USRE38093E1 - Mason's hand tool - Google Patents

Mason's hand tool Download PDF

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Publication number
USRE38093E1
USRE38093E1 US09/825,773 US82577301A USRE38093E US RE38093 E1 USRE38093 E1 US RE38093E1 US 82577301 A US82577301 A US 82577301A US RE38093 E USRE38093 E US RE38093E
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US
United States
Prior art keywords
handle
head cap
head
hand tool
fastened
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US09/825,773
Inventor
Lian-Jen Chiou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GOODLY-CH ENTERPRISE Co Ltd
Original Assignee
Ding Wei Enterprises Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/280,705 external-priority patent/US6131290A/en
Application filed by Ding Wei Enterprises Inc filed Critical Ding Wei Enterprises Inc
Priority to US09/825,773 priority Critical patent/USRE38093E1/en
Application granted granted Critical
Publication of USRE38093E1 publication Critical patent/USRE38093E1/en
Assigned to GOODLY-CH ENTERPRISE CO., LTD. reassignment GOODLY-CH ENTERPRISE CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DING WEI ENTERPRISES, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape

Definitions

  • the present invention relates generally to a hand tool, and more particularly to a mason's hand tool.
  • a mason's hand tool of the prior art comprises a blade 10 ′ , a handle 20 ′ , and a head cap 25 30 ′ .
  • the handle 20 ′ is made of a plastic material and is devoid of a skidproof surface enabling the hand of a person to get a firm grip on the handle 20 ′ .
  • the head cap 25 30 ′ is fastened with the head end of the handle 20 ′ by rivet or adhesive and is therefore vulnerable to being detached from the head end of the handle 20 ′ especially at the time when the head cap 25 30 ′ is used by a mason to hit a nail or screw that is not completely fastened onto something.
  • the primary objective of the present invention is therefore to provide an improved hand tool which is free from the drawbacks of the prior art hand tool described above.
  • a hand tool comprising a blade, a handle, and a head cap.
  • the handle is provided with a skidproof surface to enable the hand of a person to get a firm grip on the handle.
  • the handle and the head cap are made integrally of a rigid plastic material by injection molding.
  • FIG. 1 shows a perspective view of a hand tool of the prior art.
  • FIG. 2 shows an exploded view of the hand tool of the prior art.
  • FIG. 3 shows a perspective view of a hand tool of the preferred embodiment of the present invention.
  • FIG. 4 shows a perspective view of an embodiment of a head cap of the hand tool of the present invention.
  • FIG. 5 shows a perspective view of another embodiment of a head cap of the hand tool of the present invention.
  • FIG. 6 shows a side view, partly sectioned, of the hand grip of the present invention having the head cap in FIG. 4 .
  • FIG. 7 shows a side view, partly sectioned, of another partial grip of the present invention having the head cap in FIG. 5 4 .
  • a hand tool embodied in the present invention is composed of a blade 10 , a handle 20 , and a head cap 30 .
  • the handle 20 is fastened at one end thereof with the blade 10 which is used in spreading cement mortar or things of that nature.
  • the cap 30 is fastened with the head end of the handle 20 .
  • the handle 20 and the head cap 30 are made integrally of a rigid plastic material by injection molding.
  • the handle 20 is provided on the outer surface of the one end thereof with a skidproof area 12 providing friction to enable the thumb and the index finger to hold the skidproof area 12 securely.
  • the head cap 30 may be provided with a plurality of protrusions 31 each having a retaining head 32 which is greater in diameter than the protrusions 31 , as shown in FIG. 5 and FIG. 7 .
  • the head cap 30 is thus securely attached to the handle 20 , best shown in FIGS. 5 and 7.
  • the head cap 30 is provided with a plurality of threaded holes 35 and bolts 33 which are engaged with the threaded holes 35 .
  • Each bolt 33 has a head 34 which provides a similar function the retaining head 32 of FIG. 5 .
  • the head cap 30 is thus securely fastened with the handle 20 , thanks to the protrusions 31 or the bolts 33 which are securely anchored in the head end of the handle 20 .
  • the head cap 30 of the present invention is not vulnerable to being separated from the head end of the handle 20 even if the head cap 30 is used to hit a nail or screw that is not completely fastened onto something.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

A mason's hand tool includes a blade, a handle, and a head cap. The blade is fastened with one end of the handle. The handle has a head end opposite to the one end of the handle. The head cap is fastened with the hand end. The handle and the head cap are made integrally of a plastic material by injection molding. The head cap has a plurality of protruding which are anchored in the head end of the handle.

