Patent ID: 11879281
Assignee: AMESBURY GROUP, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 4:
5. A sash interlock comprising:
a housing configured to mount to a side rail of a window sash and defining an interior cavity, wherein the interior cavity is open at a front face of the housing;
a locking member pivotably coupled to the housing at a pivot axis and disposed at least partially within the interior cavity, wherein the locking member comprises a locking surface and a front surface, and wherein the locking member also comprises a pair of tapered wings extending from the front face; and
at least one biasing member coupled to the locking member and disposed within the interior cavity, wherein the at least one biasing member is configured to bias the locking member towards an unlocked position relative to the front face of the housing, wherein in the unlocked position at least a portion of the front surface extends from the front face of the housing and the side rail of the window sash, wherein the locking member is pivotable in either direction around the pivot axis from the unlocked position, and wherein a pair of notches are defined in the housing at the front face sized and shaped to selectively receive at least a portion of the pair of tapered wings.