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Class Information
Number: 81/177.9
Name: Tools > Wrench, screwdriver, or driver therefor > Handle or shank > Angularly adjustable handle > With yieldable one-way detent
Description: Wrench or screwdriver wherein a dog on one member is resiliently urged against one of a plurality of surfaces on the other member to permit adjustment in one direction of rotation of the handle relative to the head by the shifting of the dog to a different surface without manual actuation of the dog.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7581468 Control device for angle adjustable hand tool Sep. 1, 2009
7509893 Locking device for locking pivotable head of hand tool Mar. 31, 2009
7509894 Power tool Mar. 31, 2009
7472631 Hand tool with replaceable function head Jan. 6, 2009
7401538 F figure wrench Jul. 22, 2008
7398711 Multi-function extension rod Jul. 15, 2008
7373861 Pivoting assembly of a hand tool May. 20, 2008
7347127 Screwdriver handle Mar. 25, 2008
7343837 Multi-plane flexible handle for ratchets and wrenches Mar. 18, 2008
7328635 Screwdriver handle Feb. 12, 2008
7318366 Locking flex-head ratchet wrench Jan. 15, 2008
7302876 Bi-sectional wrench Dec. 4, 2007
7287450 Tool device having rotatable driving shank Oct. 30, 2007
7278626 Adjustable prying bar Oct. 9, 2007
7246545 Bi-sectional wrench Jul. 24, 2007
7201085 Pivoting device for hand tools Apr. 10, 2007
7197965 Hinged socket wrench speed handle Apr. 3, 2007
7197966 Device for pivoting and positioning head of hand tool Apr. 3, 2007
7174815 Hand tool with a swinging structure Feb. 13, 2007
7171875 Adjustable head for a wrench Feb. 6, 2007
7168346 Hand tool having an adjustable head with a joint lock mechanism Jan. 30, 2007
7165480 Hand tool having positioning and locking joint Jan. 23, 2007
7146886 Wrench capable of quick replacement of swivel driving members Dec. 12, 2006
7131356 Hand tool having an adjustable head with joint lock mechanism Nov. 7, 2006
7104165 Swing head structure of wrench with two kinds of torque output Sep. 12, 2006
7017455 Handle of a hand tool Mar. 28, 2006
7000506 Cable clamp lock nut wrench Feb. 21, 2006
7000507 Hand tool having a joint lock mechanism Feb. 21, 2006
6993998 Wrench having angle adjustable handle Feb. 7, 2006
6976411 Extension tool having anchoring device Dec. 20, 2005
6895839 Control mechanism for controlling head of a box end wrench May. 24, 2005
6886429 Ratchet wrench having a pivotal head May. 3, 2005
6883404 Wrench having rotation adjustment effect Apr. 26, 2005
6877404 Multi-joint wrench Apr. 12, 2005
6857341 F-type wrench structure Feb. 22, 2005
6848345 Adjustable head for a wrench Feb. 1, 2005
6796205 Variable-stroke pliers Sep. 28, 2004
6745480 Saw having an angle adjustable blade Jun. 8, 2004
6729209 Rotatable tool driving head having spring lock device May. 4, 2004
6557442 Adjustable wrench May. 6, 2003
6520053 Rotatable tool handle having a solid locking structure Feb. 18, 2003
6405621 Ratchet wrench with multi-position ratchet head Jun. 18, 2002
6398653 Baton structure Jun. 4, 2002
6382058 Multi-jointed wrench handle May. 7, 2002
6370992 Pliers for use in narrow space Apr. 16, 2002
6370991 Pliers for use in narrow space Apr. 16, 2002
6363561 Multi-function tool Apr. 2, 2002
6349620 Hinged socket wrench speed handle Feb. 26, 2002
6349619 Ratchet driving tool Feb. 26, 2002
6336383 Wrench structure Jan. 8, 2002

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