1
Dennis P Crane: Document shredding machines. Ofrex Group, Merriam Marshall & Bicknell, October 25, 1983: US04411391 (20 worldwide citation)

The invention concerns a document shredding machine of the kind comprising two cutter assemblies, each assembly comprising a drive shaft upon which cutter discs are mounted at spaced intervals, the assemblies being mounted so that the discs of one assembly enter into the gaps between the discs of th ...


2
Geoffrey M Burlington, Stephen C Watkins: Shredding machines. Ofrex Group Holdings, Kirschstein Ottinger Israel & Schiffmiller, April 24, 1990: US04919345 (17 worldwide citation)

In a shredding machine, oppositely rotating cutter shafts (11a, 11b) are driven by an electric motor (E) through an epicyclic gear mechanism (G) comprising a casing (17) with an internal gear formation (52) and a planet carrier (31) carrying planet gears (34) in mesh with the internal gear formation ...


3
Denis P Crane: Document shredding machines. Ofrex Group Holdings, Vaden Eickenroht Thompson & Boulware, January 5, 1988: US04717085 (16 worldwide citation)

A document shredding machine comprises cutting mechanism comprising two shafts, each mounted for rotation about a respective parallel axis, and cutting discs mounted at spaced intervals on each shaft, the two sets of cuttings discs intermeshing and the shafts being rotated in opposite directions so ...


4
James T Yeomans: Document shredding machines. Ofrex Group Holdings, Vaden Eickenroht Thompson & Boulware, October 20, 1987: US04700902 (15 worldwide citation)

A base unit for a document shredding machine comprising a frame like supporting structure providing an open-fronted stand which provides a horizontal surface on which a shredding machine may be placed. A bin of the base unit comprises a rear portion and a front portion which is wider than the rear p ...


5
Howard W Biddle: Tacker. Ofrex Group, Mason Fenwick & Lawrence, August 23, 1983: US04399938 (13 worldwide citation)

A tacker has a magazine to contain staples and a striker movable against a spring biassed to eject the staples from an ejection slot. An integral handle and pawl are provided to engage the striker to move the striker against the spring bias, the pawl being disengageable from the striker to release t ...


6
Alan G Kenney: Tacker. Ofrex Group, Nathaniel A Humphries, January 11, 1983: US04367833 (11 worldwide citation)

A tacker which ejects magazines from a staple on operation of a handle by means of a spring biased striker protruding from the ejections slot. The tacker must first be pressed against the surface so that the protruding portion of the striker is pressed inwardly so that a pawl formed on the operating ...


7
Document shredding machines. Ofrex Group, May 13, 1981: GB2061128-A (10 worldwide citation)

Document shredding machine of the type comprising a cutter assembly comprises two rows of cutting discs mounted for rotation in opposite directions about parallel axes, the discs (6) Fig. 2 of one row being arranged to enter gaps between adjacent discs (8) of the other row with little or no clearanc ...


8
Bench Frank: A stationery product.. Ofrex Group Holdings, August 23, 1989: EP0328751-A2 (9 worldwide citation)

A stationary product comprises a wallet(1) defining at least one pocket(7B,8B) to receive and retain papers, documents or the like. A plurality of lines(16) of mechanical weakness are provided adjacent one edge(15) of the wallet, each line of mechanical weakness being adapted to be broken to form a ...


9
Owen M Wright: Low line tacker. Ofrex Group, Mason Fenwick & Lawrence, April 24, 1979: US04150774 (9 worldwide citation)

A trigger-operated staple tacking device comprises a body and an operating handle pivotally connected at one end to the body, operation of the trigger to actute a staple driving mechanism of the device being effected by squeezing the other end of the handle and the body together against the action o ...


10
Owens Mark, Drane John: An electrically-powered stapling machine. Ofrex Group Holdings, April 14, 1993: GB2260289-A (8 worldwide citation)

A stapling machine comprises a staple driver 12 biased towards a staple-ejection slot 6 of a staple magazine 5, an electrically-driven cam element 21 provided with rising cam surfaces 25, 26 and vertical drops 27, (28) and a rod 13 connected to driver 12 and riding on cam surfaces 25, 26. Rotation o ...