Description

FIELD OF THE INVENTION
The present invention relates generally to a hand tool, and more particularly to a mason's hand tool.
BACKGROUND OF THE INVENTION
As shown in FIGS. 1 and 2, a mason's hand tool of the prior art comprises a blade 10′ , a handle 20′ , and a head cap 25 30′ . The handle 20′ is made of a plastic material and is devoid of a skidproof surface enabling the hand of a person to get a firm grip on the handle 20′ . The head cap 25 30′ is fastened with the head end of the handle 20′ by rivet or adhesive and is therefore vulnerable to being detached from the head end of the handle 20′ especially at the time when the head cap 25 30′ is used by a mason to hit a nail or screw that is not completely fastened onto something.
SUMMARY OF THE INVENTION
The primary objective of the present invention is therefore to provide an improved hand tool which is free from the drawbacks of the prior art hand tool described above.
In keeping with the principle of the present invention, the foregoing objective of the present invention is attained by a hand tool comprising a blade, a handle, and a head cap. The handle is provided with a skidproof surface to enable the hand of a person to get a firm grip on the handle. The handle and the head cap are made integrally of a rigid plastic material by injection molding.
The foregoing objective, features, functions, and advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of a preferred embodiment of the present invention with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows a perspective view of a hand tool of the prior art.
FIG. 2 shows an exploded view of the hand tool of the prior art.
FIG. 3 shows a perspective view of a hand tool of the preferred embodiment of the present invention.
FIG. 4 shows a perspective view of an embodiment of a head cap of the hand tool of the present invention.
FIG. 5 shows a perspective view of another embodiment of a head cap of the hand tool of the present invention.
FIG. 6 shows a side view, partly sectioned, of the hand grip of the present invention having the head cap in FIG. 4.
FIG. 7 shows a side view, partly sectioned, of another partial grip of the present invention having the head cap in FIG. 5 4 .
DETAILED DESCRIPTION OF THE EMBODIMENT
As shown in FIG. 3, a hand tool embodied in the present invention is composed of a blade 10, a handle 20, and a head cap 30.
The handle 20 is fastened at one end thereof with the blade 10 which is used in spreading cement mortar or things of that nature. The cap 30 is fastened with the head end of the handle 20. In the preferred embodiment of the present invention, the handle 20 and the head cap 30 are made integrally of a rigid plastic material by injection molding. The handle 20 is provided on the outer surface of the one end thereof with a skidproof area 12 providing friction to enable the thumb and the index finger to hold the skidproof area 12 securely.
In order to enhance the fastening of the head cap 30 with the head end of the handle 20, the head cap 30 may be provided with a plurality of protrusions 31 each having a retaining head 32 which is greater in diameter than the protrusions 31, as shown in FIG. 5 and FIG. 7. The head cap 30 is thus securely attached to the handle 20, best shown in FIGS. 5 and 7. Now referring to FIG. 4, and FIG. 6, in another embodiment of the invention, the head cap 30 is provided with a plurality of threaded holes 35 and bolts 33 which are engaged with the threaded holes 35. Each bolt 33 has a head 34 which provides a similar function the retaining head 32 of FIG. 5. The head cap 30 is thus securely fastened with the handle 20, thanks to the protrusions 31 or the bolts 33 which are securely anchored in the head end of the handle 20. The head cap 30 of the present invention is not vulnerable to being separated from the head end of the handle 20 even if the head cap 30 is used to hit a nail or screw that is not completely fastened onto something.
The embodiment of the present invention described above is to be regarded in all respects as being merely illustrative and not restrictive. Accordingly, the present invention may be embodied in other specific forms without deviating from the spirit thereof. The present invention is therefore to be limited only by the scope of the following appended claims.

