US149246A - Improvement in vault-covers - Google Patents
Improvement in vault-covers Download PDFInfo
- Publication number
- US149246A US149246A US149246DA US149246A US 149246 A US149246 A US 149246A US 149246D A US149246D A US 149246DA US 149246 A US149246 A US 149246A
- Authority
- US
- United States
- Prior art keywords
- vault
- shell
- covers
- improvement
- cover
- 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
- 230000000875 corresponding Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 240000002027 Ficus elastica Species 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
Definitions
- Figure l is a perspective view of' a vault-cover with a portion of the outer shell broken away to 'show the elastic filling-block.
- Fig. 2 is a section of a vault- A cover provided with a llingblock extending ⁇ to the base of the cover.
- the shell or frame A forming the body of the vault-cover, is cast of metal in one piece, and while it may be of any desired form or configuration, it is preferably made of a cy lindrical form.
- the shell is cast with an internal circumferential rib, B, forming a corre sponding external groove or depression, C, and above said rib the shell is flared outward to the rim D to form a supporting-shoulder, E, for the filling-block F.
- the latter is made of india-rubber, and is of a diameter somewhat larger than the internal diameter of the shell A, so that when it is forcibly inserted into the same it will be compressed to enter the shell, and then the elasticity of the rubber causes it to expand or spring outward under the circumA ferential rib, and to otherwise fill the entire, or nearly the entire, internal space of the shell, as shown in Figs. l and 2, thus securing the filling-block in position without the aid ot' other fastening devices.
- the portion of the filling-block which is located above the rib B is made larger in diameter than the remainder of the block, and is beveled to a suitable cxtent to rest upon the corresponding flared or beveled mouth or supporting shoulder E below the rim D.
- the upper surface of the elastic iilling-block is made Hush with the top edge of the rim D, or it may extend slightly above the same, as Amay be desired.
- the shell or casing of the cover when constructed with an internal rib and flared or beveled rim portion, subserves the double function of retaining the elastic filling-block, and of supporting the cover in its receiving-frame.
- An elastic rubber filling substantially a; described, in combination with a metallic shell, to form a ⁇ vault-cover, as specified.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Adornments (AREA)
Description
l. PRICE & l. E. MURPHY.
Vault-Covers.
' Pat-ented-March31,1874.
UNITED STATES PATENT OFFICE.
J'OHN PRICE AND JOHN E. MURPHY, OF NEYV YORK, N. Y.
IMPROVEMENT IN VAULT-COVERS.
Specification forming part of Letters Patent No. 149,246, dated March'Sl, 1874; application tiled February 24, 1874.
To all whom t may concern Be it known that we, J oHN PRICE and JOHN E. MURPHY, of New York, in the county of New York and State of New York, have invented certain new and useful Improvement-s in Vault-Covers, of which the following is a speciication erally and be secured firmly in position.
In the drawings, Figure l is a perspective view of' a vault-cover with a portion of the outer shell broken away to 'show the elastic filling-block. Fig. 2 is a section of a vault- A cover provided with a llingblock extending `to the base of the cover.
The shell or frame A, forming the body of the vault-cover, is cast of metal in one piece, and while it may be of any desired form or configuration, it is preferably made of a cy lindrical form. The shell is cast with an internal circumferential rib, B, forming a corre sponding external groove or depression, C, and above said rib the shell is flared outward to the rim D to form a supporting-shoulder, E, for the filling-block F. The latter is made of india-rubber, and is of a diameter somewhat larger than the internal diameter of the shell A, so that when it is forcibly inserted into the same it will be compressed to enter the shell, and then the elasticity of the rubber causes it to expand or spring outward under the circumA ferential rib, and to otherwise fill the entire, or nearly the entire, internal space of the shell, as shown in Figs. l and 2, thus securing the filling-block in position without the aid ot' other fastening devices. The portion of the filling-block which is located above the rib B is made larger in diameter than the remainder of the block, and is beveled to a suitable cxtent to rest upon the corresponding flared or beveled mouth or supporting shoulder E below the rim D. The upper surface of the elastic iilling-block is made Hush with the top edge of the rim D, or it may extend slightly above the same, as Amay be desired. The shell or casing of the cover, when constructed with an internal rib and flared or beveled rim portion, subserves the double function of retaining the elastic filling-block, and of supporting the cover in its receiving-frame.
In certain instances we also propose to construct the shell of the cover of sheet or plate metal, which is spun or struck up into shape.
le are aware that liangcs have been `arranged on the interior of the shells of vaultcovers for the purpose of holding cement in the shell when molded and set therein, and such we disclaim, as it is not our invention.
le claim- An elastic rubber filling, substantially a; described, in combination with a metallic shell, to form a `vault-cover, as specified.
In testimony that we claim the bregoing we have hereunto set our hands this 20th day of February, 1874.
JOHN PRICE.
JOHN E. MURPHY.
YVitnesses PETER J. GARRY, WM. WAGNER.
Publications (1)
Publication Number | Publication Date |
---|---|
US149246A true US149246A (en) | 1874-03-31 |
Family
ID=2218659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US149246D Expired - Lifetime US149246A (en) | Improvement in vault-covers |
Country Status (1)
Country | Link |
---|---|
US (1) | US149246A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877696A (en) * | 1953-06-09 | 1959-03-17 | Dover Eng Works Ltd | Manhole covers and frames |
US5052851A (en) * | 1990-06-21 | 1991-10-01 | Frishauf Stephen H | Emergency maintenance hole cover, and method of installation |
US20050115157A1 (en) * | 2002-02-14 | 2005-06-02 | Hinode, Ltd | Lid assembly for facility access opening |
US20080296945A1 (en) * | 2007-06-01 | 2008-12-04 | Bedford Adam C | Seating unit with adjustable lumbar device |
US20130011194A1 (en) * | 2011-07-06 | 2013-01-10 | Thomas Lorenz Industrietechnik GmbH/Co. KG | Manhole cover optimized for manufacturing |
-
0
- US US149246D patent/US149246A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877696A (en) * | 1953-06-09 | 1959-03-17 | Dover Eng Works Ltd | Manhole covers and frames |
US5052851A (en) * | 1990-06-21 | 1991-10-01 | Frishauf Stephen H | Emergency maintenance hole cover, and method of installation |
US20050115157A1 (en) * | 2002-02-14 | 2005-06-02 | Hinode, Ltd | Lid assembly for facility access opening |
US6953301B2 (en) * | 2002-02-14 | 2005-10-11 | Hinode, Ltd. | Lid assembly for facility access opening |
US20080296945A1 (en) * | 2007-06-01 | 2008-12-04 | Bedford Adam C | Seating unit with adjustable lumbar device |
US20130011194A1 (en) * | 2011-07-06 | 2013-01-10 | Thomas Lorenz Industrietechnik GmbH/Co. KG | Manhole cover optimized for manufacturing |
US8454263B2 (en) * | 2011-07-06 | 2013-06-04 | Thomas Lorenz Industrie Technik GmbH/Co. KG | Production-optimized manhole cover |
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