US3280665A - Tweezers - Google Patents
Tweezers Download PDFInfo
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- US3280665A US3280665A US541260A US54126066A US3280665A US 3280665 A US3280665 A US 3280665A US 541260 A US541260 A US 541260A US 54126066 A US54126066 A US 54126066A US 3280665 A US3280665 A US 3280665A
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- gripper
- jaw
- jaw member
- bight
- spring
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/30—Surgical pincettes without pivotal connections
Definitions
- This invention relates to an improved form of tweezers of the type wherein a single manual application of pressure to the tweezer produces first a closing of the jaws and then a retraction of the jaws.
- Tweezers of this general type have been previously proposed. They employ a pair of jaws which are supported for movement toward and away from one another and also for motion in a direction perpendicular to their gripping joinder. They are supported within a gripping member and some form of cam mechanism connects the gripping member to each of the jaws.
- a manual pressure is applied to the gripping member by the operator, this pressure normally causes the jaws to first close and then to quickly withdraw in a direction perpendicular to their closing action. This withdrawal motion acts to remove a hair, a splinter or other small object gripped in the jaws in a quick and relatively painless manner.
- the tweezer embodying the invention disclosed in the aforementioned co-pending application and in the present invention relates to an improved form of constrution for tweezers of this type. This construction results in a tweezer which is low in cost, reliable in operation, and very easy to use.
- the jaws of the tweezer are formed of a single elongated section of spring steel formed into a generally U-shaped.
- the two extreme ends of the jaw member are provided with appropriate opposed sections normally spaced apart and adapted to be pressed toward one another to firmly grip a small article such as a hair or a splinter.
- Each of the legs of the jaw member has an outwardly facing rectangular aperture provided near their midsections.
- the bight end of the jaw member embraces a generally U-shaped leaf spring member having legs which terminate in a sharp bend which extends outwardly from the legs.
- the sharp bends of the spring member are adapted to fit through and project outwardly from the apertures in the legs of the jaw member.
- the bight end of the jaw member is encompassed within the legs of a U-shaped gripper member having its rounded ends abutting the sharp bends of the spring projecting from the legs of the jaw member.
- a leaf spring bent into an S-shaped configuration is supported between the bight of the jaw member and the bight of the gripper member.
- the S-shaped spring urges the jaw member outwardly in an extended position with respect to the gripper member.
- the preferred embodiment includes a cover section preferably formed of polypropylene plastic and which is disposed internally of the bight of the jaw member and wraps around the S-shaped spring to engage a pair 3,289,565 Patented Oct. 25, 1966 of flanges formed in the bight of the gripper member so as to provide a unitary gripping surface.
- the gripper member also has sets of wings which extend toward one and another from its two legs and cooperate with the cover section to protect and enclose the S-shaped spring.
- the jaws are formed of a single U-shaped section having an aperture formed in each of the two legs; a U-shaped spring embraced in the jaw member and having legs which terminate in sharp resilient bends which extend through the apertures of the jaw legs; the gripper mechanism is formed of a U-shaped section having its ends adapted to engage the projecting bends of the spring member; and a second spring is provided between the bight of the jaw section and the bight of the gripper section adapted to urge the jaw section outwardly with respect to the gripper section.
- a further object of the present invention is to provide such a tweezer in which a cover member embraces the bight of the jaw member and engages with flanges extending downwardly from the bight of the gripper member thereby providing a cover having a unitary appearance.
