B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
B07B 1/48 (2006.01)
Patent
CA 2052816
ABSTRACT OF THE DISCLOSURE In combination a unique design of inflatable bladder screen tensioning device, a plurality of securing pins, and a plurality of cotters. The inflatable bladder is positioned between a first elongate plate and a second elongate plate such that as the bladder is inflated the first elongate plate and the second elongate plate are forced apart. A plurality of openings extend through the first elongate plate, the inflatable bladder and the second elongate plate. The securing pins are of such a length that they can extend transversely through a screen engaging clamp, a screen retaining frame and thereafter through the openings in the first elongate plate, the inflatable bladder and the second elongate plate. Each of the securing pins is comprised of a shaft having a first end and a second end. A head is positioned at the first end such that the head engages screen engaging means. A transverse opening is positioned at the second end. The plurality of cotters each have a body portion which is adapted to extend through the transverse openings in the securing pins, and a head portion which will not pass through the transverse opening.
Gunderson Lawrence
Thompson Lambert Llp
LandOfFree
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