Electric combination hammer-drill
AssigneeRobert Bosch GmbH
InventorsKarl Frauhammer, Heinz Schnerring
Life of this patent
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AssigneeRobert Bosch GmbH
InventorsKarl Frauhammer, Heinz Schnerring
Estimating the term…
An electric combination hammer for use either as a drilling hammer or as a chisel hammer has a housing and a handle arranged on it. The housing has arranged on it an on-off switch having a pawl and a switch element for manually switching from drilling operation to chisel operation and vice versa. Also arranged is a catch device by which the pawl may be engaged in chisel operation and which also prevents a latched position from being engaged in drilling operation. The catch device has a catch bracket having two legs which are connected by a joint and may be brought into operative connection with a blocking element that blocks the joint in at least one pivot direction to establish the catch function. The catch device also has at least one catch element which may be brought into operative connection with another catch element that is in operative connection with the pawl.
An electric combination hammer for use as one of a drilling hammer and a chisel hammer, comprising:
Dependencies are inferred from the claim text.