CA1139501A - Nail holder - Google Patents
Nail holderInfo
- Publication number
- CA1139501A CA1139501A CA000356836A CA356836A CA1139501A CA 1139501 A CA1139501 A CA 1139501A CA 000356836 A CA000356836 A CA 000356836A CA 356836 A CA356836 A CA 356836A CA 1139501 A CA1139501 A CA 1139501A
- Authority
- CA
- Canada
- Prior art keywords
- levers
- nail
- jaws
- axis
- gripping
- 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
Links
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A nail holder having nail holding jaws mounted on levers pivoting at a position such that good leverage can be applied for gripping a nail, the undersides of the jaws providing a cavity receiving a ridge of corrugated roofing, the tool be-ing formed in a manner for economical manufacture from mater-ials sufficiently malleable as to withstand hammer blows, some of the levers being formed of steel bar twisted for ease of pivotal attachment.
A nail holder having nail holding jaws mounted on levers pivoting at a position such that good leverage can be applied for gripping a nail, the undersides of the jaws providing a cavity receiving a ridge of corrugated roofing, the tool be-ing formed in a manner for economical manufacture from mater-ials sufficiently malleable as to withstand hammer blows, some of the levers being formed of steel bar twisted for ease of pivotal attachment.
Description
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BACKGROUND OF THE INVENTION
During the nailing of corrugated roofing sheets onto a roof, nails frequently glance away from the convex ridge, rather than driving straight through the ridge as is desirable.
When a nail glances in this way, it can even penetrate the metal in a valley between the ridges where rain will cause leaking.
A glancing nail can cause the hammer to strike a person's thumb, resulting in a very badly bruised "black" thumb.
10. Even though corrugated roofing has been popular for the greater part of a century, no tool to my knowledge, has ever been marketed for solving this problem. I am aware of a proposal made in Patent No. 1,688,445, issued to I. N. Williams on Oct. 23, 1928, titled "NAIL HOLDER". In this patent the levers were shaped in a curved manner and the jaws were of one piece with the respective levers, so that the only way that would be suggested for making the tool would be to make it by casting the parts. However, cast parts will break quickly when hit with a hammer as would often occur. In my opinion, 20. this is probably a reason why I have not seen the tool of this patent on the market.
It is an object of this invention to provide a nail hold-ing tool, the undersurfaces of which are adapted to snugly fit corrugation, ridges, but having the features that the tool is adapted to economical manufacture from materials that can withstand hammer blows, rather than having the problem of being cracked by hammer blows as in the case of cast metal.
I conceived, for economical manufacture, that the levers of a nail holder could be made of steel bar stock which is 30. economically available and that the forward ends of the levers
BACKGROUND OF THE INVENTION
During the nailing of corrugated roofing sheets onto a roof, nails frequently glance away from the convex ridge, rather than driving straight through the ridge as is desirable.
When a nail glances in this way, it can even penetrate the metal in a valley between the ridges where rain will cause leaking.
A glancing nail can cause the hammer to strike a person's thumb, resulting in a very badly bruised "black" thumb.
10. Even though corrugated roofing has been popular for the greater part of a century, no tool to my knowledge, has ever been marketed for solving this problem. I am aware of a proposal made in Patent No. 1,688,445, issued to I. N. Williams on Oct. 23, 1928, titled "NAIL HOLDER". In this patent the levers were shaped in a curved manner and the jaws were of one piece with the respective levers, so that the only way that would be suggested for making the tool would be to make it by casting the parts. However, cast parts will break quickly when hit with a hammer as would often occur. In my opinion, 20. this is probably a reason why I have not seen the tool of this patent on the market.
It is an object of this invention to provide a nail hold-ing tool, the undersurfaces of which are adapted to snugly fit corrugation, ridges, but having the features that the tool is adapted to economical manufacture from materials that can withstand hammer blows, rather than having the problem of being cracked by hammer blows as in the case of cast metal.
I conceived, for economical manufacture, that the levers of a nail holder could be made of steel bar stock which is 30. economically available and that the forward ends of the levers
- 2 -~3~
could be twisted into horizontal planar positions for effec-tive pivotal attachment of the levers together, while yet permitting a bending of the levers transversely of their width in positions for achieving a desired shape and support-ing nail holding jaws. Such steel could receive a hammer blow and the blow would tend to be withstood, because the blow would hit the steel bar stock edgewise, although I prefer that the jaws protrude above the levers so that the jaws receive all normal and accurate hammer blows.
10. I propose that the jaws themselves be made of malleable material, capable of withstanding hammer blows, and I have found that lead is a good material for this purpose. Lead can be cast to a desired shape and yet is malleable, which cannot be said for cast iron.
