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Class Information
Number: 81/438
Name: Tools > Wrench, screwdriver, or driver therefor > Having work engaging and force exerting portion inserted into cavity (e.g., allen wrench, screwdriver) > Having structure adapting portion or tool for separation
Description: Wrench or screwdriver in which either the portion of the tool not intended to engage the cavity or the cavity-engaging and strain-exerting portion of the tool is constructed to facilitate the separation of the cavity-contacting and strain-exerting portion from the remainder of the tool.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6494121 |
Assembling screwdriver with hexagonal socket design |
Dec. 17, 2002 |
| 6490761 |
Telescoping tool handle |
Dec. 10, 2002 |
| 6474656 |
Power drivable chuck |
Nov. 5, 2002 |
| 6425307 |
Screwdriver having a plurality of interchangeable tips of various specifications |
Jul. 30, 2002 |
| 6363819 |
Knockdown hand tool structure |
Apr. 2, 2002 |
| 6354177 |
6-in-1 rotary tool |
Mar. 12, 2002 |
| 6352011 |
Two-ended screwdriver bits |
Mar. 5, 2002 |
| 6345553 |
Ink application device for tattooing or for making permanent make-up |
Feb. 12, 2002 |
| 6332382 |
Tool with polygonal head for interchangeable bits |
Dec. 25, 2001 |
| 6327942 |
Multiple bit driver |
Dec. 11, 2001 |
| 6298755 |
Dimpler tool |
Oct. 9, 2001 |
| 6276053 |
Device for fixing and removing stud seats for boots |
Aug. 21, 2001 |
| 6260445 |
Ratcheting composite screwdriver |
Jul. 17, 2001 |
| 6223633 |
Screwdriver with control portion for selectively retaining tips therein |
May. 1, 2001 |
| 6220129 |
Dual multi-bit screwdriver |
Apr. 24, 2001 |
| 6216348 |
Tool handle |
Apr. 17, 2001 |
| 6199872 |
Quick-release mechanism for screwdriver bits and the like |
Mar. 13, 2001 |
| 6193242 |
Snap-in chuck assembly and snap-in tool |
Feb. 27, 2001 |
| 6193241 |
Tool drive system |
Feb. 27, 2001 |
| 6189419 |
Stem structure for ratchet wrench |
Feb. 20, 2001 |
| 6176160 |
Bit for driving a threaded flange cover for a gas valve |
Jan. 23, 2001 |
| 6170363 |
Nut holding devices |
Jan. 9, 2001 |
| 6164168 |
Tool magnet holder |
Dec. 26, 2000 |
| 6155144 |
Retractable driving tool |
Dec. 5, 2000 |
| 6151994 |
Ratchet screwdriver |
Nov. 28, 2000 |
| 6148696 |
Ratchet screw driver |
Nov. 21, 2000 |
| 6128982 |
Spring-loaded screwdriver with cover and changeable heads |
Oct. 10, 2000 |
| RE36797 |
Magnetic bit holder and hand tool incorporating same |
Aug. 1, 2000 |
| 6089133 |
Screwdriver |
Jul. 18, 2000 |
| 6085619 |
Tool bit adapter for universal socket tool |
Jul. 11, 2000 |
| 6076665 |
Compact tool holder for different tools |
Jun. 20, 2000 |
| 6062111 |
Multiple purpose hand tool for sports equipment |
May. 16, 2000 |
| 6047620 |
Tool for inserting and removing one-way fasteners, an off-center tool for inserting and removing one-way fasteners |
Apr. 11, 2000 |
| 6016728 |
Compact multi-purpose hand tool |
Jan. 25, 2000 |
| 6009779 |
Screwdriver set and kit having variable length interchangeable screwdriver shafts and extensions |
Jan. 4, 2000 |
| 5967002 |
Rachet wrench |
Oct. 19, 1999 |
| 5957014 |
Tool combination having two sections |
Sep. 28, 1999 |
| 5953969 |
Screwdriver, screwdriver bit or the like |
Sep. 21, 1999 |
| 5938212 |
Holder for non-locking bit in a locking bit chuck |
Aug. 17, 1999 |
| 5927160 |
Socket for socket wrench |
Jul. 27, 1999 |
| 5918512 |
Replaceable bit screwdriver assembly |
Jul. 6, 1999 |
| 5916341 |
Combination screwdriver tool |
Jun. 29, 1999 |
| 5910174 |
Pliers-based, combination tool |
Jun. 8, 1999 |
| 5904080 |
8 in 1 tool bit driver hand tool |
May. 18, 1999 |
| 5899127 |
Variable-length screwdriver |
May. 4, 1999 |
| 5884541 |
Socket for lever removal of screwdriver bit |
Mar. 23, 1999 |
| 5881614 |
Tool with reversible bit and method of assembly |
Mar. 16, 1999 |
| 5868047 |
Insert bit for use with a powered screwdriver |
Feb. 9, 1999 |
| 5836223 |
Length-adjustable screwdriver |
Nov. 17, 1998 |
| 5823419 |
Bonding tool |
Oct. 20, 1998 |
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