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US 4,540,372 AGranted
Life preserver
OwnerLee E. Mauckinventor
Life of this patent
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OwnerLee E. Mauckinventor
Estimating the term…
A life preserver comprising a buoyant toroidal body having spaced yieldable strap members disposed within the body and accessible through the central opening of the body, a length of strap extending around the inner periphery of the toroidal body and operably connected with the yieldable strap members whereby the strap is maintained in a normal storage position substantially adjacent the inner periphery of the toroidal body, the strap having the opposite ends thereof extending radially outwardly beyond the outer periphery of the toroidal body and through a passageway for connection with a retrieving cable whereby the rope may be moved radially inwardly against the force of the yieldable strap members to snugly engage the body of a victim disposed within the interior or central opening of the toroidal body to facilitate rescue of the victim without assist from the victim himself.
A life preserver comprising a buoyant toroidal body, yieldable means disposed within the body and accessible from the inner periphery of the body, strap means encircling the inner periphery of the toroidal body and operably secured to the yieldable means whereby the strap means is maintained in a normal position in the proximity of the inner periphery of the body, radially extending passageway means provided in the body and having the opposite ends open to the inner and outer peripheries of the toroidal body, the strap means having outer ends extending slidably through the passageway means and terminating exteriorly of the body, and means engagable with the outer ends of the strap means for selectively drawing the strap means radially inwardly against the force of the yieldable means for secure engagement with a victim disposed within the interior of said toroidal body.
Dependencies are inferred from the claim text.