Class / Patent application number | Description | Number of patent applications / Date published |
269254000 | Bias type (e.g., weight, spring, resilience) | 19 |
20080296822 | Laser beam guard clamps - A quick insert and release laser beam guard panel clamping apparatus having a base plate mountable on an optical table, a first jaw affixed to the base plate, and a spring-loaded second jaw slidably carried by the base plate to exert a clamping force. The first and second jaws each having a face acutely angled relative to the other face to form a V-shaped, open channel mouth, which enables wedge-action jaw separation by and subsequent clamping of a laser beam guard panel inserted through the open channel mouth. Preferably, the clamping apparatus also includes a support structure having an open slot aperture which is positioned over and parallel with the open channel mouth. | 12-04-2008 |
20090146358 | Clamp - A clamp includes a guiding rod, a stationary jaw secured to the guiding rod, a movable jaw movably provided on the guiding rod and a fastening unit. The movable jaw is formed with a ring and two helical grooves in an internal side of the ring. The fastening unit includes a knob, an axle and a latch. The axle is connected to the knob and inserted through the ring for abutment against the guiding rod. The latch is connected to the axle and formed with two ends for sliding in the helical grooves. | 06-11-2009 |
20090289405 | CLAMPING DEVICE - A rotary holding unit attached to a body including a plurality of clamping legs which move relative to each other. The unit allows simultaneous operation of either mounting the assembly to a vertical or horizontal edge or securing an object within the fully rotating holding housing. By moving the legs against the biasing force, the unit is prepared for mounting to an edge such as a ladder leg or table. Upon release the unit is automatically secured to the edge by means of the biasing force. Inadvertent movement of the unit once positioned is further limited by grip improving materials. The holding housing—in this case a female dovetail socket capable of receiving and securing a mating male dovetail fitted to or part of an accessory or component—may be rotated to the desired position. | 11-26-2009 |
20100295228 | Clamping device with a linking member - A clamping device with a linking member, the linking member is pivotally connected with a first and a second slide member, the slide members can be extended outwards and contracted inwards; wherein when deviation angles of two guide slits of the linking member are sharp angles, the first and the second slide members are at their initiate positions, and when deviation angles of two guide slits are obtuse angles, the first and the second slide members are at their extending positions. | 11-25-2010 |
20100314818 | CLAMP - Over tightening of clamps ( | 12-16-2010 |
20120146276 | FILM STRETCHER - A film stretcher utilizes a spring bias to clamp the film. The film stretcher may include a stretch head having one or more clamps positioned about the film in locations necessary to clamp the film for stretching in one or more axes. The clamp may utilize a spring to provide the clamping force. The stretch head may include structures that operate to counter the spring bias to move the clamp to one state and then to allow the spring bias to move the clamp to another state. Thus, the stretch head may effectively clamp and unclamp the film. | 06-14-2012 |
20120235337 | CLAMPING MECHANISM WITH DETACHABLE POSITION MEMBER - A clamp mechanism includes a support plate, a frame, a positioning member, a resisting member, an operating assembly. The support plate defines an assembly hole. The frame is fixed to the support plate, and defines a positioning groove and a sliding groove. The positioning member extends through the assembly hole of the support plate, and received in the positioning groove. The operating assembly is connected to the resisting member. The resisting member is movably received in the sliding groove and opposite to the positioning member. The sliding groove has a first end adjacent to the positioning member and a second end away from the positioning member, such that the operating assembly drives the resisting member to move in the sliding groove from the second end to the first end, thereby clamping the positioning member in the positioning groove of the frame. | 09-20-2012 |
20120242025 | CLAMPING MECHANISM WITH DETACHABLE POSITIONING MEMBER - A clamping mechanism includes a positioning member, a support plate, a frame, a fastening assembly, and an operating assembly. The support plate defines a through hole. The fastening assembly is fixed to the frame. The fastening assembly includes a fastening member and an elastic member. The positioning member extends through the through hole of the support plate, and is fastened by the fastening member under an elastic force of the elastic member. The operating assembly resists the fastening member, thereby driving the fastening member away from the positioning member. | 09-27-2012 |