- FIGURE 1 is a perspective view of a preferred embodiment of the tweezers
- FIGURE 2 is an elevational sectional view of the preferred embodiment of the tweezers
- FIGURE 3 is a side view of the preferred tweezers with the cover section removed;
- FIGURE 4 is a sectional view of the tweezers taken along line 4-4 of FIGURE 2;
- FIGURE 5 is a cross-section through one of the legs of the jaw member showing the transverse curvature thereof, taken along line 55 of FIGURE 2;
- FIGURE 6 illustrates how the application of a manual pressure to the gripper member causes the jaws to close
- FIGURE 7 illustrates how the continued application of pressure to the preferred gripper member has caused the gripper legs to urge the bends of the U-shaped spring member to recede inwardly thus permitting the jaw member to start its retraction movement;
- FIGURE 8 illustrates the legs of the preferred gripper member having passed over the bends of the spring member so that the jaw member has partially retracted against the urging of the S-shaped spring in a direction normal to the closing action of the jaws;
- FIGURE 9 is an expanded view of the preferred cover member.
- FIGURE 10 is a side view of the preferred cover member illustrating in phantom its normal folded configuratron.
- the jaw member generally indicated at 10 of the preferred tweezers may be stamped or forged preferably out of a spring steel.
- the jaw 10 is formed into a generally U-shaped section terminating in two end sections 12 which are adapted to grip a small article such as a section of hair, a splinter or the like.
- the internal opposed surfaces of the end sections may be flattened as at 14 to provide a superior gripping surface when the ends are urged together.
- the legs 16 of the jaw member are preferably bowed in the transverse direction, as best can be seen in FIGURE 5, in order to strengthen their desirable long and thin eX- tension. Adjacent to the middle of the extension the bowed configuration is terminated and the jaw member takes a flat form sharply bent at two spaced points 18 and is shaped with a flat portion 20 intermediate the 3 sharp bends. These bends form the bight of the jaw section.
- the legs 16 of the jaw member are provided near their mid section and adjacent to the point Where the cross-section of the configuration of the legs changes from the bowed configuration of FIGURES to a flat section, with a pair of rectangular transverse apertures 22.
- the jaw member embraces a generally U-shaped leaf spring member 24 formed of clock spring steel which is retained to the jaw member by a flange 26provided on an inner side of the flat portion of the bight.
- the legs 28 of the spring 24 terminate in a narrowed section having an outwardly bent portion 30.
- the bent ends 30 are adapted to, fit through the apertures 22 in the jaw member and extend outwardly from the legs 16.
- the extending bent ends 30 of the spring 24 are normally engaged by the extreme ends 32 of a gripper member generally indicated at 34.
- the gripper member 34 is preferably stamped from sheet spring stainless steelor suitably formed from plastic.
- the gripping ends 32 of the gripper member each include two transversely extending ears 36 which are bent around the sides of the leg sections of the jaw member to prevent disengagement of the gripper ends 32 with the jaw member;
- the gripper members are bent sharply outwardly as at 38 and then inwardly in the direction of the opposite leg in a widely flaring section 40 which preferably has serrations thereon as can be seen in FIGURE 3 and is adapted to be engaged by fingers for the purpose of actuating the tweezer mechamsm.
- the bight of the gripper member 34 is formed by two sharp bends 43 joined by a flat portion 44.
- the bight carries a pair of normally inwardly extending flange members 46 which have elongated apertures 48 formed along the edge adjacent the flat portion 44 as can best be seen in FIGURE 2.
- the gripping arms carry a pair of inwardly bent wing sections 50 extending from each of the sides. The wing sections thus extend parallel to one another and cooperate with a cover section in a manner which will be subsequently noted.
- An S-shaped leaf spring generally indicated at 52 is disposed between the bight of the jaw member 10 and the bight of the gripper member 34.
- the spring has a first free end 54 which fits within the flanges 46 and abuts the inner surface of the flat portion 44 of the gripper member.
- the other free end 56 abuts the outer side of the bight section of the jaw member 10. The spring ends 54 and 56 thus urge the jaw member into the extended position, indicated in FIGURE 2, with respect to the gripper ends.
