Load cell

Details Load cell Load cell

G - Physics

01

G

73/70

G01G 3/14 (2006.01) G01L 1/22 (2006.01)

Patent

CA 1319275

ABSTRACT OF THE DISCLOSURE A compression type load cell (50) is provided for measuring a load (L) applied to an object (3). Cell (50) has a first end (7) adapted to receive load (L) thereupon and an opposite end (9) adapted to support cell (50) upon object (3) with end (7) adapted to direct load (L) axially along a central longitudinal axis (x) of cell (50). Cell (50) has a reduced section (8) having a first pair of bores (14,14') therethrough that are preferably oriented substantially transverse to axis (x) and are spaced-apart from each other substantially symmetrically on opposite sides of axis (x). Reduced section (8) has a second pair of bores (16,16') therethrough between bores (19,14') and end (9) that are preferably substantially transverse to axis (x) and respectively axially aligned with bores (14,14'). A pair of slots (19) and (19') extend from outside cell (50) and respectively preferably intersect bores (14,14') for their entire length and a channel (18) extends between and intersects bores (16) and (16') for their entire length providing section (8) with enhanced axial movement between bores (14,14') and (16,16') upon application of load (L) on cell (50) which is measured by strain sensing means mounted on load sensing surfaces (10,12) defined on opposite sides of section (8) between bores (14,14') and (16,16').

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