A further object of this invention is to provide jaws which can be easily held in place by metal screws for econom-ical fabrication.
A further objective is to provide the concept of attach-ing the jaws to the levers in a manner such that when a ver-20. tical set of nail receiving notches in the jaws are in uprightnailing position, then the handle ends of the levers will be spaced from adjacent parts of the roofing for accommodating the fingers between the levers and the roofing.
A further object is to provide a nail holder that is suitable for holding nails that are being driven into concrete because the nails are firmly held by good leverage, and be-cause the jaws are solid without openings therethrough, whereby chips of concrete cannot fly up from the point of the nail through any openings in the jaws endangering the eyes of a 30. workman.
-~L~3~
SU~MARY OF THE INVENTION
The main feature of this invention is to provide a nailholder having right and left elongatecl levers pivotally attach-ed together at one end for pivoting about an axis r right and left jaws attached to respective right and left levers and facing each other and having nail-gripping surfaces respect-ively disposed in positions for gripping a nail at times when said levers are in positions for nail-gripping, the undersides of the jaws having grooves which together form a cavity adapt-ed to receive a ridge of corrugated roofing, the jaws having 10. notches therein for receiving the opposite sides of a nail for firmly holding the nail straight and supporting the nail so that it does not become bent while being driven, the jaws be-ing disposed near the attached ends of the levers.
A further feature is an economy of construction accom-plished by using flat pieces of material for the levers with the levers being twisted so as to have horizontal forward por-tions for ease of attachment, yet vertical portions for ease of mounting of the jaws thereon.
~ nother feature is to provide a nail holder, the forward 20. ends of the levers and the jaws of which are formed of material sufficiently maIleable and non-brittle as to withstand hammer blows like steel, the jaws preferably being of lead for ease of application and the ability to withstand hammer blows with-out cracking and also without damaging the head of the hammer, since hammer heads can be ch-ipped and are very expensive.
BRIEF DESCRIPTION OF THE DRAWING
Figure 1 is a top plan view of the nail holder of this invention shown in a jaws closed position with handle covering materials thereof shown with uppermost portions broken away 30. and the remainder shown in section.
~4 .
~L~3~5~!1 Figure 2 is a side elevation of the nail holder of this invention shown in nail-gripping position and nail-driving position with a nail being shown therein.
Figùre 3 is a view of two lapped pieces of corrugated roofing material shown as seen from an edge and parallel with the straight parallel ridges thereof, lowermost parts of the jaws of the nail holder of this invention being shown in posi-tion above a ridge preparatory to the driving of a nail, other portions of the nail not being shown.
10. Figure 4 is a bottom plan view of the jaws of the nail holder shown in jaws-closed position.
DESCRIPTION OF THE PREFERRED EMBODIMENT
The nail holder of this invention is generally indicated at 10 in Figure 1, and comprises left and right levers 12, which are formed of steel bar stock, having planar vertical sides 20 and along most of the length of each lever 12, although adjac-ent but spaced from the forward end of each lever 12, the lever ~; is bent at 30 toward a pivot axls 40 at obtuse angle inclination with respect to the respective~straight main portion 34 of the 20. lever, such inclining portions being seen at 40 and having at their forward ends terminal portions 44, which are disposed in horizontal planes because the bar stock material of the levers 12 is twisted 90~ at 50~between the flat inclining portions 40 ;~ and the forward horizontal portions 44.
The forward horiz ontal portions 44 are secured together by an suitable security means such as a rivet 50 for pivoting about the axis 40.
The rearward ends of the levers 12 can be provided with suitable covering 61, shown in cross-section in Figure 1.
30. Between the forward ends of the straight portions 20 of -~ 5 .
x~
the levers 12 left and right j.aws 60 are aisposed, the jaws 60 having vertical planar flat outer edges 62 abutting inner sides 64 of the levers and to which they are secured by metal screws 70 extending through the apertured levers 12 and into the jaws 60 which are preferably formed of malleable material such as lead.
The inner edges of the jaws 60 are preferably flat and are seen at 74, but with the exception that they are provided with vertical nail-receiving notches 80 which cooperate by be-10. ing disposed opposite each other to form, in effect, an elong-ated cylindrical opening to which a nail can be received, as shown by the nail 90 of Figure 2, preparatory to the driving of the nail through corrugated roofing materials such as an upper layer of corrugated roofing 104, and a lower layer of corrugated roofing 106, shown in Figure 3. The undersurfaces of the jaws 60 are provided with grooves 140, extending from right to left completely thereunder, and together forming a cavity 150 at times when the jaws 60 are substantially against one another. The cavity 150 is of a concave curved shape, ex~
20. tending from left to right, and is adapted to be snugly received against a complimentary shaped convex upper surface 160 of a ridge of the roofing material 104, as best seen in Figure 3, whereby the nail 9 a of Figure 2 can be driven down through the opening 80, best seen ~n Figure 1, whil.e the tool is held from sliding off of the ridge 160 by the cavity 150~ which latter lapse across suhstantial areas on both sides of the crest of the ridge 160.
