Double-ram striker assembly

Details Double-ram striker assembly Double-ram striker assembly

2006-12-12

2006-12-12

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

C173S093000, C173S093600

Reexamination Certificate

active

07147063

ABSTRACT:
A double-ram striker assembly including a shaft anvil having a shaft body on which two jaw blocks are disposed and two ring-shaped ram bodies coaxially fitted on the shaft body. The inner circumferences of the ram bodies serve to respectively ram lateral faces of the corresponding jaw blocks. A predetermined gap is defined between opposite end faces of the two ram bodies along the axis of the shaft body. The striker assembly further includes at least three rolling sections arranged in the gas. Two opposite ends of each rolling section respectively abut against the opposite end faces of the two ram bodies.

REFERENCES:
patent: 2663395 (1953-12-01), Schmid
patent: 3661217 (1972-05-01), Maurer
patent: 4287956 (1981-09-01), Maurer
patent: 6070674 (2000-06-01), Williamson et al.
patent: 6491111 (2002-12-01), Livingston et al.
patent: 6889778 (2005-05-01), Colangelo et al.

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