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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7874777 | Tapered sleeve, bolt, nut and washer device An attachment device for joining planar metal members to one another. A tapered passage is formed through the metal members. A tapered metal sleeve is positioned in the tapered passage. An elongated headed fastener is inserted through the sleeve. A bearing washer is... | 01/25/2011 |
| 7203998 | Composite knob with light pipe leakage barrier A composite knob including an injection molded translucent core having a side wall and a top wall with light pipe window or a light pipe opening formed in these walls. A trim ring is positioned on the core and has an opening therethrough to align with the light pipe... | 04/17/2007 |
| 7111365 | Knob with decorative ring and snap on cap A multi-piece knob having a cylindrical tubular plastic body with a central hub and a peripheral wall. An annular end wall extends from the peripheral wall and terminates radially short of the central hub to define a passage into the tubular body and around the hub.... | 09/26/2006 |
| 7036188 | Composite knob with light pipe leakage barrier A composite knob including an injection molded translucent core having a side wall and a top wall with light pipe window or a light pipe opening formed in these walls. A trim ring is positioned on the core and has an opening therethrough to align with the light pipe... | 05/02/2006 |
| 6896442 | Knob with fingers for gripping a shaft A knob for installation on circular and non-circular shafts. The knob includes a hub molded of a thermoplastic material. An elongated socket is formed in the hub and has a transverse cross-section which is complimentary to that of the shaft. Flexible fingers of Y-sh... | 05/24/2005 |
| 6591457 | Multi-component button and a method of manufacturing it A multi-component button and a method of making it. The button includes a plastic core having a top surface with a projection in the shape of an icon upstanding on the top surface. A thin piece of metal is seated on the top surface of the core and receive... | 07/15/2003 |
| 6568036 | Composite indicator knob and a method for manufacturing a knob A method of making a composite plastic knob including the steps of forming a plastic core having a front wall of a generally uniform thickness with an integral discernible window portion formed in a fin projecting outwardly of the front wall and with the ... | 05/27/2003 |
| 6528743 | Timer knob A knob for installation on the end of a timer control shaft having a pair of flexible fingers. The knob includes a core, a hub in the core and a shaft receiving passage formed in the core. A shaft entrance of generally circular transverse cross section is... | 03/04/2003 |
| 6528001 | Method of attaching a cover to a tubular body A composite article including a tubular body having a front end, a rear end, a peripheral wall extending between the front and rear ends, a wall support located rearwardly of the front end of the peripheral wall and at least one paragraph formed in the wa... | 03/04/2003 |
| 6499191 | Knob with a composite light pipe having a colored face and a light pipe A composite knob having a plastic core with a front wall. A narrow passage or slit extends through the front wall of the core. A thin, elongated planar light pipe formed of a first piece of a clear light transmitting plastic and a second piece of a colore... | 12/31/2002 |
| 6467131 | Friction fit knob with anti-torque capabilities A molded knob of the type having a knob with a socket located in the knob which socket slips over the end of an irregularly shaped shaft and has fingers which frictionally engage the outer surface of the shaft. The hub has an inner portion surrounded by a... | 10/22/2002 |
| 6463630 | Composite knob having a pullout and torque resistant insert with a threaded socket A composite knob having a pullout and torque resistant insert with a shaft receiving threaded socket. One embodiment of the composite knob includes a disc shaped plastic body having a central hub. A plastic insert is embedded in the central hub. A threade... | 10/15/2002 |
| 6391243 | Method for manufacturing an indicator knob A method of making a composite plastic knob including the steps of forming a plastic core having a front wall of a generally uniform thickness with an integral discernible window portion formed in a fin projecting outwardly of the front wall and with the ... | 05/21/2002 |
| 6242064 | Method of attaching a cover to a tubular body such as a knob or a button and a knob or button of said method A composite article including a tubular body having a front end, a rear end, a peripheral wall extending between the front and rear ends, a wall support located rearwardly of the front end of the peripheral wall and at least one paragraph formed in the wa... | 06/05/2001 |
| 6136248 | Method for manufacturing an indicator knob A method of making a composite plastic knob including the steps of forming a plastic core having a front wall of a generally uniform thickness with an integral discernible window portion formed in a fin projecting outwardly of the front wall and with the ... | 10/24/2000 |
| 5942313 | Method of manufacturing a composite article having a high clarity icon and the product produced by the method A method of manufacturing an injection molded object having an outer shell with a front face and a light transmitting assembly molded into the outer shell which assembly is visible from the front face. The method includes the following steps. Supporting a... | 08/24/1999 |
| 5928763 | Method for obtaining a tight, secure connection between interfitting members and the connection resulting therefrom A method for obtaining a tight, secure connection between two relatively non-deformable members and the connection resulting therefrom. The method includes the steps of forming a recess in a first of said members, forming a second member with a portion th... | 07/27/1999 |
| 5845365 | Method for manufacturing an indicator knob and a knob A method of making a composite plastic knob including the steps of forming a plastic core having a front wall of a generally uniform thickness with an integral discernible window portion formed in a fin projecting outwardly of the front wall and with the ... | 12/08/1998 |
| 5811175 | Method of manufacturing a composite article having a high clarity icon and the product produced by the method A method of manufacturing an injection molded object having an outer shell with a front face and a light transmitting assembly molded into the outer shell which assembly is visible from the front face. The method includes the following steps. Supporting a... | 09/22/1998 |