- the cover section generally indicated at 58 is preferably formed of a polypropylene and includes a pair of flattened cover members 60 joined to a curved joinder 62. On opposite edges of the curved joinder 62 and on the convex side thereof are provided a pair of indentation lines 64 which extend transversely across the section to provide a hinge line for the tow side cover sections wherein they will bend toward one another as can be seen in phantom in FIG- URE 10. Each of the cover sections 60 carries adjacent its outer free end a normally extending flange member 65 having an enlarged outer edge 66.
- the cover member 58 forms an enclosure for the gripper mechanism by embracing the bight of the spring 24 and the jaw member and in which the cover sections 60 are bent normally to the curved portion 62 such that the flanges 65 can be inserted in the apertures 48 so that the enlarged end 66 of the flanges are retained therein, thereby anchoring the cover member to the gripper member.
- the preferred tweezer is held with two fingers pressed against the flaring sections 40. As can be seen 4 1 in FIGURE 6, the sections 40 are pressed together until the jaw ends 12 abut one another in a clamping position.
- a continued pressure causes the bent portions of the spring 24 to yield inwardly unti-l as can be seen in FIGURE'8 the ends of the gripper 32 have slipped over the bent portions of the spring permitting the jaw member 34 to move inwardly with respect to the gripper section and normally to the closing action of the jaws.
- the hesitation between the closing action of the ends of the jaw section and the retracting motion of the jaw member permits the jaw ends to impose a firm grasp on the article before the gripper member retracts the jaw member and the article being removed.
- the improved cover member 58 neatly and unobtrusively encloses the tweezer mechanism and the springs thus providing a simple and highly aesthetic assembly.
- a retracting tweezer comprising:
- a retracting tweezer as defined in claim 1, wherein said resilient retaining means comprises a spring member disposed intermediate the legs vof said jaw member and having sections associated with each of. said jaw legs and said sections normally extending from the jaw legs to yieldably abut the ends of said gripper member.
- a retracting tweezer as defined in claim 1, wherein said resilient retaining means comprises an elongated U-shaped spring member disposed intermediate the legs of said jaw member and having end sections associated with said jaw legs and normally extending outwardly thereto so that said sections yieldably abut the ends of said gripper member.
- a retracting tweezer as defined in claiml wherein said elongated spring has, an S-shaped center sectionwith a first free end abutting the bight of said gripper member and a second free end abutting the bight of said jaw member and urging said jaw member into an extended position with respect to said gripper member.
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- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Description
H. BLOCK Oct. 25, 1966 TWEEZERS Filed April 8, 1966 2 Sheets-Sheet l FIGS K M 0% w I 6 m s M mm m m F IR MM .W A m H i 8 3 m United States Patent 3,280,665 TWEEZERS Harold Block, Oak Park, Mich. Filed Apr. 8, 1966, Ser. No. 541,260 8 Claims. ((Il. 81-43) This application is a continuation-impart of co-pending application Serial No. 399,769, filed September 28, 1964.
This invention relates to an improved form of tweezers of the type wherein a single manual application of pressure to the tweezer produces first a closing of the jaws and then a retraction of the jaws.
Tweezers of this general type have been previously proposed. They employ a pair of jaws which are supported for movement toward and away from one another and also for motion in a direction perpendicular to their gripping joinder. They are supported within a gripping member and some form of cam mechanism connects the gripping member to each of the jaws. When a manual pressure is applied to the gripping member by the operator, this pressure normally causes the jaws to first close and then to quickly withdraw in a direction perpendicular to their closing action. This withdrawal motion acts to remove a hair, a splinter or other small object gripped in the jaws in a quick and relatively painless manner.
The tweezer embodying the invention disclosed in the aforementioned co-pending application and in the present invention relates to an improved form of constrution for tweezers of this type. This construction results in a tweezer which is low in cost, reliable in operation, and very easy to use.
