Personal protective equipment strap retaining devices
Assignee3M Innovative Properties Company
InventorsThomas J. Brace, William A. Mittelstadt, David M. Blomberg
Life of this patent
Estimating the term…
Abstract
A strap retaining device having an actuation arm that may engage a retaining tab is provided. In an exemplary embodiment, the strap retaining device includes a frame, a retention tab pivotally connected to the frame, and an actuation arm connected to the frame and having a first actuation element movable towards the retention tab from a neutral position to an actuated. The first actuation ramp is movable in a first plane to cause the retention tab to move in a second plane that is perpendicular to the first plane.
Claims26
A strap retaining device for a personal protection device, comprising:
- a frame;
- a retention tab pivotally connected to the frame;
- and
- a first actuation arm connected to the frame and comprising a first actuation element movable towards the retention tab;
- wherein the first actuation element is movable in a first plane from a neutral position to an actuated position in which the first actuation element causes the retention tab to move in a second plane that is substantially perpendicular to the first plane.
A harness assembly for a respirator, comprising:
- first and second strap retaining devices each including a frame, a retention tab pivotally connected to the frame, a strap channel and a first actuation arm connected to the frame and comprising a first actuation ramp movable in a first plane from a neutral position to an actuated position in which the first actuation ramp contacts a surface of the retention tab and causes the retention tab to move in a second plane that is perpendicular to the first plane;
- a first strap positioned in a strap channel of the first strap retainer about a portion of the frame of the first strap retainer;
- and
- a second strap positioned in a strap channel of the second strap retainer about a portion of the frame of the second strap retaining devices;
- wherein the first strap retaining device comprises a first attachment element and the second strap retaining device comprises a second attachment element and the first attachment element is attachable to the second attachment element.
Dependencies are inferred from the claim text.