发明名称 |
Drainage channel with locking grate |
摘要 |
A slotted grate (2) is provided for being positioned in and covering the opening of the channel body (1) of a drainage channel. Anchor means are provided for detachably securing grate (2) to channel body (1) and include a bolt (4) rotatably mounted on grate (2) and having an end (14) extending into channel body (1). A locking strap (5) is carried transversely by bolt (4) for rotation within channel body (1) into and out of proximity to the walls (7, 7') of channel body (1). Locking blocks (8, 8') are carried by walls (7, 7') and secure locking strap (5) within locking blocks (8, 8') upon rotation of locking strap (5) in one direction, and permit detachment of locking strap (5) upon rotation of locking block (5) in the other direction. Therefore, grate (2) can be easily and quickly secured to or detached from channel body (1), as desired.
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申请公布号 |
US4630962(A) |
申请公布日期 |
1986.12.23 |
申请号 |
US19850766088 |
申请日期 |
1985.08.16 |
申请人 |
THOMANN, ROLAND;WITSCHI, HEINZ;BRINK, HEINZ-DEITER;AMANN, MARKUS |
发明人 |
THOMANN, ROLAND;WITSCHI, HEINZ;BRINK, HEINZ-DEITER;AMANN, MARKUS |
分类号 |
E01C11/22;(IPC1-7):E01F5/00 |
主分类号 |
E01C11/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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