Claims (11)

What is claimed is:
1. A hand tool comprising a blade, a handle, and a head cap, said blade being fastened with a first end of said handle, said handle having a head end opposite to said first end, said head cap being fastened with said head end; wherein said handle and said head cap are made integrally of a plastic material by injection molding; and wherein said head cap has a plurality of protrusions each having a retaining head, said protrusions being anchored in said head end of said handle.
2. A hand tool comprising a blade, a handle, and a head cap, said blade being fastened with a first end of said handle, said handle having a head end opposite to said first end, said head cap being fastened with said head end; wherein said head cap is provided with a plurality of threaded holes and bolts which are engaged with said threaded holes; wherein said head cap and said handle are made integrally of a plastic material by injection molding; and wherein said bolts are anchored in said head end of said handle.
3. The hand tool as defined in claim 1, wherein said handle is provided with a skidproof area at an outer surface of said handle to provide friction between said handle and a hand holding said handle.
4. The hand tool as defined in claim 2, wherein said handle is provided with a skidproof area at an outer surface of said handle to provide friction between said handle and a hand holding said handle.
5. A hand tool comprising, in combination: a handle having a first end and a second end; a blade attached to the first end of the handle; and a head cap fastened with the second end of the handle, the handle being made of a plastic material, the handle and the head cap being made integral by injection molding, and the head cap having at least one protrusion anchored in the second end of the handle, wherein said at least one protrusion includes a retaining head.
6. The hand tool as defined in claim 5, wherein the handle and the head cap are made integrally of a plastic material by injection molding.
7. The hand tool as defined in claim 5, wherein said handle is provided with a skidproof area at an outer surface of said handle to provide friction between said handle and a hand holding said handle.
8. A hand tool comprising, in combination: a handle having a first end and a second end; a blade attached to the first end of the handle; and a head cap fastened with the second end of the handle, the handle being made of a plastic material, the handle and the head cap being made integral by injection molding, and the head cap having at least one protrusion anchored in the second end of the handle, wherein said at least one protrusion comprises at least one bolt securely attached to the head cap, and said at least one bolt being anchored in the second end of the handle.
9. The hand tool as defined in claim 8, wherein the head cap includes at least one threaded hole for engaging with said at least one bolt.
10. The hand tool as defined in claim 8, wherein the handle and the head cap are made integrally of a plastic material by injection molding.
11. The hand tool as defined in claim 8, wherein said handle is provided with a skidproof area at an outer surface of said handle to provide friction between said handle and a hand holding said handle.
US09/825,773 1999-03-30 2001-04-04 Mason's hand tool Expired - Lifetime USRE38093E1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/825,773 USRE38093E1 (en) 1999-03-30 2001-04-04 Mason's hand tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/280,705 US6131290A (en) 1999-03-30 1999-03-30 Mason's hand tool
US09/825,773 USRE38093E1 (en) 1999-03-30 2001-04-04 Mason's hand tool

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/280,705 Reissue US6131290A (en) 1999-03-30 1999-03-30 Mason's hand tool

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USRE38093E1 true USRE38093E1 (en) 2003-04-29

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6772994B1 (en) 2003-04-22 2004-08-10 Mayhew Tool Products Pry bar handle
US20050179272A1 (en) * 2004-02-17 2005-08-18 Virutex Ilko S.A. Oblong, non-slip, ergonomic handle for kitchen utensils
US20070017051A1 (en) * 2005-07-21 2007-01-25 Hallman John D Apparatus and method for alleviating ice freeze-up of vehicle windows
US20070017101A1 (en) * 2005-07-22 2007-01-25 United States Gypsum Company Taping knife with enlarged hammer element
US20070074401A1 (en) * 2005-07-22 2007-04-05 Myers Matthew E Taping knife handle with identification insert
US7523525B2 (en) 2003-04-22 2009-04-28 Mayhew Steel Products, Inc. Pry bar ergonomic handle
USD613005S1 (en) * 2009-02-20 2010-03-30 Han Lien International Corp. Grip for pet comb
USD613004S1 (en) * 2009-02-20 2010-03-30 Han Lien International Corp. Grip for pet comb
USD614819S1 (en) * 2008-05-01 2010-04-27 Han Lien International Corporation Grip for pet comb
US20110083690A1 (en) * 2009-10-09 2011-04-14 Rey Cardenas Ergonomic hair coloring brush
US20120204394A1 (en) * 2011-02-11 2012-08-16 Herman Wieland Hand Tool for Removing a Fly-Screen from a Window Frame
US20120246946A1 (en) * 2011-03-31 2012-10-04 Thomas Kreitz Knife With a Metal End Cap and Method for Fixing the End Cap
USD801146S1 (en) * 2016-01-27 2017-10-31 Edward Lenart Wall trim and molding removal tool

