Buckle for connecting strap and respirator harness including the same
Assignee3M Innovative Properties Company
InventorJungchul Moon
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a buckle for connecting a strap and a respirator harness including the same. In particular, according to one aspect of the present disclosure, a buckle for connecting a strap including a coupler configured to extend from one position, a strap connector at which a strap connecting hole is formed, wherein the strap connecting hole is connected to a strap which is connected to a mask body, and a hooking portion connected to the one position and including a surface configured to face the coupler, wherein a tap of a helmet or a tap of a head cradle is accommodated between the coupler and the hooking portion so that a position thereof is fixed, and a respirator harness including the same are provided.
Claims18
A mask assembly, comprising:
- a strap;
- a mask body connected to the strap;
- and
- a buckle comprising:
- a coupler configured to extend from one position wherein a coupling depression is formed at the coupler to be concave from an outward end part thereof and wherein the coupler includes a surface configured to face a hooking portion and formed to be inclined so as to gradually reduce a cross sectional area of the surface in a first direction;
- a strap connector at which a strap connecting hole is formed, wherein the strap connecting hole is connected to the strap;
- and
- the hooking portion connected to the one position and including a surface configured to face the coupler,
- wherein a tap of a helmet or a tap of a head cradle is accommodated between the coupler and the hooking portion so that a position thereof is fixed.
A mask assembly, comprising:
- a strap;
- a mask body connected to the strap;
- and
- a buckle comprising:
- a coupler configured to extend from one position;
- a strap connector at which a strap connecting hole is formed, wherein the strap connecting hole is connected to the strap and wherein the strap connector includes:
- a fixing flap connected to one side wall of the strap connecting hole,
- wherein a stepped portion with which an end part of the fixing flap selectively comes into contact is formed to protrude at the other side wall of the strap connecting hole;
- and
- a hooking portion connected to the one position and including a surface configured to face the coupler,
- wherein a tap of a helmet or a tap of a head cradle is accommodated between the coupler and the hooking portion so that a position thereof is fixed.
A mask assembly, comprising:
- a strap;
- a mask body connected to the strap;
- and
- a buckle comprising:
- a main body of a cylindrical shape;
- a coupler configured to extend from one position;
- a strap connector at which a strap connecting hole is formed, wherein the strap connecting hole is connected to the strap;
- and
- a hooking portion connected to the one position and including a surface configured to face the coupler, wherein the coupler and the hooking portion are formed to protrude from the main body, and the strap connector is provided as a member separated from the main body,
- wherein a tap of a helmet or a tap of a head cradle is accommodated between the coupler and the hooking portion so that a position thereof is fixed.
Dependencies are inferred from the claim text.