In a preferred embodiment of the present invention, which will be subsequently disclosed in detail, the jaws of the tweezer are formed of a single elongated section of spring steel formed into a generally U-shaped. The two extreme ends of the jaw member are provided with appropriate opposed sections normally spaced apart and adapted to be pressed toward one another to firmly grip a small article such as a hair or a splinter. Each of the legs of the jaw member has an outwardly facing rectangular aperture provided near their midsections.
The bight end of the jaw member embraces a generally U-shaped leaf spring member having legs which terminate in a sharp bend which extends outwardly from the legs. The sharp bends of the spring member are adapted to fit through and project outwardly from the apertures in the legs of the jaw member.
The bight end of the jaw member is encompassed within the legs of a U-shaped gripper member having its rounded ends abutting the sharp bends of the spring projecting from the legs of the jaw member. A leaf spring bent into an S-shaped configuration is supported between the bight of the jaw member and the bight of the gripper member. The S-shaped spring urges the jaw member outwardly in an extended position with respect to the gripper member. When the ends of the gripper member are urged toward one another, they first .press the jaws into closing engagement. Continued application of pressure on the gripper member produces a compression on the bent ends of the U-shaped spring. Further pressure on the gripper member causes the resilient spring ends to recede sufliciently so that the jaw member can retract against the biased S-shaped spring and in a direction perpendicular to the closing action of the jaws. By separating the retracting movement from the closing action of the jaws, the jaws are permitted to firmly establish their grasp on the hair before it is retracted.
The preferred embodiment includes a cover section preferably formed of polypropylene plastic and which is disposed internally of the bight of the jaw member and wraps around the S-shaped spring to engage a pair 3,289,565 Patented Oct. 25, 1966 of flanges formed in the bight of the gripper member so as to provide a unitary gripping surface. The gripper member also has sets of wings which extend toward one and another from its two legs and cooperate with the cover section to protect and enclose the S-shaped spring.
It is therefore seen to be the primary object of the present invention to provide a tweezer of the automatic retracting type wherein the jaws are formed of a single U-shaped section having an aperture formed in each of the two legs; a U-shaped spring embraced in the jaw member and having legs which terminate in sharp resilient bends which extend through the apertures of the jaw legs; the gripper mechanism is formed of a U-shaped section having its ends adapted to engage the projecting bends of the spring member; and a second spring is provided between the bight of the jaw section and the bight of the gripper section adapted to urge the jaw section outwardly with respect to the gripper section.
A further object of the present invention is to provide such a tweezer in which a cover member embraces the bight of the jaw member and engages with flanges extending downwardly from the bight of the gripper member thereby providing a cover having a unitary appearance.
Other objects, advantages and applications of the present invention will be made apparent by the following detailed description in the preferred embodiment of the present invention. The description makes reference to the drawings in which:
FIGURE 1 is a perspective view of a preferred embodiment of the tweezers;
FIGURE 2 is an elevational sectional view of the preferred embodiment of the tweezers;
FIGURE 3 is a side view of the preferred tweezers with the cover section removed;
FIGURE 4 is a sectional view of the tweezers taken along line 4-4 of FIGURE 2;
FIGURE 5 is a cross-section through one of the legs of the jaw member showing the transverse curvature thereof, taken along line 55 of FIGURE 2;
FIGURE 6 illustrates how the application of a manual pressure to the gripper member causes the jaws to close;
FIGURE 7 illustrates how the continued application of pressure to the preferred gripper member has caused the gripper legs to urge the bends of the U-shaped spring member to recede inwardly thus permitting the jaw member to start its retraction movement;
FIGURE 8 illustrates the legs of the preferred gripper member having passed over the bends of the spring member so that the jaw member has partially retracted against the urging of the S-shaped spring in a direction normal to the closing action of the jaws;
FIGURE 9 is an expanded view of the preferred cover member; and
FIGURE 10 is a side view of the preferred cover member illustrating in phantom its normal folded configuratron.