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US1469766A (en) 1919-03-24 1923-10-09 Robert S Blair Nonslipping device
US1529683A (en) * 1924-07-05 1925-03-17 Anderson Gustaf Chisel
GB422254A (en) 1934-03-05 1935-01-08 N C Joseph Ltd Improvements in saucepan and like handles
US2091458A (en) 1936-06-04 1937-08-31 George A Sleight Adjustable handgrip
US2328366A (en) 1942-07-28 1943-08-31 Elmer J Timmermann Table tennis bat
DE825778C (en) 1950-09-27 1951-12-20 Ernst August Saalmann Dr Med Manually operated control element
US2655963A (en) 1950-03-18 1953-10-20 Bostitch Inc Finger grip for handles of tools
US3562826A (en) * 1968-11-29 1971-02-16 James P Vaughn Multipurpose scraping tool
US3742602A (en) * 1970-03-31 1973-07-03 Spear & Jackson Ashberry Ltd Cutlery and flatware
US4197611A (en) 1978-09-14 1980-04-15 Lincoln Manufacturing Company, Inc. Hand grip for cooking utensil handle
DE2935806A1 (en) 1979-09-05 1981-04-02 Wolfgang Wirtz Kg, 5630 Remscheid Insulated handles for pliers, screwdrivers etc. - are formed from thick moulded covering of foam plastics filling holes in metal core
US4335509A (en) * 1980-05-09 1982-06-22 Smith Sarah L Beard and moustache trimmer
US4452289A (en) 1981-12-28 1984-06-05 Fiskars Manufacturing Corporation Combination hand grip and bits storage
WO1986002849A1 (en) 1984-11-13 1986-05-22 Dette Richard G O Anti-slip grip for drumsticks and the like
US4739536A (en) * 1985-07-13 1988-04-26 Wera Werk Hermann Werner Gmbh & Co. Screwdriver handgrip having harder and softer zones
US4773281A (en) 1987-06-05 1988-09-27 Diioia Michael A Body protecting handle grips
US4825552A (en) * 1987-03-05 1989-05-02 Fiskars Oy Ab Fillet knife having a flexible handle
US4828261A (en) 1984-04-14 1989-05-09 Horst Kleylein Handle for athletic equipment
US4893519A (en) 1987-07-24 1990-01-16 Sandro Mentasti & C. S.A.S. Handlebar grip
US4941232A (en) 1987-10-07 1990-07-17 Bettcher Industries, Inc. Slip resistant, cushioning cover for handles
US4974286A (en) 1990-03-26 1990-12-04 Smart Design, Inc. Universal handle for hand-held implement
USD314700S (en) 1989-02-21 1991-02-19 Lurkis Jeffry L Bicycle handlebar grip
US5052253A (en) * 1990-08-01 1991-10-01 Lin Ching Jou Screwdriver
USRE34194E (en) 1990-03-26 1993-03-16 Oxo International L.P. Universal handle for hand-held implement
US5210925A (en) * 1992-02-21 1993-05-18 Buck Knives, Inc. Process for manufacturing a knife
US5497551A (en) * 1994-10-13 1996-03-12 The Gillette Company Razor handle assembly
US5526724A (en) * 1993-08-10 1996-06-18 Bruggeman; Homer F. Screw driver with palm knob
US5881615A (en) * 1997-01-15 1999-03-16 Enderes Tool Company, Inc. Multiple bit screwdrivers and methods

