US91853A - William p - Google Patents
William p Download PDFInfo
- Publication number
- US91853A US91853A US91853DA US91853A US 91853 A US91853 A US 91853A US 91853D A US91853D A US 91853DA US 91853 A US91853 A US 91853A
- Authority
- US
- United States
- Prior art keywords
- bill
- wood
- straight
- outer side
- concave
- 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
- 239000002023 wood Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 101700082413 tant Proteins 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/12—Load carriers, e.g. hooks, slings, harness, gloves, modified for load carrying
Definitions
- This hookl differs from ordinary hooks only in the shape of the bill a, which is made concave on its inner side, as seen at a', and straight on its outer side, as seen at fd.
- the lbills of cant-hooks have been made in 'two general classes of shapes, viz, either straight on both sides, tapering from the point to the stock l, and formingan angle therewith at the point of junetion, or concave on the innerv side, and convex on the outer side.
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Description
ing description.
N tuited tant stent jijiw.
Letters Patent No. 91,853, dated June 29, 1869.
The Schedule referred to in' these Letters Patent and making part of the same.
To all whom it rmay concern- Beitknown that I ,WILLIAM P. KILGORE, of Hampden, in the State of Maine, -have invented a new and useful Improvement in Gant-Hooks; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accom panying drawings, and letters of reference marked thereon, making a part of this speciiicatiou, in which- Figure 1 isa plan view.` This invention consists in making the bill of acanthook straight on its outer side, and concave on its inner side, for purposes fully explained iu the follow- 'lo enable those skilled in the art to make and use my invention, I now proceed to desclibe its construction and operation.
Similar letters in the drawings refer to like parts. Y In the drawings- A represents a cant-hook, which, when lin use, is pivoted to a'woodeu bar, in a manner and forpurposes well known to lumbermen.
This hookl differs from ordinary hooks only in the shape of the bill a, which is made concave on its inner side, as seen at a', and straight on its outer side, as seen at fd. Heretoi'ore the lbills of cant-hooks have been made in 'two general classes of shapes, viz, either straight on both sides, tapering from the point to the stock l, and formingan angle therewith at the point of junetion, or concave on the innerv side, and convex on the outer side. v
rEhe objection to the former species of bill is that it does not'readily quit its hold of the log when desil-ed, its forni allowing itself to bury itself in the wood.-
olearto the stock.
This diiiiculty has been attempted to be remedied by the second class of bills mentioned, examples of the convexity of the outer side of the bill neutralizes all lthe good effects that might otherwise have .resulted from .the concavity of the inner side, for the reason that such convexity hinders the billl inA entering the log, and prevents its getting a good hold, except by an unusual and objectionable outlay of strength.
Furthermore, it'is found that owing to such convexity, the bill-swerves from a straight line for the actual distance that it does enter the wood; or inclines to the wood, so that thc swell is in the way when the bill requires to be extricated, and renders it quite as difficult to cause this kind of bill to let go its hold as the other kind.
Now my bili remedies the defects of both the abovedescribed sorts.
By reason of the straig-htncss of its outer side, the
billenters the wood with sufficient readiness and in a right line; and, by reason of the concavity of the inner side, the wood is concentrated and compressed under the bill to such a degree, that no matter howdeeply it may bury itself,l (though, in fact, it cannot bury itself very deeply,) it may be taken out with the greatest ease, owing to the reactionary force of the wood, which is exerted upon the concave "sideat all points; and, by reason ofthe conjunction of theconcave inner side, and straight outer side,the hill so enters the wood that none of its parts are in the way of its extrioation.
.- I am aware of the patent of Edward Jewett for a cant-hook, dated September 17, 1867,-aud41 disclaim: .altogether hisdevice.
What I-claim as new, and desire to secure by Letters Patent, isi I A cant-hook, with a bill, concave on its inner side,
land straight on i'touter side, substantially as described.
' WM. P. KILGORE.
Witnesses.:
DANIEL SMITH, J r., NATHAN L. PERKINS.
Publications (1)
Publication Number | Publication Date |
---|---|
US91853A true US91853A (en) | 1869-06-29 |
Family
ID=2161331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US91853D Expired - Lifetime US91853A (en) | William p |
Country Status (1)
Country | Link |
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US (1) | US91853A (en) |
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0
- US US91853D patent/US91853A/en not_active Expired - Lifetime
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