Now referring to the drawings, the jaw member generally indicated at 10 of the preferred tweezers may be stamped or forged preferably out of a spring steel. The jaw 10 is formed into a generally U-shaped section terminating in two end sections 12 which are adapted to grip a small article such as a section of hair, a splinter or the like. The internal opposed surfaces of the end sections may be flattened as at 14 to provide a superior gripping surface when the ends are urged together.
The legs 16 of the jaw member are preferably bowed in the transverse direction, as best can be seen in FIGURE 5, in order to strengthen their desirable long and thin eX- tension. Adjacent to the middle of the extension the bowed configuration is terminated and the jaw member takes a flat form sharply bent at two spaced points 18 and is shaped with a flat portion 20 intermediate the 3 sharp bends. These bends form the bight of the jaw section.
As can best be seen in FIGURE 2, the legs 16 of the jaw member are provided near their mid section and adjacent to the point Where the cross-section of the configuration of the legs changes from the bowed configuration of FIGURES to a flat section, with a pair of rectangular transverse apertures 22.
The jaw member embraces a generally U-shaped leaf spring member 24 formed of clock spring steel which is retained to the jaw member by a flange 26provided on an inner side of the flat portion of the bight. The legs 28 of the spring 24 terminate in a narrowed section having an outwardly bent portion 30. The bent ends 30 are adapted to, fit through the apertures 22 in the jaw member and extend outwardly from the legs 16.
The extending bent ends 30 of the spring 24 are normally engaged by the extreme ends 32 of a gripper member generally indicated at 34. The gripper member 34 is preferably stamped from sheet spring stainless steelor suitably formed from plastic. The gripping ends 32 of the gripper member each include two transversely extending ears 36 which are bent around the sides of the leg sections of the jaw member to prevent disengagement of the gripper ends 32 with the jaw member; Immediately, adjacent the end sections 32 the gripper members are bent sharply outwardly as at 38 and then inwardly in the direction of the opposite leg in a widely flaring section 40 which preferably has serrations thereon as can be seen in FIGURE 3 and is adapted to be engaged by fingers for the purpose of actuating the tweezer mechamsm.
The bight of the gripper member 34 is formed by two sharp bends 43 joined by a flat portion 44. The bight carries a pair of normally inwardly extending flange members 46 which have elongated apertures 48 formed along the edge adjacent the flat portion 44 as can best be seen in FIGURE 2. Intermediate the bands 42 and the bends 38 the gripping arms carry a pair of inwardly bent wing sections 50 extending from each of the sides. The wing sections thus extend parallel to one another and cooperate with a cover section in a manner which will be subsequently noted.
An S-shaped leaf spring generally indicated at 52 is disposed between the bight of the jaw member 10 and the bight of the gripper member 34. The spring has a first free end 54 which fits within the flanges 46 and abuts the inner surface of the flat portion 44 of the gripper member. The other free end 56 abuts the outer side of the bight section of the jaw member 10. The spring ends 54 and 56 thus urge the jaw member into the extended position, indicated in FIGURE 2, with respect to the gripper ends.
Referring to FIGURES 9 and 10, the cover section generally indicated at 58 is preferably formed of a polypropylene and includes a pair of flattened cover members 60 joined to a curved joinder 62. On opposite edges of the curved joinder 62 and on the convex side thereof are provided a pair of indentation lines 64 which extend transversely across the section to provide a hinge line for the tow side cover sections wherein they will bend toward one another as can be seen in phantom in FIG- URE 10. Each of the cover sections 60 carries adjacent its outer free end a normally extending flange member 65 having an enlarged outer edge 66. Referring to FIGURES 1 and 2, it can be seen that the cover member 58 forms an enclosure for the gripper mechanism by embracing the bight of the spring 24 and the jaw member and in which the cover sections 60 are bent normally to the curved portion 62 such that the flanges 65 can be inserted in the apertures 48 so that the enlarged end 66 of the flanges are retained therein, thereby anchoring the cover member to the gripper member.