20120306139 | PARALLEL SINGLE SUBSTRATE PROCESSING SYSTEM HOLDER - A substrate holder adapted to hold and retain a substrate during vertical fluid processing of a surface of the substrate. The wafer holder has a frame. A first leg is coupled to the frame by a first compliant flexure, the first leg having a first contact member configured to engage a first edge of the substrate. A second leg is coupled to the frame by a second compliant flexure, the second leg having a second contact member configured to engage a second edge of the substrate. Upon deflection of the first and second compliant flexures, the first and second legs are moveable in substantially opposite directions disengaging the first and second contact fingers from the first and second edges of the substrate respectively. | 12-06-2012 |
20140077433 | Tool for Clamping Using Sides of Workpieces - The invention relates to a tool for clamping using sides of workpieces, in particular to a tool for clamping and processing workpieces like boxes using sides of the box workpieces, belonging to the technical field of tools for clamping used in the processing center to process workpieces. The tool for clamping using sides of workpieces comprises a soleplate, wherein one side of the soleplate is fixed with multiple elastic seats arranged at interval, the elastic seats are provided with vertical V-shaped grooves, the bottom of each vertical V-shaped groove is provided with a rectangle groove, the bottom of the rectangle groove is provided with a threaded hole, a V-shaped pressing block is fitted in the vertical V-shaped groove, a through hole which is coaxial with the threaded hole on the bottom of the rectangle groove is formed on the V-shaped pressing block, and a bolt passes through the through hole on the V-shaped pressing block to fit with the threaded hole on the bottom of the rectangle groove; and, the other side of the soleplate opposite to the elastic seats is provided with multiple V-shaped locating blocks arranged at interval, the gap between each two adjacent elastic seats corresponds to one V-shaped locating block, and each V-shaped locating block is provided with a horizontal V-shaped groove, the opening of which faces the gap between two adjacent elastic seats. | 03-20-2014 |
20140327202 | DEVICE AND METHOD FOR ALIGNING AND HOLDING A PLURALITY OF SINGULATED SEMICONDUCTOR COMPONENTS IN RECEIVING POCKETS OF A TERMINAL CARRIER - In a device and a method for aligning and holding a plurality of singulated semi-conductor components in receiving pockets of a terminal carrier that are separated from each other, the terminal carrier has spring elements, which are part of a spring plate. The spring plate has a plurality of recesses disposed next to each other for forming a corresponding plurality of receiving pockets for the semi-conductor components, wherein the spring elements are formed from the spring plate in one piece. | 11-06-2014 |
20150352675 | METHOD AND APPARATUS FOR SECURING A WORKPIECE TO A FIXTURE PLATE USING AN ADJUSTABLE, LOW-PROFILE, LIGHT-DUTY WORKPIECE CLAMP - A workpiece clamp comprising:
| 12-10-2015 |
20160151891 | FLATNESS ADJUSTING DEVICE AND TEST FIXTURE APPLYING THE FLATNESS ADJUSTING DEVICE | 06-02-2016 |
20090146357 | Welding clamp - This is a u-shaped clamp to be used to connect and align pieces to be welded. A cutout is located on at least one clamping jaw to provide easy viewing of the site to be welded. To ensure secure clamping action, the jaws of the clamp are spring loaded and connected to a base piece. Further securing to the pieces to be welded is provided by magnets in the clamp. | 06-11-2009 |
20100038838 | SEWING CLIP - A sewing clip is provided. In one embodiment, the sewing clip securely clamps fabrics of various thicknesses, sizes, elasticity, and textures in assistance of a sewing operation. The sewing clip includes two rigid members and an elastic assembly. The two rigid members each have a first surface with a clamping and handling end and a hinge extension coupled to the first surface. When employed in a sewing operation, the clamping end of each rigid member has a tapering-width adapted to slide in a direction away from a stitching point. An elastic assembly couples the hinge extensions of each rigid member and biases the two rigid members so as to secure overlapping fabric between the clamping ends while avoiding unnecessary alteration or damage to the fabric. A recessed divot is also provided in the clamping end that allows for retention of surplus fabric. | 02-18-2010 |
