Patent · US Active

Three point lock

US10138658B2 · kind B2 · utility

6Cited by
15References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 3, 2016
Grant dateNov 27, 2018
Priority date
Expiry dateFeb 9, 2037

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05C2007/007
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A fenestration assembly includes a frame assembly, a movable sash assembly and a lock assembly. The lock assembly includes a first lock and a second side lock. The first lock operatively locks and unlocks the moveable sash to the frame assembly in a first direction only when the movable sash is in a fully closed position. The first side lock operatively locks and unlocks the movable sash in a second direction perpendicular to the first direction both when the movable sash is in the fully closed position and a partially open position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.