Patent ID: 6665983
Filing Date: 2003-12-23
Classification: E05B,Y10T

Abstract:
A lockable sliding window apparatus, comprising:a window frame; first and second window units mounted in said window frame, at least said first window unit being mounted in said window frame for horizontal sliding movement between open and closed configurations, said first and second window units including respective first and second secondary frames in which respective window panels are mounted; wherein said first secondary frame includes a first vertical frame member having a male configuration and said second secondary frame includes a second vertical frame member having a female configuration with inner and outer segments for receiving said first vertical frame member at said closed configuration; wherein said first vertical frame member and said inner an outer segments of said second vertical frame member define corresponding through-holes; a locking assembly having a primary lock housing fixedly attached to said outer segment of said second vertical frame member and a secondary lock housing fixedly attached to said inner segment of said second vertical frame member, said locking assembly further comprising: a dial pin positioned in said primary lock housing; a plurality of combination dials mounted in said primary lock housing for rotation about said dial pin, each combination dial defining a ball pocket; a plurality of dial balls situated between respective combination dials and said dial pin, each dial ball being capable of movement into a corresponding ball pocket when rotatably aligned; a lock pin positioned in said primary lock housing perpendicular to said dial pin and aligned with said first segment through-hole, said lock pin being outwardly spring-biased and horizontally slidable in said primary housing, said lock pin defining a lock pin recess; a lock ball situated between said lock pin and an end of said dial pin, said dial pin being spring-biased for urging said lock ball into said lock pin recess; a window pin positioned in said secondary lock housing and aligned with said second segment through-hole, said window pin being inwardly spring-biased and horizontally slidable in said secondary lock housing; whereby said lock ball engages said lock pin recess and prevents movement thereof when said combination dials are in a locked configuration and said lock pin may be depressed for urging said window pin outwardly when said combination dials are in an unlocked configuration.