Locking device

• US 4,881,764 A
• Filed: 08/22/1988
• Issued: 11/21/1989
• Est. Priority Date: 08/27/1987
• Status: Expired due to Fees

• Current Assignee: Nifco Incorporated 184-1 Maioka-Cho Totsuka-Ku Yokohama-Shi Kanagawa-Ken Japan
• Original Assignee: Nifco Incorporated
• Inventors: Takahashi, Atsushi, Watari, Haruhiko
• Primary Examiner(s): Gall, Lloyd A.
• Application Number:
  US07/235,176
• Time in Patent Office: 456 Days
• Field of Search: 292/17, 292/91, 292/DIG. 4, 292/DIG. 38, 292/13, 292/76, 292/19, 292/20, 292/87, 403/71, 403/406.1
• US Class Current: 292/13
• CPC Class Codes: E05C 19/066 made of plastics, e.g. hook-and-loop type fastener
• CPC Class Codes: Y10S 292/38 Plastic latch parts
• CPC Class Codes: Y10S 403/14 Resilient cinch, locking-catch or retainer type
• CPC Class Codes: Y10T 292/0813 Swinging and spring arm
• CPC Class Codes: Y10T 292/0817 Spring arm
• CPC Class Codes: Y10T 292/088 Spring arm
• CPC Class Codes: Y10T 292/0907 Multiple head
• CPC Class Codes: Y10T 403/32155 Bearing component clamped to plate or side, e.g., bolted, etc.

Abstract

A locking device includes a striker and a latch. The striker projects from the back side of an openable wall which is hinged on a housing. The latch is secured to the edge of an opening of the housing so that it faces the striker for engaging with and holding the striker in a snap-engaged state when the openable wall is closed. The latch is rotatably mounted in the housing so that the rotation thereof follows the direction of insertion of the striker into the latch.

Claims

1. A locking device comprising a striker projecting from the back side of an openable wall hinged to a housing and a latch secured in a frontally inserted snap-fit engagement to the housing in a face-to-face relation to said striker for engaging with said striker and holding said striker in a snap-engaged state when said openable wall is closed, said latch including means for rotatably mounting said latch in said housing to be able to follow the direction of insertion of said striker into said latch, said means including resiliently flexible arm means snapped into engagement with a mounting portion on said housing as said arm means are inserted through a window in a front side of said housing, said arm means permitting pivotal movement of said latch relative to said housing during insertion of the striker into said latch.

2. The locking device according to claim 1, wherein said latch is substantially H-shaped and has a pair of first arm portions extending forwardly from a coupling portion and a pair of second arm portions extending rearwardly from said coupling portion, said second arm portions providing said resiliently flexible arm means serving to hold a mounting frame of said housing.

3. A locking device according to claim 2 wherein said latch is a single piece integrally formed of plastic.

4. The locking device according to claim 1, wherein said latch is substantially H-shaped and has a pair of first arm portions extending forwardly from a coupling portion and a pair of second arm portions extending rearwardly from said coupling portion, said first arm portions serving to hold said striker, said second arm portions providing said resilient flexible arm means serving to hold a mounting frame of said housing, a rearwardly protruding projection is formed between and generally parallel to said second arm portions for pivotally engaging a connecting portion of said mounting frame providing a pivotal fulcrum about which said latch rotates.