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US 5,310,153 AGranted
Quick release washer for a shoring post
OwnerGeorge W. Jacksoninventor
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OwnerGeorge W. Jacksoninventor
Estimating the term…
A shoring post comprises a support post slidingly engaging a telescoping sleeve member and a screw device for incrementally adjusting the length of the shoring post. The telescoping member having a plurality of pairs of diametrically opposed holes spaced therealong. A pin member for inserting through a pair of the diametrically opposed holes of the telescoping member to releasably extend the shoring post. A quick release washer for quickly reducing an overall length of the shoring post. The washer comprising a ring portion having a pair of diametrically opposed cam lobes. The lobes having an inclined surface, a cradling surface and a stop. The washer is mounted between the pin and the support post. The washer has a load transfer position wherein the pin is cradled between the cradling surface and the stop surface and a quick release position whereby as the washer is rotated relative to the pin, the pin travels along the inclined surface reducing the overall length of the shoring post.
A shoring post comprising a support post slidingly engaging a telescoping sleeve member, a screw means for incrementally adjusting the length of said shoring post, said telescoping member having a plurality of pairs of diametrically opposed holes spaced therealong, a pin member for inserting through a pair of said diametrically opposed holes of said telescoping member to releasably extend said shoring post, wherein the improvement comprises a quick release washer for quickly reducing an overall length of said shoring post, said washer comprising a ring portion having a pair of diametrically opposed cam lobes, said lobes having an inclined surface and a cradling surface, said washer mounted between said pin and said support post, said washer is rotatable between a load transfer position wherein said pin is cradled on the cradling surface and a quick release position wherein as said washer is rotated relative to the pin, the pin travels along the inclined surface reducing the overall length of the shoring post.
A quick release washer for a shoring post, said shoring post comprising a support post slidingly engaging a telescoping sleeve member, a screw means for incrementally extending said shoring post, said telescoping member having a plurality of pairs of diametrically opposed holes spaced therealong, a pin member for inserting through a pair of said diametrically opposed holes of said telescoping member to releasably extend said shoring post, said washer comprising
Dependencies are inferred from the claim text.