20100276860 | CLAMPING OR SPREADING TOOL - A clamping and/or spreading tool comprises a drive for displacement of a push or pull rod to which a movable jaw is fixed with respect to a support carrying a stationary jaw in longitudinal direction of the push and pull rod, the drive comprising a torsion spring and being adapted to enter torque transmitting engagement with the push or pull rod for displacement of the same. | 11-04-2010 |
20110266735 | CLAMPING DEVICE - A clamping device includes two springs, a first barrel, and a second barrel. Each of the two springs includes a first end and a second end. The first barrel is attached to the first ends of the springs, and includes a number of first clamping portions, a number of first slots, and a first receiving space. The first clamping portions and the first slots are alternately arranged around the first receiving space. The second barrel is attached to the second ends of the springs and received in the first receiving space. The second barrel includes a number of second clamping portions, a number of second slots, and a second receiving space. The second clamping portions and the second slots are alternately arranged around the second receiving space. The second barrel is rotatable relative to the first barrel in the first receiving space between a first position and a second position. | 11-03-2011 |
20110272874 | DEVICE FOR HOLDING WAFER SHAPED ARTICLES - A spin chuck for holding semiconductor wafers includes one or more damping mechanisms to limit the force with which chuck pins impact the wafer edge following wafer shift. The damping mechanism may be a linear or rotary dashpot. The dashpot or dashpots are mounted on a surface of the chuck body and include a control arm that contacts a common gear ring that in turn drives the chuck pins during radially inward and outward movement. | 11-10-2011 |
20130334755 | Hold Down and Masking Apparatus for Part Processing - The present disclosure includes a part hold-down assembly for retaining a part. The part hold-down assembly includes an upper collar, a lower collar and a resiliant biasing member, in one embodiment in the form of a coil spring, retained between the upper and lower collar. The upper collar has a first end, the first end having an annular ledge. The lower collar has a second end, the second end having an annular ledge. The resiliant biasing member includes a first end and a second end, the first coil end configured to engage with the annular ledge of the upper collar and the second coil end configure to engage with the second annular ledge of the lower collar. | 12-19-2013 |
269254000 | Coil spring | 6 |
20080296822 | Laser beam guard clamps - A quick insert and release laser beam guard panel clamping apparatus having a base plate mountable on an optical table, a first jaw affixed to the base plate, and a spring-loaded second jaw slidably carried by the base plate to exert a clamping force. The first and second jaws each having a face acutely angled relative to the other face to form a V-shaped, open channel mouth, which enables wedge-action jaw separation by and subsequent clamping of a laser beam guard panel inserted through the open channel mouth. Preferably, the clamping apparatus also includes a support structure having an open slot aperture which is positioned over and parallel with the open channel mouth. | 12-04-2008 |
20090146358 | Clamp - A clamp includes a guiding rod, a stationary jaw secured to the guiding rod, a movable jaw movably provided on the guiding rod and a fastening unit. The movable jaw is formed with a ring and two helical grooves in an internal side of the ring. The fastening unit includes a knob, an axle and a latch. The axle is connected to the knob and inserted through the ring for abutment against the guiding rod. The latch is connected to the axle and formed with two ends for sliding in the helical grooves. | 06-11-2009 |
20090289405 | CLAMPING DEVICE - A rotary holding unit attached to a body including a plurality of clamping legs which move relative to each other. The unit allows simultaneous operation of either mounting the assembly to a vertical or horizontal edge or securing an object within the fully rotating holding housing. By moving the legs against the biasing force, the unit is prepared for mounting to an edge such as a ladder leg or table. Upon release the unit is automatically secured to the edge by means of the biasing force. Inadvertent movement of the unit once positioned is further limited by grip improving materials. The holding housing—in this case a female dovetail socket capable of receiving and securing a mating male dovetail fitted to or part of an accessory or component—may be rotated to the desired position. | 11-26-2009 |
