US2008028688A1PendingUtilityA1

Lid for a Shaft Cover and Shaft Cover

Assignee: HYDROTEC TECHNOLOGIES GMBH & CPriority: Oct 9, 2003Filed: Sep 13, 2004Published: Feb 7, 2008
Est. expiryOct 9, 2023(expired)· nominal 20-yr term from priority
Inventors:Wilfried Neuber
E02D 29/1427
15
PatentIndex Score
0
Cited by
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References
0
Claims

Abstract

The invention relates to a lid for a shaft cover, comprising a cover body ( 12 ) and at least one locking means ( 20 ) arranged on the body of the lid ( 12 ), said locking means comprising a spring section ( 21 - 24 ) and an engaging section ( 26 ) which can be placed into contact with one part ( 36 ) of the frame ( 30 ) and arranged thereon. The invention is characterised in that the spring section ( 21 - 24 ) is respectively secured by both ends thereof to the body of the lid ( 12 ), is separated from the body of the lid ( 12 ) and the engaging section ( 26 ) is arranged between the two ends of the spring section ( 21 - 24 ).

Claims

exact text as granted — not AI-modified
1 . Cover for a manhole top with a cover body ( 12 ) and with at least one locking means ( 20 ) arranged on the cover body ( 12 ), said locking means having a spring section ( 21  through  24 ) and, arranged thereon, an engagement section ( 26 ) that can be brought into engagement with a part ( 36 ) of a frame ( 30 ),
 characterized in that the spring section ( 21  through  24 ) is attached by each of its two ends to the cover body ( 12 ) and is otherwise separated from the cover body ( 12 ), and the engagement section ( 26 ) is arranged between the two ends of the spring section ( 21  through  24 ).   
   
   
       2 . Cover according to  claim 1 ,
 characterized in that the spring section ( 21  through  24 ) extends approximately parallel to the cover body ( 12 ).   
   
   
       3 . Cover according to  claim 1  or  2 ,
 characterized in that the spring section is designed as an annular body ( 21  through  24 ), which is attached to the cover body ( 12 ) by a retaining section ( 25 ) that essentially joins the two ends of the spring section.   
   
   
       4 . Cover according to  claim 3 ,
 characterized in that the annular body has the approximate shape of a circle.   
   
   
       5 . Cover according to  claim 4 ,
 characterized in that the engagement section is arranged at a location essentially diametrically opposite the retaining section.   
   
   
       6 . Cover according to  claim 3 ,
 characterized in that the annular body ( 21  through  24 ) has the approximate shape of an oval with two, preferably semicircular, curved sections ( 21 ,  22 ) and two essentially elongated sections ( 23 ,  24 ) connecting these two curved sections ( 21 ,  22 ) to one another.   
   
   
       7 . Cover according to  claim 6 ,
 characterized in that the retaining section ( 25 ) is located on one elongated section ( 24 ), and the engagement section ( 26 ) is located on the other elongated section ( 23 ).   
   
   
       8 . Cover according to  claim 7 ,
 characterized in that the elongated section ( 23 ) bearing the engagement section ( 26 ) is recessed relative to the ends of the curved sections ( 21 ,  22 ) that are connected by this elongated section ( 23 ).   
   
   
       9 . Cover according to at least one of the preceding claims,
 characterized in that the engagement section ( 26 ) has a wedge-shaped detent section.   
   
   
       10 . Cover according to at least one of the preceding claims,
 characterized in that the locking means ( 20 ) is located on the underside of the cover body ( 12 ).   
   
   
       11 . Cover according to at least one of the preceding claims, in which the cover ( 10 ) is provided with stiffening ribs ( 16 ), characterized in that the locking means ( 20 ) are located a distance apart from the stiffening ribs ( 16 ) on the cover body ( 12 ). 
   
   
       12 . Manhole top with a cover ( 10 ) according to at least one of the preceding claims and with a frame ( 30 ) for accommodating the cover ( 10 ).

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