Back to results
US 4,059,871 AGranted
Clamping device with locking trigger arm
OwnerWilliam E. Swagerinventor
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
OwnerWilliam E. Swagerinventor
Estimating the term…
This invention relates to a clamping device slidably supported upon an elongated body such as a cable, bar, tube or the like, in a sliding cylinder of selected size to accommodate the elongated body, the device having a pivotally supported cam-like surface to lockingly engage and clamp the elongated body in fixed clamped position upon the elongated body, and includes means for locking the clamping cam out of engagement with the elongated body, whereby ascent of a climber allows the clamping device to be drawn upward or downward as the climber ascends or descends a ladder or the like holding the clamping cam disengaged but easily released from its locking means for quick clamping engagement of the elongated body by any quick pull, by misstep and for safe support of the climber in clamping engagement of said elongated body, rope or the like.
In a safety clamp, a housing for slidably mounting about an elongated body of the character of a rope, cable, bar, pipe or the like, and a clamping means for gripping said elongated body in clamped engagement thereon, said clamping means comprising a pivotally supported lever having one end extending outward thereof as a trigger arm for fastening to the body of the climber, whereby the safety device may be drawn slidingly upon said elongated body as the climber ascends or descends a ladder or the like near said elongated body, the inner end of said clamping means being shaped as a cam and adapted to grip said elongated body, firmly clamping thereagainst, and resilient means biasing sid cam and trigger arm into clamping engagement with said elongated body on its pivotal support, and latching means engaging said trigger arm in unclamped position, securing said trigger arm and cam out of clamping engagement with said elongated body to allow free sliding thereon in climbing movement of said climber.
A safety clamp for slidably mounting about an elongated body of the character of a rope, cable, bar, pipe or the like comprising housing members flared at one side to support and grip an elongated sleeve to slidingly receive the elongated body and having a channel open toward the center of the housing, said sleeve being supported between said housing members replaceably for selection of a sleeve to accommodate the diameter of the elongated body upon which it will slide, a pivot in said housing supporting a clamping means having one end cam-shaped and rotatable to bear against the surface of said elongated body in gripping engagement thereto, and the other end of said clamping means extending outward of said housing as a trigger arm for fastening to the body of a climber, means for resiliently biasing said cam-shaped surface on its pivot into biasing engagement with said elongated body, and means for holding said cam-shaped surface out of clamping position against said elongated body.
Dependencies are inferred from the claim text.