20100295228 | Clamping device with a linking member - A clamping device with a linking member, the linking member is pivotally connected with a first and a second slide member, the slide members can be extended outwards and contracted inwards; wherein when deviation angles of two guide slits of the linking member are sharp angles, the first and the second slide members are at their initiate positions, and when deviation angles of two guide slits are obtuse angles, the first and the second slide members are at their extending positions. | 11-25-2010 |
20100314818 | CLAMP - Over tightening of clamps ( | 12-16-2010 |
20120146276 | FILM STRETCHER - A film stretcher utilizes a spring bias to clamp the film. The film stretcher may include a stretch head having one or more clamps positioned about the film in locations necessary to clamp the film for stretching in one or more axes. The clamp may utilize a spring to provide the clamping force. The stretch head may include structures that operate to counter the spring bias to move the clamp to one state and then to allow the spring bias to move the clamp to another state. Thus, the stretch head may effectively clamp and unclamp the film. | 06-14-2012 |
20120235337 | CLAMPING MECHANISM WITH DETACHABLE POSITION MEMBER - A clamp mechanism includes a support plate, a frame, a positioning member, a resisting member, an operating assembly. The support plate defines an assembly hole. The frame is fixed to the support plate, and defines a positioning groove and a sliding groove. The positioning member extends through the assembly hole of the support plate, and received in the positioning groove. The operating assembly is connected to the resisting member. The resisting member is movably received in the sliding groove and opposite to the positioning member. The sliding groove has a first end adjacent to the positioning member and a second end away from the positioning member, such that the operating assembly drives the resisting member to move in the sliding groove from the second end to the first end, thereby clamping the positioning member in the positioning groove of the frame. | 09-20-2012 |
20120242025 | CLAMPING MECHANISM WITH DETACHABLE POSITIONING MEMBER - A clamping mechanism includes a positioning member, a support plate, a frame, a fastening assembly, and an operating assembly. The support plate defines a through hole. The fastening assembly is fixed to the frame. The fastening assembly includes a fastening member and an elastic member. The positioning member extends through the through hole of the support plate, and is fastened by the fastening member under an elastic force of the elastic member. The operating assembly resists the fastening member, thereby driving the fastening member away from the positioning member. | 09-27-2012 |
20120306139 | PARALLEL SINGLE SUBSTRATE PROCESSING SYSTEM HOLDER - A substrate holder adapted to hold and retain a substrate during vertical fluid processing of a surface of the substrate. The wafer holder has a frame. A first leg is coupled to the frame by a first compliant flexure, the first leg having a first contact member configured to engage a first edge of the substrate. A second leg is coupled to the frame by a second compliant flexure, the second leg having a second contact member configured to engage a second edge of the substrate. Upon deflection of the first and second compliant flexures, the first and second legs are moveable in substantially opposite directions disengaging the first and second contact fingers from the first and second edges of the substrate respectively. | 12-06-2012 |
20140077433 | Tool for Clamping Using Sides of Workpieces - The invention relates to a tool for clamping using sides of workpieces, in particular to a tool for clamping and processing workpieces like boxes using sides of the box workpieces, belonging to the technical field of tools for clamping used in the processing center to process workpieces. The tool for clamping using sides of workpieces comprises a soleplate, wherein one side of the soleplate is fixed with multiple elastic seats arranged at interval, the elastic seats are provided with vertical V-shaped grooves, the bottom of each vertical V-shaped groove is provided with a rectangle groove, the bottom of the rectangle groove is provided with a threaded hole, a V-shaped pressing block is fitted in the vertical V-shaped groove, a through hole which is coaxial with the threaded hole on the bottom of the rectangle groove is formed on the V-shaped pressing block, and a bolt passes through the through hole on the V-shaped pressing block to fit with the threaded hole on the bottom of the rectangle groove; and, the other side of the soleplate opposite to the elastic seats is provided with multiple V-shaped locating blocks arranged at interval, the gap between each two adjacent elastic seats corresponds to one V-shaped locating block, and each V-shaped locating block is provided with a horizontal V-shaped groove, the opening of which faces the gap between two adjacent elastic seats. | 03-20-2014 |
