Bi-articulated prosthetic terminal device

Details Bi-articulated prosthetic terminal device Bi-articulated prosthetic terminal device

1988-02-22

1989-05-30

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arm or component and actuator or connector therefor

With article or article holder

294 191, A61F 254

Patent

active

048347604

ABSTRACT:
A bi-articulated prosthetic terminal device which is of the type having an upper proximal jaw and a lower proximal jaw pivotally connected at a proximal joint for handling relatively large, bulky and/or heavy items and a distal jaw assembly pivotally attached at a distal joint to the extending end of the upper proximal jaw and fitted with an upper distal jaw and a lower distal jaw. The lower distal jaw cooperates with the extending end of the lower proximal jaw at the distal joint to create the capability for handling small, thin and/or light items. In a first preferred embodiment of the invention, the distal jaw assembly is biased to close the lower distal jaw against the lower proximal jaw by means of a spring provided in the distal joint. In a second preferred embodiment, this bias is created by a rubber cushion situated between the upper distal jaw and the upper proximal jaw.

REFERENCES:
patent: 1819317 (1931-08-01), Baehr
patent: 2030785 (1936-02-01), Dorrance
patent: 4089072 (1978-05-01), Glabiszewski

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