Pulling element for pulling a closing element out of a filter of an escape filter device, escape filter devices, escape filter device system and method for mounting an escape filter device system

Patent metadata

Field	Value
Publication number	US-10441829-B2
Application number	US-201414781670-A
Country	US
Kind code	B2
Filing date	Feb 15, 2014
Priority date	Apr 2, 2013
Publication date	Oct 15, 2019
Grant date	Oct 15, 2019

Abstract

A pulling element is provided for automatically pulling a closing element out of a filter of an escape filter device. An escape filter device is also provided that has a hood and a filter integrated into the hood, with at least one such pulling element. An escape filter device system is also provided having such an escape filter device and a device shell. A method is provided for mounting an escape filter device system.

First claim

The invention claimed is:

1. A pulling element for pulling a closing element out of a filter of an escape filter device, which is arranged in a device shell in a resting position with a resting distance to the device shell, wherein the escape filter device is moveable into a removal position with an increased removal distance to the resting distance, the pulling element comprising:
a first fastening section for fastening the pulling element to the closing element; and
a second fastening section for fastening on an inner side of the device shell, wherein the two fastening sections have a fastening distance to one another, which is smaller than or equal to the removal distance.

2. A pulling element in accordance with claim 1 , wherein the pulling element is inflexible.

3. A pulling element in accordance with claim 1 , wherein the pulling element is flexible.

4. A pulling element in accordance with claim 1 , wherein at least one of the first fastening section and the second fastening section comprises a snap-in element.

5. A pulling element in accordance with claim 1 , wherein at least one of the first fastening section and the second fastening section comprises flexible barbs.

6. A pulling element in accordance with claim 1 , further comprising a stopping element between the first fastening section and the second fastening section.

7. A pulling element in accordance with claim 1 , further comprising at least one of a mounting control element and a gripping element at one end of the pulling element.

8. An escape filter device comprising:
a hood;
a filter, which has a filter inlet side and a filter outlet side, integrated into the hood;
a closing element; and
a pulling element for pulling out the closing element from the filter, wherein the filter inlet side or the filter outlet side is closed in a gas-tight manner by means of the closing element and the pulling element is arranged on the closing element, the escape filter device is arranged in a device shell in a resting position with a resting distance to the device shell, and the escape filter device is moveable into a removal position with an increased removal distance to the resting distance, the pulling element comprising:
a first fastening section for fastening the pulling element to the closing element; and
a second fastening section for fastening on an inner side of the device shell, wherein the two fastening sections have a fastening distance to one another, which is smaller than or equal to the removal distance.

9. An escape filter device in accordance with claim 8 , wherein the closing element is a first closing element that closes the filter inlet side and the pulling element is a first pulling element and further comprising:
a second closing element closing the filter outlet side; and
a second pulling element for pulling out the second closing element from the filter, the second pulling element being arranged on the second closing element, the second pulling element comprising a second pulling element first fastening section for fastening the second pulling element to the second closing element and a second pulling element second fastening section for fastening the second pulling element on an inner side of the device shell, a distance from the second pulling element first fastening section to the second pulling element second fastening section being smaller than or equal to the removal distance.

10. An escape filter device system, comprising:
a device shell having a first inner side and a second inner side;
an escape filter device comprising:
a hood;
a filter, which has a filter inlet side and a filter outlet side, integrated into the hood;
a closing element; and
a pulling element for pulling out the closing element from the filter, wherein the filter inlet side or the filter outlet side is closed in a gas-tight manner by means of the closing element and, the pulling element comprises a first fastening section for fastening the pulling element to the closing element and a second fastening section, wherein the two fastening sections have a fastening distance to one another, which is smaller than or equal to a removal distance between the device shell and the escape filter device; and
a pulling element holding device, wherein:
the escape filter device is arrangeable in a resting position in the device shell and the device shell is openable for transferring the escape filter device into a removal position; and
the pulling element holding device is arranged on one of the first inner side and the second inner side of the device shell for fastening the second fastening section of the pulling element to the pulling element holding device, wherein the pulling element and the pulling element holding device are configured and are coordinated with one another such that the closing element is automatically pulled out of the filter during the opening of the device shell upon reaching the removal distance between the device shell and the escape filter device.

11. An escape filter device system in accordance with claim 10 , wherein the device shell has a device shell bottom portion with the first inner side and a device shell top portion with the second inner side, which top portion and bottom portion are pivotably connected to one another.

12. An escape filter device system in accordance with claim 11 , wherein the device shell bottom side and the device shell top side are designed as hard components.

13. An escape filter device system in accordance with claim 12 , further comprising a spring element arranged to press against the device shell bottom portion and the device shell top portion with the device shell being closed.

14. An escape filter device system in accordance with claim 11 , wherein the device shell has a closing element for closing and opening the device shell bottom portion and the device shell top portion.

15. An escape filter device system in accordance with claim 10 , further comprising a guide on the inner side of the device shell for guiding the pulling element.

16. An escape filter device system in accordance with claim 10 , further comprising a retaining device for retaining the escape filter device.

17. An escape filter device system in accordance with claim 10 , wherein:
the closing element is a closing element that closes the filter inlet side and the pulling element is a first pulling element;
the pulling element holding device is a first pulling element holding device;
the escape filter device further comprises: a second closing element closing the filter outlet side; and a second pulling element for pulling out the second closing element from the filter;
the escape filter device system further comprises a second pulling element holding device;
the second pulling element holding device is arranged on the other of the first inner side and the second inner side;
the second pulling element comprises a second pulling element first fastening section for fastening the second pulling element to the second closing element; and a second pulling element second fastening section for fastening the second pulling element to the second pulling element holding device, wherein the two second pulling element fastening sections have a fastening distance to one another, which is smaller than or equal to the removal distance between the device shell and the escape filter device, whereby the second pulling element and the second pulling element holding device are configured and are coordinated with one another such that the second closing element is automatically pulled out of the filter during the op

Assignees

• Draeger Safety Ag & Co Kgaa
• Vogt Simon
• Rosert Michael
• Mueller Ruediger
• Radicke Joachim

Inventors

• Vogt Simon
• Rosert Michael
• Müller Rüdiger
• Radicke Joachim

Classifications

• A62B25/00 Primary

  Devices for storing {or holding or carrying} respiratory or breathing apparatus · CPC title

• A62B7/10

  with filter elements · CPC title

• A62B17/04

  Hoods · CPC title

• B66F19/00

  Hoisting, lifting, hauling or pushing, not otherwise provided for · CPC title

• A62B23/00

  Filters for breathing-protection purposes (gas-filters in general B01D) · CPC title