Referring to Figure 2, it will be seen that the elongated straight lever portions 20 extend at an obtuse angle with re-30. spect to the horizontal at times when the tool is held in a ~3~S~
position such that its nail groove 80 is vertical. This isso the fingers of an operator can extend around the handle por-tion under the covering 61 without engaging adjacent parts of the corrugated roofing materials.
The jaws, as best seen in Figures 1 and 4, have a hori-zontal dimension as measured in a direction transverse to the length of the levers which dimension is more than the corres-ponding transverse dimension of the respective lever by a multiple of at least 2, as shown, and even by a multiple of 10. at least 4, as shown.
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could be twisted into horizontal planar positions for effec-tive pivotal attachment of the levers together, while yet permitting a bending of the levers transversely of their width in positions for achieving a desired shape and support-ing nail holding jaws. Such steel could receive a hammer blow and the blow would tend to be withstood, because the blow would hit the steel bar stock edgewise, although I prefer that the jaws protrude above the levers so that the jaws receive all normal and accurate hammer blows.
10. I propose that the jaws themselves be made of malleable material, capable of withstanding hammer blows, and I have found that lead is a good material for this purpose. Lead can be cast to a desired shape and yet is malleable, which cannot be said for cast iron.
A further object of this invention is to provide jaws which can be easily held in place by metal screws for econom-ical fabrication.
A further objective is to provide the concept of attach-ing the jaws to the levers in a manner such that when a ver-20. tical set of nail receiving notches in the jaws are in uprightnailing position, then the handle ends of the levers will be spaced from adjacent parts of the roofing for accommodating the fingers between the levers and the roofing.
A further object is to provide a nail holder that is suitable for holding nails that are being driven into concrete because the nails are firmly held by good leverage, and be-cause the jaws are solid without openings therethrough, whereby chips of concrete cannot fly up from the point of the nail through any openings in the jaws endangering the eyes of a 30. workman.
-~L~3~
SU~MARY OF THE INVENTION
The main feature of this invention is to provide a nailholder having right and left elongatecl levers pivotally attach-ed together at one end for pivoting about an axis r right and left jaws attached to respective right and left levers and facing each other and having nail-gripping surfaces respect-ively disposed in positions for gripping a nail at times when said levers are in positions for nail-gripping, the undersides of the jaws having grooves which together form a cavity adapt-ed to receive a ridge of corrugated roofing, the jaws having 10. notches therein for receiving the opposite sides of a nail for firmly holding the nail straight and supporting the nail so that it does not become bent while being driven, the jaws be-ing disposed near the attached ends of the levers.
A further feature is an economy of construction accom-plished by using flat pieces of material for the levers with the levers being twisted so as to have horizontal forward por-tions for ease of attachment, yet vertical portions for ease of mounting of the jaws thereon.
~ nother feature is to provide a nail holder, the forward 20. ends of the levers and the jaws of which are formed of material sufficiently maIleable and non-brittle as to withstand hammer blows like steel, the jaws preferably being of lead for ease of application and the ability to withstand hammer blows with-out cracking and also without damaging the head of the hammer, since hammer heads can be ch-ipped and are very expensive.
BRIEF DESCRIPTION OF THE DRAWING
Figure 1 is a top plan view of the nail holder of this invention shown in a jaws closed position with handle covering materials thereof shown with uppermost portions broken away 30. and the remainder shown in section.
~4 .
~L~3~5~!1 Figure 2 is a side elevation of the nail holder of this invention shown in nail-gripping position and nail-driving position with a nail being shown therein.
Figùre 3 is a view of two lapped pieces of corrugated roofing material shown as seen from an edge and parallel with the straight parallel ridges thereof, lowermost parts of the jaws of the nail holder of this invention being shown in posi-tion above a ridge preparatory to the driving of a nail, other portions of the nail not being shown.
10. Figure 4 is a bottom plan view of the jaws of the nail holder shown in jaws-closed position.
DESCRIPTION OF THE PREFERRED EMBODIMENT
The nail holder of this invention is generally indicated at 10 in Figure 1, and comprises left and right levers 12, which are formed of steel bar stock, having planar vertical sides 20 and along most of the length of each lever 12, although adjac-ent but spaced from the forward end of each lever 12, the lever ~; is bent at 30 toward a pivot axls 40 at obtuse angle inclination with respect to the respective~straight main portion 34 of the 20. lever, such inclining portions being seen at 40 and having at their forward ends terminal portions 44, which are disposed in horizontal planes because the bar stock material of the levers 12 is twisted 90~ at 50~between the flat inclining portions 40 ;~ and the forward horizontal portions 44.