In use, the preferred tweezer is held with two fingers pressed against the flaring sections 40. As can be seen 4 1 in FIGURE 6, the sections 40 are pressed together until the jaw ends 12 abut one another in a clamping position.
As can be seen in FIGURE 7, a continued pressure causes the bent portions of the spring 24 to yield inwardly unti-l as can be seen in FIGURE'8 the ends of the gripper 32 have slipped over the bent portions of the spring permitting the jaw member 34 to move inwardly with respect to the gripper section and normally to the closing action of the jaws. Thus, the hesitation between the closing action of the ends of the jaw section and the retracting motion of the jaw member permits the jaw ends to impose a firm grasp on the article before the gripper member retracts the jaw member and the article being removed. By separating the closing action of the jaws from the retraction effort, the improved tweezer more neatly pulls out hairs or other items grasped by the aws.
The improved cover member 58 neatly and unobtrusively encloses the tweezer mechanism and the springs thus providing a simple and highly aesthetic assembly.
Having thus described my invention I claim:
1. A retracting tweezer, comprising:
(a) a U-shaped jaw member having opposed gripping surfaces on its extreme ends;
(b) a U-shaped gripper member surrounding the bight of said jaw member and having its ends engaging. the legs of the jaw member;
(c) means resiliently retaining said jaw member in an extended position with respect to the ends of said gripper member;
((1) an elongated spring disposed intermediate the bight of said jaw member and the bight of said gripper member and urging said jaw member into an extended position with respect to said gripper member so thata pressure applied to the gripper member causes the ends of said jaw member to close and then causes said resilient retaining means to deform and permit said jaw member to retract with respect to said gripper member against the pressure of said spring. 7
2. A retracting tweezer as defined in claim 1, wherein said resilient retaining means comprises a spring member disposed intermediate the legs vof said jaw member and having sections associated with each of. said jaw legs and said sections normally extending from the jaw legs to yieldably abut the ends of said gripper member.
3. A retracting tweezer, as defined in claim 1, wherein said resilient retaining means comprises an elongated U-shaped spring member disposed intermediate the legs of said jaw member and having end sections associated with said jaw legs and normally extending outwardly thereto so that said sections yieldably abut the ends of said gripper member.
4. A retracting tweezer as defined in claim 1, wherein shaped spring adapted to project through said apertures,
to yieldably abut the ends of said jaw member.
v 5. A retracting tweezer as defined in claiml, wherein said elongated spring has, an S-shaped center sectionwith a first free end abutting the bight of said gripper member and a second free end abutting the bight of said jaw member and urging said jaw member into an extended position with respect to said gripper member.
6. A retracting tweezer as defined in claim 5, whereln the bight of said gripper member includes a pair of spaced flanges extending in. a direction toward the bight of said jaw member and adapted to retain the first free end of said. S-shaped spring therebetween.
7. A retracting tweezer as defined in claim 1, wherein the bight of said gripper member includes a pair of spaced a g s s tsnding normally thereto, and a cover member References Cited by the Examiner UNITED STATES PATENTS 2,533,801 12/1950 Heilig 128354 5 WILLIAM FELDMAN, Primary Examiner.
