Latching lever for printed circuit boards
AssigneeNorthern Telecom Limited
InventorsErnest C. Leung, Isaac R. Revah
Life of this patent
Estimating the term…
Abstract
An improved latching lever for use with a printed circuit board (PCB). The latching mechanism comprises a hooked portion flexibly connected to the body portion of the latching lever, an actuating member solidly connected to the hooked portion for moving the hooked portion relative to the body portion, and a stop portion, solidly connected to the body portion for limiting the movement of the actuating member. A stud carried by the PCB is engaged by the hooked portion of the lever to enable the lever to latch. Moving the actuating member to touch the stop portion disengages the hooked portion from the stud, thereby unlatching the lever, and leaving the lever free to pivot about its pivot point.
Claims9
A latching lever for use with an object for aiding the entry of said object into a mating apparatus, for securing said object in said mating apparatus, and for aiding the removal of said object from said mating apparatus, said latching lever characterized by:
- a body portion for pivotal connection to said object, about a pivot point;
- a hooked portion, flexibly mounted to said body portion, and projecting therefrom at the end of said body portion remote from said pivot point, for engaging a projection attached to said object;
- an actuating member, solidly connected to said hooked portion and protruding therefrom, for moving said hooked portion relative to said body portion, so as to selectively disengage said hooked portion from said projection;
- a stop portion, solidly connected to said body portion and protruding therefrom, located adjacent said actuating member, but spaced therefrom so as to provide a limit to the movement of said actuating member.
A latching lever for use with a piece of sheet material for aiding the entry of said piece into a mating apparatus, for securing said piece in said mating apparatus, and for aiding the removal of said piece from said mating apparatus, said latching lever characterized by:
- a body portion for pivotal connection to said object, about a pivot point;
- a hooked portion, flexibly mounted to said body portion, and projecting therefrom at the end of said body portion remote from said pivot point, for engaging a projection attached to said piece;
- an actuating member, solidly connected to said hooked portion and protruding therefrom, for moving said hooked portion relative to said body portion, so as to selectively disengage said hooked portion from said projection;
- a stop portion, solidly connected to said body portion and protruding therefrom, located adjacent said actuating member, but spaced therefrom so as to provide a limit to the movement of said actuating member;
- an arm portion protruding from said body portion, close to said pivot point, for engaging said mating apparatus during entry thereinto, for aiding said entry, and for blocking the removal of said piece until said lever is pivoted to an alternate position.
The combination of a printed circuit board (PCB) and a latching lever for use in aiding the entry of said PCB into a mating apparatus, for securing said PCB in said mating apparatus, and for aiding the removal of said PCB from said mating apparatus, said combination characterized by:
- a printed circuit board;
- at least one latching lever pivotally connected to said printed circuit board;
- at least one stud attached to said PCB, and protruding from both planar surfaces of said PCB, for engaging said lever, one stud for each said lever;
- said latching lever comprising:
- a body portion for pivotal connection to said PCB, about a pivot point;
- a hooked portion, flexibly mounted to said body portion, and projecting therefrom at the end of said body portion remote from said pivot point, for selectively engaging said stud;
- an actuating member, solidly connected to said hooked portion and protruding therefrom, for moving said hooked portion relative to said body portion, so as to selectively disengage said hooked portion from said stud;
- a first stop portion, solidly connected to said body portion and protruding therefrom, located adjacent said actuating member, but spaced therefrom so as to provide a limit to the movement of said actuating member;
- a second stop portion, solidly connected to said body portion and protruding therefrom, located adjacent said hooked portion, but spaced therefrom so as to provide a limit to the movement of said hooked portion;
- an arm portion protruding from said body portion, close to said pivot point, for engaging said mating apparatus during entry thereinto, for aiding said entry, and for blocking the removal of said piece until said lever is pivoted to an alternate position.
Dependencies are inferred from the claim text.