20140327202 | DEVICE AND METHOD FOR ALIGNING AND HOLDING A PLURALITY OF SINGULATED SEMICONDUCTOR COMPONENTS IN RECEIVING POCKETS OF A TERMINAL CARRIER - In a device and a method for aligning and holding a plurality of singulated semi-conductor components in receiving pockets of a terminal carrier that are separated from each other, the terminal carrier has spring elements, which are part of a spring plate. The spring plate has a plurality of recesses disposed next to each other for forming a corresponding plurality of receiving pockets for the semi-conductor components, wherein the spring elements are formed from the spring plate in one piece. | 11-06-2014 |
20150352675 | METHOD AND APPARATUS FOR SECURING A WORKPIECE TO A FIXTURE PLATE USING AN ADJUSTABLE, LOW-PROFILE, LIGHT-DUTY WORKPIECE CLAMP - A workpiece clamp comprising:
| 12-10-2015 |
20160151891 | FLATNESS ADJUSTING DEVICE AND TEST FIXTURE APPLYING THE FLATNESS ADJUSTING DEVICE | 06-02-2016 |
20090146357 | Welding clamp - This is a u-shaped clamp to be used to connect and align pieces to be welded. A cutout is located on at least one clamping jaw to provide easy viewing of the site to be welded. To ensure secure clamping action, the jaws of the clamp are spring loaded and connected to a base piece. Further securing to the pieces to be welded is provided by magnets in the clamp. | 06-11-2009 |
20100038838 | SEWING CLIP - A sewing clip is provided. In one embodiment, the sewing clip securely clamps fabrics of various thicknesses, sizes, elasticity, and textures in assistance of a sewing operation. The sewing clip includes two rigid members and an elastic assembly. The two rigid members each have a first surface with a clamping and handling end and a hinge extension coupled to the first surface. When employed in a sewing operation, the clamping end of each rigid member has a tapering-width adapted to slide in a direction away from a stitching point. An elastic assembly couples the hinge extensions of each rigid member and biases the two rigid members so as to secure overlapping fabric between the clamping ends while avoiding unnecessary alteration or damage to the fabric. A recessed divot is also provided in the clamping end that allows for retention of surplus fabric. | 02-18-2010 |
20100276860 | CLAMPING OR SPREADING TOOL - A clamping and/or spreading tool comprises a drive for displacement of a push or pull rod to which a movable jaw is fixed with respect to a support carrying a stationary jaw in longitudinal direction of the push and pull rod, the drive comprising a torsion spring and being adapted to enter torque transmitting engagement with the push or pull rod for displacement of the same. | 11-04-2010 |
20110266735 | CLAMPING DEVICE - A clamping device includes two springs, a first barrel, and a second barrel. Each of the two springs includes a first end and a second end. The first barrel is attached to the first ends of the springs, and includes a number of first clamping portions, a number of first slots, and a first receiving space. The first clamping portions and the first slots are alternately arranged around the first receiving space. The second barrel is attached to the second ends of the springs and received in the first receiving space. The second barrel includes a number of second clamping portions, a number of second slots, and a second receiving space. The second clamping portions and the second slots are alternately arranged around the second receiving space. The second barrel is rotatable relative to the first barrel in the first receiving space between a first position and a second position. | 11-03-2011 |
20110272874 | DEVICE FOR HOLDING WAFER SHAPED ARTICLES - A spin chuck for holding semiconductor wafers includes one or more damping mechanisms to limit the force with which chuck pins impact the wafer edge following wafer shift. The damping mechanism may be a linear or rotary dashpot. The dashpot or dashpots are mounted on a surface of the chuck body and include a control arm that contacts a common gear ring that in turn drives the chuck pins during radially inward and outward movement. | 11-10-2011 |
20130334755 | Hold Down and Masking Apparatus for Part Processing - The present disclosure includes a part hold-down assembly for retaining a part. The part hold-down assembly includes an upper collar, a lower collar and a resiliant biasing member, in one embodiment in the form of a coil spring, retained between the upper and lower collar. The upper collar has a first end, the first end having an annular ledge. The lower collar has a second end, the second end having an annular ledge. The resiliant biasing member includes a first end and a second end, the first coil end configured to engage with the annular ledge of the upper collar and the second coil end configure to engage with the second annular ledge of the lower collar. | 12-19-2013 |