. 29, 2008 |
| 7353735 |
Ratchet wrench |
Apr. 8, 2008 |
| 7340983 |
Spanner with prevention of disengagement of fasteners |
Mar. 11, 2008 |
| 7331258 |
Tire-assembly spanner |
Feb. 19, 2008 |
| 7331257 |
Returning assembly of spanner |
Feb. 19, 2008 |
| 7311018 |
Wrench |
Dec. 25, 2007 |
| 7305907 |
Skateboard tool |
Dec. 11, 2007 |
| 7287448 |
Reversible high-torque screwdriver |
Oct. 30, 2007 |
| 7281452 |
Wrench having a ratchet head able to vertically and horizontally rotate for 360.degree. |
Oct. 16, 2007 |
| 7263919 |
Ratcheting tool with vertically curved tooth arrangement |
Sep. 4, 2007 |
| 7261019 |
Returning assembly of spanner |
Aug. 28, 2007 |
| 7249539 |
Open end ratchet wrench |
Jul. 31, 2007 |
| 7246544 |
Rotary wrench |
Jul. 24, 2007 |
| 7243577 |
Lug wrench having ratchet assembly in the socket head |
Jul. 17, 2007 |
| 7243388 |
Mupti-function wrench |
Jul. 17, 2007 |
| 7237460 |
Biasing arrangement for a pawl of a reversible ratchet-type wrench |
Jul. 3, 2007 |
| 7225708 |
Ratchet tool having smooth engaging member |
Jun. 5, 2007 |
| 7194934 |
Ratcheting torque wrench |
Mar. 27, 2007 |
| 7185564 |
Pipe wrench having a fixed positioning ring |
Mar. 6, 2007 |
| 7181997 |
Ratchet screwdriver and method of making same |
Feb. 27, 2007 |
| 7178429 |
Easy-to-assemble ratcheting tool |
Feb. 20, 2007 |
| 7174810 |
Selective one-way tool |
Feb. 13, 2007 |
| 7168342 |
Ratchet screwdriver with actuator cap and method |
Jan. 30, 2007 |
| 7165479 |
Selective one-way wrench |
Jan. 23, 2007 |
| 7155998 |
T-shaped ratchet wrench |
Jan. 2, 2007 |
| 7152508 |
Ratchet extraction wrench |
Dec. 26, 2006 |
| 7143669 |
Wrench combination |
Dec. 5, 2006 |
| 7137319 |
Ratchet wrench |
Nov. 21, 2006 |
| 7121171 |
Ratchet control structure of bidirectional ratchet spanner |
Oct. 17, 2006 |
| 7121170 |
Ratchet wrench operated conveniently |
Oct. 17, 2006 |
| 7121168 |
Bit-driving apparatus |
Oct. 17, 2006 |
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