Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent
1998-01-30
2000-07-18
Smith, Scott A.
Tool driving or impacting
Impacting devices
Impact transmitting anvil
173104, 173128, 173203, B25D 1100
Patent
active
060893303
ABSTRACT:
A device for transmitting pulsed axial percussions to a drill (12) and including a housing (2) one end of which is releasably connectable with a housing (3) of a hand-held rotary drill, a rotation transmitting element (7, 9) rotatably supported within the housing (2) and operatively connected with a rotatable spindle (4), which projects from the rotary drill housing (3), for joint rotation therewith, a chuck (11) provided at an end of the device housing (2) opposite to the one end for receiving the drill (12), a reciprocating hammer member (15) movable into an abutting engagement with a trailing end of the drill (12), and a hammer mechanism (17-20; 21-24) arranged within the device housing (2) for imparting pulsed axial percussions to the hammer member (15) and connected with the rotation transmitting element (7, 9) for generating the pulsed axial percussions.
REFERENCES:
patent: 1665173 (1928-04-01), Misener
patent: 3123156 (1964-03-01), Gapstur
patent: 3149681 (1964-09-01), Drew
patent: 3650336 (1972-03-01), Koehler
patent: 3837410 (1974-09-01), Maxwell
patent: 4450919 (1984-05-01), Cousineau
patent: 4489792 (1984-12-01), Fahim et al.
patent: 5094133 (1992-03-01), Schreiber
Binder Gerhard
Miescher Stefan
Hilti Aktiengesellschaft
Smith Scott A.
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