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公开(公告)号：US09303441B2
公开(公告)日：2016-04-05
申请号：US14180693
申请日：2014-02-14
CPC分类号： E05F1/1058 , E05Y2900/612
摘要： The invention described herein relates to a utility vault door, or access door, positionable between closed, partially opened, and fully opened orientations and including at least one compression spring lift-assist mechanism for countering the weight of the vault door when positioning between the various orientations. The door may be selectively locked in the partially opened orientation and opened sufficiently for the convenient ingress and egress of large equipment therethrough.
摘要翻译： 本文所述的本发明涉及一种可用于保险柜门或通道门，其可定位在关闭的，部分打开的和完全打开的方向之间，并且包括至少一个压缩弹簧提升辅助机构，用于当定位在各种 方位。 门可以被选择性地锁定在部分打开的方向上并且被充分地打开以便于通过其中的大型设备的方便的进出。
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公开(公告)号：US20150218773A1
公开(公告)日：2015-08-06
申请号：US14180693
申请日：2014-02-14
CPC分类号： E05F1/1058 , E05Y2900/612
摘要： The invention described herein relates to a utility vault door, or access door, positionable between closed, partially opened, and fully opened orientations and including at least one compression spring lift-assist mechanism for countering the weight of the vault door when positioning between the various orientations. The door may be selectively locked in the partially opened orientation and opened sufficiently for the convenient ingress and egress of large equipment therethrough.
摘要翻译： 本文所述的本发明涉及一种可用于保险柜门或通道门，其可定位在关闭的，部分打开的和完全打开的方向之间，并且包括至少一个压缩弹簧提升辅助机构，用于当定位在各种 方位。 门可以被选择性地锁定在部分打开的方向上并且被充分地打开以便于通过其中的大型设备的方便的进出。
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