...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8117720 | Rotary tensioning device A rotary tensioning device that is low profile when not being used to apply or reduce tension and that provides an easily manipulated tightening and loosening control mechanism. A control mechanism in the form of a flip up handle is pivotally connected to a drive me... | 02/21/2012 |
| 8032993 | Adjustment mechanism An adjustment mechanism comprises a dial comprising an inner wall defining a hole passing through the dial, the inner wall comprising a ledge having one or more cutouts. The mechanism further comprises a base comprising a first set of teeth and an actuator comprisin... | 10/11/2011 |
| 7707695 | Adjustable locking mechanism for protective head gear A locking mechanism for a headgear suspension using two racks, a pinion, a driver and a lockable knob. The two racks are positioned on the suspension such that they overlap and permit engagement of the gears on the driver with teeth on the rack such that when the lo... | 05/04/2010 |
| 7222374 | Head gear fitting system According to one embodiment of the invention, a fitting system for a helmet is provided. The fitting system includes a belt having supported racks coupled to a belt adjustment device. The belt adjustment device is operable to allow a user to tighten the belt, and re... | 05/29/2007 |
| 7174575 | Ratchet mechanism for the headband of protective headgear used in high temperature environments A ratchet mechanism for the headband of a protective helmet or other headgear is designed to function in high-temperature environments, while still allowing for ready adjustment of the size and fit of the headband. In this regard, the ratchet mechanism includes a ro... | 02/13/2007 |
| 7111764 | Clamp assembly for securing a ladder to a vehicle rack A clamp assembly secures a first article to a second article. The clamp assembly includes first and second spaced-apart article holders adapted for engaging respective first and second articles. An elongated gear rack interconnects the first and second article holde... | 09/26/2006 |
| 7043772 | Ratchet mechanism with unitary knob and pinion construction A ratchet mechanism for the headband of a protective helmet or other headgear minimizes the number of components while ensuring precise, reliable operation of the rack and pinion arrangement of the ratchet mechanism. A headband of a protective helmet or similar head... | 05/16/2006 |
| 7000262 | Flexible ratchet mechanism for the headband of protective headgear A ratchet mechanism for the headband of a protective helmet or other headgear allows for adjustment of the size and fit of the headband. The headband has overlapping rear end portions which are enclosed in a housing, which is comprised of an outer substantially arc-... | 02/21/2006 |
| 6708376 | Length adjustment mechanism for a strap A length adjustment mechanism for a strap having a row of teeth. The mechanism comprises a pinion for meshing with the row of teeth and a finger operable actuator pivotable in a first direction and a second direction. The mechanism also comprises a pivoting link cou... | 03/23/2004 |
| 5950245 | Adjustable headband with a ratchet mechanism having different resistances The present invention provides an adjustable headband for protective headgear with a ratchet mechanism having different resistances. The adjustable headband utilizes a ring gear assembly having a plurality of radially projecting teeth thereon. Each of the... | 09/14/1999 |
| 5943742 | Strap tightening/loosening device A strap tightening/loosening device includes two side plates with a connecting plate connected therebetween, an inverted U-shaped handle mounted to the side plates with a shaft extending through the handle and the side plates, two ratchets fixedly mounted... | 08/31/1999 |
| 5778496 | Strapping device A strapping device includes two plates pivotally connected a U-shaped handle by a shaft to which two ratchets are disposed, each one of two distal ends of the handle has a cam means formed thereto, a control member and a pawl member respectively and movab... | 07/14/1998 |
| 5369848 | Operating arm for strapping mechanism An operating arm is engaged with ratchet gear of a strapping mechanism for operating the ratchet gear, the operating arm includes a pair of legs having one end engaged with the ratchet gear, a hand grip is formed integral with the other ends of the legs s... | 12/06/1994 |
| 5357654 | Ratchet diving mask strap The present invention is to offer a ratchet diving mask strap which can be adjusted to a desirable tightness even under water through a process of two-piece opposite direction displacement tightening by turning the adjusting knob to tighten the two sides ... | 10/25/1994 |
| 5157813 | Shoelace tensioning device A device is provided for regulating the tension on shoelaces of the type worn in conventional footwear. The shoelace tension regulating device is mounted on the top of the shoe with which it is used, preferably by lacing the shoelace ends through a pair o... | 10/27/1992 |
| 5001817 | Securing and adjustment device particularly for ski boots A securing and adjustment device, particularly for ski boots, includes a case having a knob which can be actuated by the skier, and at least one spool, provided with an axial toothing, for winding at least one cable. The device further includes a resilien... | 03/26/1991 |
| 4919374 | Plastic liner securing apparatus A process and a device for holding a flexible plastic liner within a rigid or semi-rigid waste or storage container. The device or apparatus includes a split or divided shaft 30 which is attached to a ratchet wheel 104, which is controlled by a worm gear 102. ... | 04/24/1990 |
| 4783822 | Multi-adjustable headband A headband for a headset has separate coarse and fine adjustment features. The adjustments may be to the axial distance between at least one earpiece element and a side support. Such adjustment to the axial distance varies the pressure exerted on the head... | 11/08/1988 |
| 4748726 | Ski boot fastener In this rotary fastener which can be used particularly on ski boots two traction wire tensioning elements can be altered in their effective length in opposing directions by a rotary movement in one or the other direction in order to tighten or loosen shoe... | 06/07/1988 |
| 4735004 | Self-closing ski boot This shell-type ski-boot comprising a lower portion molded integrally with the sole and an upper made of a front quarter and a rear quarter pivotally interconnected and fulcrumed on the lower portion, is proveded with a telescopic traction device adapted ... | 04/05/1988 |
| 4719710 | Operating device for foot locking elements, particularly for ski boots This operating device comprises an operating knob rigid with a reel accommodating a cable winding thereon and acting on foot locking elements. The knob is supported on a lever pivoted at one end thereof to the ski boot so as to be movable between an openi... | 01/19/1988 |
| 4700433 | Device of the clevis type for handling operations The device of the clevis type for handling materials, notably lifting or hauling operations, comprises two clevis branches connected by at least two stems which have non aligned parallel axes and at least one of which is slit longitudinally, a flat flexib... | 10/20/1987 |
| 4680878 | Ski boot This ski boot comprises a boot shell having a front gaiter and a rear gaiter associated therewith, as well as a lever element which is pivoted at one end to either of said gaiters, preferably the rear gaiter, for rotation about the pivot axis. Journalled ... | 07/21/1987 |
| 4480395 | Closure for shoes, especially ski boots A shoe closure intended particularly for ski boots contains two pull straps adapted to be fastened on corresponding parts of the shoe and a rotatable actuating member with two driving members arranged eccentrically with reference to the axis of rotation o... | 11/06/1984 |
| 4433456 | Closure device particularly for ski boots The closure device comprises a box-like body associated with one of the ski boot flaps to be brought together and provided with a knob for actuating a spool whereon at least one small cable associated with the other of the flaps to be brought together is ... | 02/28/1984 |
| 4428099 | Tensioning apparatus The invention relates to a tensioning apparatus for tensioning a flexible member, such as a strap (11, 62) or a panel (P) and wherein the flexible member (11, 62, P) presents a rigid element (13) at or near its free end or edge, the rigid insert (13) is l... | 01/31/1984 |
| 4115904 | Lock for bracelets, belts and the like This disclosure relates to locks for bracelets, belts and the like to fasten two ends of the same together. The lock basically includes sliders which are attached to the ends of the bracelet, etc., with the sliders having rack formations which are engaged... | 09/26/1978 |