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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Application No. | Application Title | Issue Date |
| 20100236883 | PNEUMATIC CONSTRICTING DRUM BRAKE ASSEMBLY A pneumatic constricting drum brake with seals attached to axially opposite sides of the hub of the rotating drum with wiper portions of the seals rotatably contacting correspondingly located stationary sealing surfaces on the housing for sealing the hub. At least one o... | 09/23/2010 |
| 20100218388 | CHAINSAW THROTTLE AND BRAKE MECHANISMS Chainsaws are provided, each having a brake band disposed about a drum that rotates during advancement of the saw chain about the saw bar. An end of the brake band is biased to a position that draws the brake band tight about the drum to prevent advancement of the saw c... | 09/02/2010 |
| 20100192391 | BRAKE SYSTEM OF CHAIN SAW AND CHAIN SAW According to a chain saw braking system, engagement between a front end portion of a belt and a main body by an engagement member is released at the time of application of an impact. When a front end portion is pulled by the spring force of a compression coil spring, an... | 08/05/2010 |
| 20070278050 | TOE POSITION CONTROL One aspect is a wrap device including first and second hubs. The first hub is configured with first cam features and the second hub is configured with second cam features. The first and second hubs are configured so that one is rotatable relative to the other about an a... | 12/06/2007 |
| 20070089944 | Brake band assembly A brake band assembly for use in a transmission is provided with a brake drum and a brake band arranged surrounding the brake drum and having a strap and a lining bonded on an inner surface of the strap. The brake band assembly includes an antitilt device for the brake ... | 04/26/2007 |
| 20070007089 | Wheelbarrow with braking system A braking system for a wheelbarrow comprises a brake assembly which includes a band-type braking member and a link member connected to the braking member, wherein the braking member encircles more than about one half of the outer circumference of the wheel flange of the... | 01/11/2007 |
| 20060151263 | Double-wrap brake band assembly A double-wrap band brake assembly to be used for braking a rotating member fitted in a double-wrap brake band, which double-wrap brake band comprises an annular middle band with a friction surface formed on the inner periphery thereof, a pair of annular outer bands whic... | 07/13/2006 |
| 20060081424 | Brake band The present invention provides a brake band in which brackets are joined to both ends of a curved strap and a friction material is fixed to an inner side of the curved strap and wherein a dynamic pressure generating groove is formed in the friction material only at an a... | 04/20/2006 |
| 20050098396 | Disc brake that is actuated by means of a band brake device The invention relates to a friction brake (10) for a motor vehicle. The friction brake (10) for instance has a disk brake (12), which is actuatable by means of an actuating device, for instance in the form of a ball thread drive (22). The inv... | 05/12/2005 |
