Flexure chain blank sheet for disk drive suspension
AssigneeNHK Spring Co., Ltd.
InventorsYukie YAMADA, Takumi KARASAWA
Life of this patent
Estimating the term…
Abstract
A flexure chain blank sheet includes a plurality of frame units. Each of the frame units includes a frame portion, and a plurality of flexure elements arranged within the frame portion. The frame portion includes lengthwise frames extending in a longitudinal direction of the flexure elements, and lateral frames extending in a width direction of the flexure elements. A slit that extends along the lateral frames, a connection portion, and recesses are formed between adjacent frame units. An opening width of the recesses is greater than an opening width of the slit. The connection portion includes a portion-to-be-cut which is to be cut by a cutter. The recesses allow insertion of the cutter.
Claims11
A flexure chain blank sheet for a disk drive suspension comprising a plurality of frame units, each of the frame units comprising:
- a frame portion made of a stainless steel plate;
- and
- a plurality of flexure elements arranged at a predetermined pitch within the frame portion, each of the flexure elements including a metal base formed of the stainless steel plate, and a conductive circuit portion formed on the metal base, wherein
- the frame portion includes a first lengthwise frame and a second lengthwise frame extending in a longitudinal direction of the flexure elements, and a first lateral frame and a second lateral frame extending in a width direction of the flexure elements, and
- the frame portion comprises:
- a slit which is formed between the first lateral frame of one of adjacent frame units and the second lateral frame of the other frame unit, and has a first opening width;
- a connection portion which connects between the first lateral frame of the one of the frame units and the second lateral frame of the other frame unit, and includes a portion-to-be-cut which is to be sheared by a cutter;
- and
- recesses which are formed on both sides of the connection portion, each have a second opening width greater than the first opening width, and allow the cutter to be inserted therein.
Dependencies are inferred from the claim text.