| 5783285 | Method for obtaining a tight, secure connection between interfitting members and the connection resulting therefrom A method for obtaining a tight, secure connection between two relatively non-deformable members and the connection resulting therefrom. The method includes the steps of forming a recess in a first of said members, forming a second member with a portion th... | 07/21/1998 |
| 5688461 | Method of molding a composite plastic article A method of molding a composite plastic article having a cylindrical transverse cross section. The method includes the steps of forming an inner core of a cylindrical transverse cross section having a longitudinally extending hub, an outer wall surroundin... | 11/18/1997 |
| 5675867 | Composite metal and plastic handle A composite handle for a household appliance having a hollow metal core and an outer covering of a thermoplastic which covering may be soft or hard. The hollow metal core includes a hollow tubular center portion and flattened, channel-shaped legs and feet... | 10/14/1997 |
| 5669104 | Composite knob with an insertable position indicator A composite knob having a core formed of a hard plastic material and an outer covering of a softer plastic material. The core includes a front wall with an integral bent around skirt, a hub and an axially rearwardly extending stanchion. The softer plastic... | 09/23/1997 |
| 5641556 | Method for manufacturing a composite article having a high clarity icon and the article produced by the method A method of manufacturing a composite article having a front face containing a visible icon, which front face may be planer or arcuate. The method includes the steps of forming a core having perforate and imperforate portions in the core thereby creating ... | 06/24/1997 |
| 5519972 | Decorative product having a decorative strip This invention is directed to a method of inserting an elongated, thin, flexible strip of a material of limited resiliency into a recess in a base member. The method includes the steps of slightly bowing the ends of the strip away from the base member and... | 05/28/1996 |
| 5469758 | Knob with soft plastic cover A composite knob having an elongated, cylindrical, inner core molded of a relatively stiff plastic and a partial outer covering of a soft resilient plastic molded to the inner core. Anchoring cavities are provided in ribs of the inner core to receive plug... | 11/28/1995 |
| 5459919 | Method of assembling a calibratable knob and skirt and a product thereof A knob and skirt assembly having a dial which can be calibrated relative to a control shaft and easily assembled in the proper position of alignment. The assembly includes a knob having a handle portion and hub portion. The knob portion has a control shaf... | 10/24/1995 |
| 5450653 | Composite knob with an insertable position indicator A composite knob having a core formed of a hard plastic material and an outer covering of a softer plastic material. The core includes a front wall with an integral bent around skirt, a hub and an axially rearwardly extending stanchion. The softer plastic... | 09/19/1995 |
| 5345838 | Easily assembled calibratable dial A knob and skirt assembly having a dial which can be calibrated relative to a control shaft and easily assembled in the proper position of alignment. The assembly includes a knob having a handle portion and hub portion. The knob portion has a control shaf... | 09/13/1994 |
| 5197161 | Friction fit knob for shaft with end of U-shaped cross-section A molded knob of the type which frictionally engages and fits over the end of a shaft, which shaft end is of generally U-shaped, transverse cross-section created by the removal of a portion of a circular tubular shaft. A hub is formed as part of the knob.... | 03/30/1993 |
| 4923325 | Friction fit knob A molded knob of the type which frictionally engages and slips over the end of a shaft. The knob has a hub with a shaft-receiving socket formed therein. Elongated fingers, which are formed as part of the hub, extend into the socket to engage the shaft. In... | 05/08/1990 |
| 4608882 | Knob with decorative end cap A cylindrical knob for installation on a shaft and a method for fastening a decorative disc shaped end cap to a tubular knob body to make the cylindrical knob. The cylindrical knob includes a plastic tubular body having an outer sleeve and an inner core. ... | 09/02/1986 |
| 4604786 | Method of making a composite article including a body having a decorative metal plate attached thereto A method of manufacturing a composite article including a hollow body having a decorative metal plate attached thereto. The method includes the forming of a decorative metal plate and the attachment of the plate to a hollow body. The method can be best de... | 08/12/1986 |
| 4510666 | Knob with decorative end cap and method of manufacturing it A cylindrical knob for installation on a shaft and a method for fastening a decorative disc shaped end cap to a tubular knob body to make the cylindrical knob. The cylindrical knob includes a plastic tubular body having an outer sleeve and an inner core. ... | 04/16/1985 |
| 4467515 | Method of finishing aluminum sheets A method of finishing a rectangular sheet of bright aluminum to provide a central rectangular portion surrounded on its four sides by a brushed satin border. The method of the invention includes the steps of brushing the bright aluminum surface along a pa... | 08/28/1984 |
| 4446811 | Knob and skirt assembly A knob and skirt assembly for mounting on the end of a control shaft which assembly has a dial which can be calibrated relative to the control shaft. The assembly includes a knob having a handle and a hub. The disc shaped skirt has a central opening adapt... | 05/08/1984 |
| 4441230 | Molded knob with resilient friction fit finger A molded knob of the type which frictionally engages and slips over the end of a shaft of generally circular cross section and having at least one longitudinally extending flat surface. A hub is formed as part of the knob. A shaft receiving walled socket ... | 04/10/1984 |
| 4417483 | Calibratable dial A calibratable dial for mounting on a control shaft. The dial includes a hub and a skirt frictionally fastened to each other for rotational movement in unison. The hub has a generally cylindrical portion and a disc portion. A shaft receiving socket is for... | 11/29/1983 |
| 4351886 | Method of forming a laminated structural member and member formed thereby A method of forming a laminated structural member and the structural member formed thereby. The method includes the steps of securing a first sheet of metal and a superimposed second sheet of metal to each other along areas on opposite edges of the sheets... | 09/28/1982 |
| 4295246 | Knob A molded plastic knob of the type which frictionally engages and slips over the end of a shaft of generally circular cross section and having at least one longitudinally extending flat surface. A hub is formed as part of the knob. A shaft receiving socket... | 10/20/1981 |