O. M. SIMPSON, Assistant Examiner.
Claims (1)
1. A RETRACTING TWEEZER, COMPRISING: (A) A U-SHAPED JAW MEMBER HAVING OPPOSED GRIPPING SURFACES ON ITS EXTREME ENDS; (B) A U-SHAPED GRIPPER MEMBER SURROUNDING THE BIGHT OF SAID JAW MEMBER AND HAVING ITS ENDS ENGAGING THE LEGS OF THE JAW, MEMBER; (C) MEANS RESILIENTLY RETAINING SAID JAW MEMBER IN AN EXTENDED POSITION WITH RESPECT TO THE ENDS OF SAID GRIPPER MEMBER; (D) AN ELONGATED SPRING DISPOSED INTERMEDIATE THE BIGHT OF SAID JAW MEMBER AND THE BIGHT OF SAID GRIPPER MEMBER AND URGING SAID JAW MEMBER INTO AN EXTENDED POSITION WITH RESPECT TO SAID GRIPPER MEMBER SO THAT A PRESSURE APPLIED TO THE GRIPPER MEMBER CAUSES THE ENDS OF SAID JAW MEMBER TO CLOSE AND THEN CAUSES SAID RESILIENT RETAINING MEANS TO DEFORM AND PERMIT SAID JAW MEMBER TO RETRACT WITH RESPECT TO SAID GRIPPER MEMBER AGAINST THE PRESSURE OF SAID SPRING.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US541260A US3280665A (en) | 1966-04-08 | 1966-04-08 | Tweezers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US541260A US3280665A (en) | 1966-04-08 | 1966-04-08 | Tweezers |
Publications (1)
Publication Number | Publication Date |
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US3280665A true US3280665A (en) | 1966-10-25 |
Family
ID=24158846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US541260A Expired - Lifetime US3280665A (en) | 1966-04-08 | 1966-04-08 | Tweezers |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4634165A (en) * | 1985-01-17 | 1987-01-06 | Russell Robert C | Forceps having replaceable tips |
US5263754A (en) * | 1992-04-21 | 1993-11-23 | Coleman Kenneth J | Barbed tweezers with magnifying glass |
US20040145200A1 (en) * | 2003-01-24 | 2004-07-29 | Cho Yong Hoon | Padded tweezers |
US6866314B2 (en) * | 2003-01-24 | 2005-03-15 | Yong Hoon Cho | Padded tweezers |
US20090054925A1 (en) * | 2007-08-21 | 2009-02-26 | Yong Hoon Cho | Safe tweezers |
US20100164242A1 (en) * | 2005-06-30 | 2010-07-01 | Bjoerlund John | Chopstick Holder |
US7887112B1 (en) * | 2009-11-25 | 2011-02-15 | Levenson Donald R | Food clip utensil |
US20130200643A1 (en) * | 2011-08-02 | 2013-08-08 | Edward E. Marshall, III | Chopsticks utensil |
USD749729S1 (en) * | 2014-10-08 | 2016-02-16 | Cool Renewal, LLC | Skin tag tweezer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2533801A (en) * | 1947-05-05 | 1950-12-12 | William R Heilig | Tweezers |
-
1966
- 1966-04-08 US US541260A patent/US3280665A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2533801A (en) * | 1947-05-05 | 1950-12-12 | William R Heilig | Tweezers |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4634165A (en) * | 1985-01-17 | 1987-01-06 | Russell Robert C | Forceps having replaceable tips |
US5263754A (en) * | 1992-04-21 | 1993-11-23 | Coleman Kenneth J | Barbed tweezers with magnifying glass |
US20040145200A1 (en) * | 2003-01-24 | 2004-07-29 | Cho Yong Hoon | Padded tweezers |
US6866314B2 (en) * | 2003-01-24 | 2005-03-15 | Yong Hoon Cho | Padded tweezers |
US20100164242A1 (en) * | 2005-06-30 | 2010-07-01 | Bjoerlund John | Chopstick Holder |
US20090054925A1 (en) * | 2007-08-21 | 2009-02-26 | Yong Hoon Cho | Safe tweezers |
US7887112B1 (en) * | 2009-11-25 | 2011-02-15 | Levenson Donald R | Food clip utensil |
US20130200643A1 (en) * | 2011-08-02 | 2013-08-08 | Edward E. Marshall, III | Chopsticks utensil |
US8870254B2 (en) * | 2011-08-02 | 2014-10-28 | Edward E. Marshall, III | Chopsticks utensil |
USD749729S1 (en) * | 2014-10-08 | 2016-02-16 | Cool Renewal, LLC | Skin tag tweezer |
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