Patent Citations (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1469766A (en) 1919-03-24 1923-10-09 Robert S Blair Nonslipping device
US1529683A (en) * 1924-07-05 1925-03-17 Anderson Gustaf Chisel
GB422254A (en) 1934-03-05 1935-01-08 N C Joseph Ltd Improvements in saucepan and like handles
US2091458A (en) 1936-06-04 1937-08-31 George A Sleight Adjustable handgrip
US2328366A (en) 1942-07-28 1943-08-31 Elmer J Timmermann Table tennis bat
US2655963A (en) 1950-03-18 1953-10-20 Bostitch Inc Finger grip for handles of tools
DE825778C (en) 1950-09-27 1951-12-20 Ernst August Saalmann Dr Med Manually operated control element
US3562826A (en) * 1968-11-29 1971-02-16 James P Vaughn Multipurpose scraping tool
US3742602A (en) * 1970-03-31 1973-07-03 Spear & Jackson Ashberry Ltd Cutlery and flatware
US4197611A (en) 1978-09-14 1980-04-15 Lincoln Manufacturing Company, Inc. Hand grip for cooking utensil handle
DE2935806A1 (en) 1979-09-05 1981-04-02 Wolfgang Wirtz Kg, 5630 Remscheid Insulated handles for pliers, screwdrivers etc. - are formed from thick moulded covering of foam plastics filling holes in metal core
US4335509A (en) * 1980-05-09 1982-06-22 Smith Sarah L Beard and moustache trimmer
US4452289A (en) 1981-12-28 1984-06-05 Fiskars Manufacturing Corporation Combination hand grip and bits storage
US4828261A (en) 1984-04-14 1989-05-09 Horst Kleylein Handle for athletic equipment
WO1986002849A1 (en) 1984-11-13 1986-05-22 Dette Richard G O Anti-slip grip for drumsticks and the like
US4739536A (en) * 1985-07-13 1988-04-26 Wera Werk Hermann Werner Gmbh & Co. Screwdriver handgrip having harder and softer zones
US4825552A (en) * 1987-03-05 1989-05-02 Fiskars Oy Ab Fillet knife having a flexible handle
US4773281A (en) 1987-06-05 1988-09-27 Diioia Michael A Body protecting handle grips
US4893519A (en) 1987-07-24 1990-01-16 Sandro Mentasti & C. S.A.S. Handlebar grip
US4941232A (en) 1987-10-07 1990-07-17 Bettcher Industries, Inc. Slip resistant, cushioning cover for handles
USD314700S (en) 1989-02-21 1991-02-19 Lurkis Jeffry L Bicycle handlebar grip
US4974286A (en) 1990-03-26 1990-12-04 Smart Design, Inc. Universal handle for hand-held implement
USRE34194E (en) 1990-03-26 1993-03-16 Oxo International L.P. Universal handle for hand-held implement
US5052253A (en) * 1990-08-01 1991-10-01 Lin Ching Jou Screwdriver
US5210925A (en) * 1992-02-21 1993-05-18 Buck Knives, Inc. Process for manufacturing a knife
US5526724A (en) * 1993-08-10 1996-06-18 Bruggeman; Homer F. Screw driver with palm knob
US5497551A (en) * 1994-10-13 1996-03-12 The Gillette Company Razor handle assembly
US5881615A (en) * 1997-01-15 1999-03-16 Enderes Tool Company, Inc. Multiple bit screwdrivers and methods

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040155229A1 (en) * 2003-04-22 2004-08-12 Mayhew Steel Products Pry Bar Handle
US7523525B2 (en) 2003-04-22 2009-04-28 Mayhew Steel Products, Inc. Pry bar ergonomic handle
US6772994B1 (en) 2003-04-22 2004-08-10 Mayhew Tool Products Pry bar handle
US20050179272A1 (en) * 2004-02-17 2005-08-18 Virutex Ilko S.A. Oblong, non-slip, ergonomic handle for kitchen utensils
US20070017051A1 (en) * 2005-07-21 2007-01-25 Hallman John D Apparatus and method for alleviating ice freeze-up of vehicle windows
US8151470B2 (en) * 2005-07-21 2012-04-10 John Dennis Hallman Apparatus and method for alleviating ice freeze-up of vehicle windows
US20070017101A1 (en) * 2005-07-22 2007-01-25 United States Gypsum Company Taping knife with enlarged hammer element
US20070074401A1 (en) * 2005-07-22 2007-04-05 Myers Matthew E Taping knife handle with identification insert
US7434318B2 (en) 2005-07-22 2008-10-14 United States Gypsum Company Tool with enlarged hammer element
USD614819S1 (en) * 2008-05-01 2010-04-27 Han Lien International Corporation Grip for pet comb
USD613005S1 (en) * 2009-02-20 2010-03-30 Han Lien International Corp. Grip for pet comb
USD613004S1 (en) * 2009-02-20 2010-03-30 Han Lien International Corp. Grip for pet comb
US20110083690A1 (en) * 2009-10-09 2011-04-14 Rey Cardenas Ergonomic hair coloring brush
US8118037B2 (en) * 2009-10-09 2012-02-21 Rey Cardenas Ergonomic hair coloring brush
US20120204394A1 (en) * 2011-02-11 2012-08-16 Herman Wieland Hand Tool for Removing a Fly-Screen from a Window Frame
US9227310B2 (en) * 2011-02-11 2016-01-05 Herman Wieland Hand tool for removing a fly-screen from a window frame
US20120246946A1 (en) * 2011-03-31 2012-10-04 Thomas Kreitz Knife With a Metal End Cap and Method for Fixing the End Cap
USD801146S1 (en) * 2016-01-27 2017-10-31 Edward Lenart Wall trim and molding removal tool

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