Tool driving or impacting – Impacting devices – With anvil arranged to transmit torsional impact to tool
Patent
1979-08-10
1981-09-08
Schroeder, Werner H.
Tool driving or impacting
Impacting devices
With anvil arranged to transmit torsional impact to tool
B25D 1502
Patent
active
042879566
ABSTRACT:
This invention pertains to a rotary impact tool and a clutch therefor, wherein a motor drives a carrier cage or member within which is pivotally mounted one or more swinging hollow hammer members. An output shaft extends through the carrier member and through the hollow hammer member and includes forward and reverse impact anvil surfaces. The hammer member is, or members are, mounted to swing in respect to the carrier member as the hammer member(s) rotate(s) with the carrier member, and carries forward and reverse impact jaws on its internal surface. As the clutch is driven in the forward direction by an air motor or the like, the forward impact jaw is moved in and out of the path of the anvil jaw on the output shaft by cam action, and during an impact blow the inertia of the rotating hammer member(s) act automatically to hold the impact jaw in engagement with the anvil jaw.
REFERENCES:
patent: 2261204 (1941-11-01), Amtsberg
patent: 2580631 (1952-01-01), Whitledge
patent: 2600495 (1952-06-01), Fitch
patent: 2886997 (1959-05-01), Madsen
patent: 3072232 (1963-01-01), Martin et al.
patent: 3144108 (1964-08-01), Reynolds
patent: 3321043 (1967-05-01), Vaughn
patent: 3533479 (1970-10-01), Madsen
patent: 3552499 (1971-01-01), Maurer
patent: 3557884 (1971-01-01), Allen
patent: 3661217 (1972-05-01), Maurer
Falik Andrew M.
Hyde Eber J.
Schroeder Werner H.
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