Stone working – Sawing – Rotary
Patent
1996-04-01
1997-10-14
Morgan, Eileen P.
Stone working
Sawing
Rotary
125 1301, 125 14, E21C 4700
Patent
active
056761260
ABSTRACT:
A masonry slitting apparatus includes a housing (1) containing a drive unit (2) for a slitting tool (4) and a trolley (3) to which the housing is pivotally connected by a rotary bearing (6) located in a first end region of the housing and trolley. The trolley (3) has a locking rail projecting toward the housing in a second end region with an adjustable depth stop (18) located on the locking rail (17). The housing (1) has a locking pawl (12) cooperating with the locking rail (17) and the pawl is actuated by a locking switch (11) in a handle (9) on the housing (1). The depth stop (18) has a locking arm (28) for securing the housing in a working position.
REFERENCES:
patent: 4502251 (1985-03-01), Everett
patent: 5172680 (1992-12-01), Swan
patent: 5241946 (1993-09-01), Yelton et al.
Below Armin
Rupprecht Hans
Hilti Aktiengesellschaft
Morgan Eileen P.
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