Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent
1991-08-12
1992-04-28
Rosenbaum, Mark
Tool driving or impacting
Impacting devices
Impact transmitting anvil
173132, 269 25, 269268, 269270, B25D 104
Patent
active
051079356
ABSTRACT:
An accessory for a jack hammer that includes clamping means for gripping the upper end of the stake so that the stake can be controllably driven into the ground by the user. The accessory includes a stake receiver that has a channel into which the end portion of the stake is inserted and further includes a jaw and clamping means for forceably retaining the jaw against the inserted stake. The channel includes guide ways that permit it to be used interchangeably with the more common sizes and shapes of stakes.
REFERENCES:
patent: 1827957 (1931-10-01), Shaw
patent: 1847135 (1932-03-01), Oldham
patent: 1853128 (1932-04-01), Hysing et al.
patent: 2127008 (1938-08-01), Petersen
patent: 2887918 (1959-05-01), Benson
patent: 3202023 (1965-08-01), Parker
patent: 3406764 (1968-10-01), Cerra
patent: 3454113 (1969-07-01), Holtz
patent: 4076227 (1978-02-01), Rameson
patent: 4142714 (1979-03-01), Diepeveen
Rosenbaum Mark
Smith Scott A.
Teaby Marvin Richard
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