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| Number | Title | Issue Date |
| 7111691 | Breaking hammer, and fastening element, side plate, and protective casing of breaking hammer A crushing hammer, and a fastening element, side plate, and protective casing for the crushing hammer. The crushing hammer comprises at least two alternative fastening elements with which it can be fastened to a boom of a work machine. The fastening can be done with... | 09/26/2006 |
| 5462127 | Holding device The present invention is for a holder for a device comprising axially vibrating and/or beating tools, e.g. a device for removal of hard layers by axing using an axially vibrating and beating chisel. The device is manually controlled and transfer of vibrat... | 10/31/1995 |
| 5407252 | Method and apparatus for scaling mine roofs and ribs A mine scaling tool having a base plate to which a collar is concentrically attached on one side and appropriately supported with gusseted rib plates. A relatively long, heavy walled tube is telescopically fitted within a reenforcing collar. The tube is c... | 04/18/1995 |
| 5251367 | Pneumatically driven descaling tools A pneumatically driven impact type set of tools including a plurality of interchangeable components having, in addition to a manually gripped housing, a common pneumatically driven reciprocating piston actuator assembly, an interchangeable set of tool hea... | 10/12/1993 |
| 5095600 | Paving breakers and supports therefor There is described a paving breaker wherein vibrational forces arising from reciprocation of the breaker are reduced at the breaker handles by removing the conventional direct attachment of the handles to the breaker, and instead resiliently coupling the ... | 03/17/1992 |
| 5007268 | Method and device for edge-finishing An edge-finishing device comprises a drive unit (L), a holder (M) and a notched tip (N). The tip combines a number of geometric features known as land radius (Y), flank faces (K), flank radii (I) and root radius (J). Typical useage of the device requires ... | 04/16/1991 |
| 4694546 | Apparatus for stripping paint An apparatus is disclosed for stripping paint which includes a plurality of rapidly reciprocating needle chisels to strike paint off an article and a pair of brush-polishers to polish the surface of the article so that subsequent paint layers do not adher... | 09/22/1987 |
| 4594759 | Surface-chiseling machine A surface-chiseling machine for refractory, concrete or other materials is disclosed, which includes a piston having at its one end a step portion and on a side periphery at its other end a through-hole, and a cylinder forming a first air chamber on a clo... | 06/17/1986 |
| 4027647 | Planing and cutting tool A cutting tool is especially adapted for use with a power driven hammer. The power driven hammer is held in one hand and the shank of the tool is inserted into a guide on the hammer. Preferably, the power driven hammer is adapted to move the tool through ... | 06/07/1977 |
