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| Number | Title | Issue Date |
| 7334790 | Apparatus for conveying sheets through a rotary press Sheets are conveyed through a rotary press with linear travel grippers. The novel conveying apparatus prevents collisions between the grippers and printing unit cylinders. The grippers are fixed to circulating links to convey a sheet through a nip between two cylind... | 02/26/2008 |
| 7013743 | Zero speed indicating devices and processes for testing same The subject invention is directed to methods, processes and decisions on test outcomes for testing for faulty, therefor dangerous, performance of zero speed indicators that are used to control the opening of barriers guarding moving machine components. The indicator... | 03/21/2006 |
| 7000540 | Method of operating a machine processing printing material sheets In a method of operating a machine processing printing material sheets and having a sheet transport drum in various operating modes, drum circumferential shells are kept fixed on the sheet transport drum in an outer position in a first of the operating modes and in ... | 02/21/2006 |
| 6551038 | Machine tool and cover device for the machine tool A machine tool and a cover device for the machine tool capable of preventing work cutting chips and coolant from falling on the rear part of a spindle head (8) and the operating positions of a first saddle (4) and a second saddle (6) without expanding the... | 04/22/2003 |
| 6540457 | Multi-section cover device for a slide way of a machining apparatus A multi-section cover device is used to conceal a slide way for a work piece support of a machining apparatus, and includes a fixed shield member connected to the work piece support, a first movable shield member pivotally coupled to the first shield memb... | 04/01/2003 |
| 5360072 | Drill rig having automatic spindle stop A drill rig which is equipped with one or more safety mechanisms designed to prevent injuries to rig operators. In a first embodiment, the safety mechanism includes a barrier which is shiftably mounted to the rig and surrounds the drilling tool when the b... | 11/01/1994 |
| 5183526 | Repair sealer accessory An apparatus and method are provided for facilitating manual feeding of business forms into business forms handling equipment to bypass the automatic feeder, primarily in the production of mailers from forms having pressure sensitive adhesive strips. Moun... | 02/02/1993 |
| 4677718 | Safety hood for palette change-over devices of machine tools In a machine tool having a palette change-over device protected by a movable U-shaped hood, to prevent injury to the operator or accidental damage during movement of the hood the hood is provided with a probe and an automatic circuit breaker arranged to s... | 07/07/1987 |
| 4373406 | Full access pallet shuttle guarding A machine tool has a pallet transfer system comprising a rotary deck having a pair of pallets oppositely disposed about a vertical rotary transfer axis, wherein at the transfer position, the pallets are further movable along a horizontal linear transfer a... | 02/15/1983 |
| 4307798 | Safety device for press The invention is related to a safety device for a press machine or the like. The safety device includes a first guard plate which slidably extends over the machine access area and is powered by an air cylinder having a movable rod connected to a movable a... | 12/29/1981 |
| 4297931 | Double ended metal cleaning shear A metal cleaning shear is provided for shearing metals and other material wherein there is provided a rocking pivoted beam, a pivotally mounted guard, hydraulic cylinder means, cutting blades, and a control for the hydraulic means and machine.... | 11/03/1981 |
| 4295421 | Safety device for guarding nips in a sheet-fed rotary printing press A sheet-fed rotary printing press having lower and upper blanket cylinders in running engagement with an impression cylinder to form nips accessible through an access space. The driving means for the cylinders includes an inching circuit and a drive enabl... | 10/20/1981 |
| 4279335 | Safety device having machine drive cam control A hollow clearance indicator is mounted for reciprocable movement toward and away from a fixed machine work area. A movable work-forming element is received in an aperture of the clearance indicator to effect an operation on a workpiece in the machine wor... | 07/21/1981 |
| 4193343 | Pellet marking apparatus with frame raising and lowering mechanism In a pellet marking apparatus of the type comprising, a frame, printing means comprising a design roller and a resilient printing roller mounted on the frame, an ink reservoir mounted on the frame, hopper means into which a multiplicity of pellets or the ... | 03/18/1980 |
| 4180925 | Apparatus with masking means for continuously covering a slot therein An apparatus, such as the bowl assembly of a tractor scraper, comprises a first member having a second member movably mounted therein for movement between first and second positions. An actuator, interconnected between the first and second members, is ada... | 01/01/1980 |
| 4137795 | Safety guard for power presses A safety guard apparatus for a power press prevents the ram of the press from descending until the safety guard is in position to protect the operator. On presses which are equipped with part revolution clutches, the safety guard apparatus causes the ram ... | 02/06/1979 |
| 4078451 | Machine tool guards A machine tool, such as a hydraulic press, has a movable guard to prevent the operator's hands from being present in the vicinity of the powered operating element, such as a press tool, while the machine is operating. The guard can be actuated automatical... | 03/14/1978 |
| 4071128 | Apparatus for shielding moving parts in fluid-operated machines A blow molding machine wherein a shield is movable to and from an operative position in which it prevents access to the mold sections. The hydraulic motors which move the mold sections can receive pressurized fluid only when the shield is locked in the op... | 01/31/1978 |
| 3969955 | Press brake safety device A simplified safety guard assembly for use with a press brake or like machine tool to prevent operator access to the die and anvil zone during stamping operations. The guard preferably utilizes a see-through shield or guard panel located between the opera... | 07/20/1976 |
