US178053A - Improvement in nail-extractors - Google Patents
Improvement in nail-extractors Download PDFInfo
- Publication number
- US178053A US178053A US178053DA US178053A US 178053 A US178053 A US 178053A US 178053D A US178053D A US 178053DA US 178053 A US178053 A US 178053A
- Authority
- US
- United States
- Prior art keywords
- bar
- crow
- nail
- foot
- improvement
- 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
Links
- 235000009967 Erodium cicutarium Nutrition 0.000 description 14
- 240000003759 Erodium cicutarium Species 0.000 description 14
- 210000003371 Toes Anatomy 0.000 description 14
- 210000000282 Nails Anatomy 0.000 description 8
- 210000001699 lower leg Anatomy 0.000 description 6
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C11/00—Nail, spike, and staple extractors
Definitions
- This invention relates more especially to that kind of crow-bars which are used for extracting railroad-spikes or large nails; and it consists in the combination of a crow-foot with a bar having a toe formed on it, said crow-foot being attached to the lower end of the bar by means of a swivel, While the toe is formed on the bar near the swivel.
- Figure 1 is a plan of a crow-bar constructed according to my invention.
- Fig. 2 is a side view of the same, partly in section, and-showin g the toe in two positions.
- A is the bar, the upper end of which is formed in the-ordinary way,w' h'ile its lower end is bored out longitudinally a certain depth, to receive the shank of the crow-foot B.
- the shank D formed at one end of said crow-foot, is made to fit the hole in the lower end of the bar A, so that the former can turn freely within the bar.
- a pin, a is passed, transversely through the bar, so that said pin will enter a circular groove, 1), made around the shank D.
- the other end of the crow-foot is made in the ordinary form.
- E is the toe formed near the lower end of the bar, projecting from the latter at an angle, and is. made for the purpose of serving as a fulcrum for a lever of the first order.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medicines Containing Plant Substances (AREA)
Description
M. H. FRANK.
NAIL-EXTRACTOR.
No.178,053.' Patented ma 30,1876.
Fly-2.
I a (6% I Nv PETERS, PHOTO-LITHOGRAPHER, WASHINGTON D C UNITED STATES- PATENT OFFICE.
MARTIN H. FRANK, OF JERSEY CITY, J ASSIGNOR OF PART OF HIS RIGHT TO TIMOTHY MULGAHY AND EDWARD OBRIEN, OF SAME PLACE.
IMPROVEMENT IN NAIL-EXTRACTO RS.
Specification forming part of Letters Patent No. 178,053, dated May 30, 1876; application filed April 3, 1876.
To all whom it may concern: 7
Be it known that I, MARTIN H. FRANK, of Jersey City, 'in the county of Hudson and State of New Jersey, have invented a certain Improvement in Grow-Bars, of which the following is a specification:
y This invention relates more especially to that kind of crow-bars which are used for extracting railroad-spikes or large nails; and it consists in the combination of a crow-foot with a bar having a toe formed on it, said crow-foot being attached to the lower end of the bar by means of a swivel, While the toe is formed on the bar near the swivel.
Figure 1 is a plan of a crow-bar constructed according to my invention. Fig. 2 is a side view of the same, partly in section, and-showin g the toe in two positions.
A is the bar, the upper end of which is formed in the-ordinary way,w' h'ile its lower end is bored out longitudinally a certain depth, to receive the shank of the crow-foot B. The shank D, formed at one end of said crow-foot, is made to fit the hole in the lower end of the bar A, so that the former can turn freely within the bar. Tou keep the crow-foot from coming out of the bar, a pin, a, is passed, transversely through the bar, so that said pin will enter a circular groove, 1), made around the shank D. The other end of the crow-foot is made in the ordinary form. E is the toe formed near the lower end of the bar, projecting from the latter at an angle, and is. made for the purpose of serving as a fulcrum for a lever of the first order.
The operation of extracting spikes or large nails'by a crow-bar thus constructed is as follows: The crow-foot is first passed under the head of the spike or nail, while the bar is in a position that the toe E projects upward, as
shown in full lines in both figures, tillthe spike or nail is started, when the bar is turned I so that the toe E projects downward, as shown in dotted lines in Fig 2, thus forming a fulcrow-foot B, of the bar A and toe E, substantially as and for the purpose herein described.
, MARTIN H. FRANK.
Witnesses:
ALBERT F. SGHLEGEL, CHARLES STIEE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US178053A true US178053A (en) | 1876-05-30 |
Family
ID=2247460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US178053D Expired - Lifetime US178053A (en) | Improvement in nail-extractors |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US178053A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050051001A1 (en) * | 2003-09-04 | 2005-03-10 | Bond William Ralph | Crowbar tool |
| US20110072592A1 (en) * | 2009-09-29 | 2011-03-31 | Toth John K | Auto body tool |
| USD756725S1 (en) * | 2014-04-29 | 2016-05-24 | The Prong Company Pty Ltd | Lever spear |
-
0
- US US178053D patent/US178053A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050051001A1 (en) * | 2003-09-04 | 2005-03-10 | Bond William Ralph | Crowbar tool |
| US6920807B2 (en) | 2003-09-04 | 2005-07-26 | William Ralph Bond | Crowbar tool |
| US20110072592A1 (en) * | 2009-09-29 | 2011-03-31 | Toth John K | Auto body tool |
| USD756725S1 (en) * | 2014-04-29 | 2016-05-24 | The Prong Company Pty Ltd | Lever spear |
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