发明名称 |
Spring adjusting device for a door actuating device |
摘要 |
A door actuating device, including a housing, at least one drive unit which is disposed in the housing and can be coupled to a door leaf, and at least one spring energy accumulator, which is in operative connection with the drive unit, and which includes a spring disposed therein under spring pretension, wherein the spring pretension of the spring is realized by means of a spring adjusting device, which includes at least one screwed sealing plug, which can be connected to the housing, and an adjusting nut, where a cylinder is configured at the screwed sealing plug and oriented towards the spring, at which cylinder the adjusting nut is linearly guided, where a setting element which is guided by means of the screwed sealing plug and, at least in sections, can be brought non-positively and positively into engagement with the cylinder, and which bears against the adjusting nut, serves for adjusting the spring pretension. |
申请公布号 |
US2015128378(A1) |
申请公布日期 |
2015.05.14 |
申请号 |
US201414538080 |
申请日期 |
2014.11.11 |
申请人 |
DORMA Deutschland GmbH |
发明人 |
HELLWIG Alexander |
分类号 |
E05F1/10 |
主分类号 |
E05F1/10 |
代理机构 |
|
代理人 |
|
主权项 |
1. A door operating device, comprising a housing, at least one drive unit which is disposed in the housing and can be coupled to a door leaf, and at least one spring energy accumulator, which is in operative connection with the drive unit, and which includes a spring disposed therein under spring pretension, wherein the spring pretension of the spring is realized by means of a spring adjusting device, which comprises at least one screwed sealing plug, which can be connected to the housing, and an adjusting nut, wherein a cylinder is configured at the screwed sealing plug and oriented towards the spring, at which cylinder the adjusting nut is linearly guided, wherein a setting element, which is guided by means of the screwed sealing plug and, at least in sections, can be brought into a non-positive and positive engagement with the cylinder, and which bears against the adjusting nut, serves to adjust the spring pretension. |
地址 |
Ennepetal DE |