The forward horiz ontal portions 44 are secured together by an suitable security means such as a rivet 50 for pivoting about the axis 40.
The rearward ends of the levers 12 can be provided with suitable covering 61, shown in cross-section in Figure 1.
30. Between the forward ends of the straight portions 20 of -~ 5 .
x~
the levers 12 left and right j.aws 60 are aisposed, the jaws 60 having vertical planar flat outer edges 62 abutting inner sides 64 of the levers and to which they are secured by metal screws 70 extending through the apertured levers 12 and into the jaws 60 which are preferably formed of malleable material such as lead.
The inner edges of the jaws 60 are preferably flat and are seen at 74, but with the exception that they are provided with vertical nail-receiving notches 80 which cooperate by be-10. ing disposed opposite each other to form, in effect, an elong-ated cylindrical opening to which a nail can be received, as shown by the nail 90 of Figure 2, preparatory to the driving of the nail through corrugated roofing materials such as an upper layer of corrugated roofing 104, and a lower layer of corrugated roofing 106, shown in Figure 3. The undersurfaces of the jaws 60 are provided with grooves 140, extending from right to left completely thereunder, and together forming a cavity 150 at times when the jaws 60 are substantially against one another. The cavity 150 is of a concave curved shape, ex~
20. tending from left to right, and is adapted to be snugly received against a complimentary shaped convex upper surface 160 of a ridge of the roofing material 104, as best seen in Figure 3, whereby the nail 9 a of Figure 2 can be driven down through the opening 80, best seen ~n Figure 1, whil.e the tool is held from sliding off of the ridge 160 by the cavity 150~ which latter lapse across suhstantial areas on both sides of the crest of the ridge 160.
Referring to Figure 2, it will be seen that the elongated straight lever portions 20 extend at an obtuse angle with re-30. spect to the horizontal at times when the tool is held in a ~3~S~
position such that its nail groove 80 is vertical. This isso the fingers of an operator can extend around the handle por-tion under the covering 61 without engaging adjacent parts of the corrugated roofing materials.
The jaws, as best seen in Figures 1 and 4, have a hori-zontal dimension as measured in a direction transverse to the length of the levers which dimension is more than the corres-ponding transverse dimension of the respective lever by a multiple of at least 2, as shown, and even by a multiple of 10. at least 4, as shown.
; ' :
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, , , ~ .. . . : -:-~
Claims (4)
1. A nail holder having right and left elongated levers, means attaching said levers pivotally together at their for-ward end for rotation about an axis, said levers being dispos-ed alongside each other and being spaced apart with respect to each other in directions transverse to the elongation of said levers, right and left nail-gripping jaws each mounted on a respective one of said right and left levers, said jaws having opposed nail-gripping surfaces adapted to grip a nail therebetween when said jaws are held in a gripping position, said jaw surfaces being disposed in positions between said axis and the opposite ends of said levers and being disposed much closer to said axis than to said other ends of said levers, said jaws each having a horizontal dimension as measured in a direction transverse to the length of said levers which di-mension is more than the corresponding transverse dimension of the respective lever by a multiple of at least 2, said nail-gripping surfaces forming a nail groove when said jaws are held in said gripping position, said nail groove being vertical and parallel to said axis, said levers extending at an acute angle upwardly with respect to said axis, said for-ward lever ends each being twisted 90° so that their forward lever ends are horizontal, said levers each having the same transverse cross-sectional shape substantially from their rear-ward ends forwardly to said jaws so as to be manufacturable from bar-stock, and the jaws protruding below said levers and defining a concave recess perpendicular to said nail groove and transversely extending with respect to said levers, said recess being for placement over the crest of corrugated sheet metal.
2. The nail holder of claim 1 in which said jaws protrude both above and below said levers.
3. The nail holder of claim 1 having said jaws being substantially made of lead.
4. The nail holder of claim 1 having said multiple being at least 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000356836A CA1139501A (en) | 1980-07-23 | 1980-07-23 | Nail holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000356836A CA1139501A (en) | 1980-07-23 | 1980-07-23 | Nail holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1139501A true CA1139501A (en) | 1983-01-18 |
Family
ID=4117495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000356836A Expired CA1139501A (en) | 1980-07-23 | 1980-07-23 | Nail holder |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1139501A (en) |
-
1980
- 1980-07-23 CA CA000356836A patent/CA1139501A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |