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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7360631 | Apparatus for operating parking brake An apparatus for operating a parking brake that can reduce an operation stroke. A connecting member has shoe insert grooves with brake shoes inserted into both sides thereof. A first operation lever has one end rotatably combined with one side face of the connecting... | 04/22/2008 |
| 7261190 | Reaction lever for a parking brake A lever for moving first and second brake shoes into engagement with a drum to effect a brake application. The lever has a first end connected to the brake shoes and a second end with a tine fixed thereto to which a cable is connected to apply an input force to effe... | 08/28/2007 |
| 7100746 | Motor vehicle drum brake and related assembling method In order to facilitate assembly and disassembly of a vehicle, the invention provides a method of assembling and disassembly a drum brake (1). In this assembly and disassembly method, the operating spacing of two brake shoes (4 and 5) inside a dr... | 09/05/2006 |
| 7070025 | Drum brake apparatus An automatic clearance adjusting device 10 that automatically adjusts the position of brake shoes (3, 4) based on the wear includes an adjuster gear that is rotatably depending on the amount of how much the brake shoes are parted from each other, a cam... | 07/04/2006 |
| 6877590 | Dual mode drum brake This dual mode drum brake provides less stroke loss during the brake operation; a stable parking brake effectiveness; and a comfortable feeling for the operator during the brake operation. A wheel cylinder actuator (15) is positioned between ends (11 | 04/12/2005 |
| 6702071 | Adjuster strut An adjuster strut (10) for use in a drum brake assembly. The adjuster strut (10) has an adjustable elongate extent with first and second engagement means (17,37) disposed at opposite ends thereof for engaging opposed braking members (11,12,35) of a brake ... | 03/09/2004 |
| 6684986 | Adjuster mechanism for a drum brake An adjuster mechanism in a drum brake wherein a rotation of a star wheel on a shaft of an extendable strut is limited to a single increment define the pitch of a plurality of teeth on the star wheel. The limitation is achieved by a lever that is carried b... | 02/03/2004 |
| 6394237 | Automatic shoe clearance adjustment device for a drum brake It is an object of this invention to provide an automatic shoe clearance adjustment device for a drum brake mechanism designed to improve its durability by eliminating a gap, which is caused due to the manufacturing tolerances between the operating end su... | 05/28/2002 |
| 6390248 | Dual mode drum brake device It is an object of this invention to provide a drum brake device which solves a problem of decreasing the strength of a back plate near an anchor block and reduces potential damage to the parking brake cable. A pivot lever 60 is pivotally mounted on one b... | 05/21/2002 |
| 6345702 | Brake adjusters A brake adjuster comprises a variable length strut (16) having two end portions (30, 31) and an intermediate portion (32) therebetween which is in screw threaded engagement with one of the end portions (31). A pawl (39) is attached to the other end portio... | 02/12/2002 |
| 6328141 | Drum brake device with automatic shoe clearance adjustment device A adjustment lever (80) has dual-functions characterized in that when an actuating force to a brake shoe (20) to move outward reaches predetermined magnitude, a device (80g) prevents over-adjustment of shoe-to-drum clearances disables a device (70) to res... | 12/11/2001 |
| 6234280 | Drum brake device A drum device is provided that functions as a very stable leading-trailing (LT) type when the service brake is applied, and as a highly effective duo-servo (DS) type with very little fluctuation in stroke when the parking brake is applied, in which strang... | 05/22/2001 |
| 6095296 | Duo-servo type drum brake device In order to indirectly open brake shoes (3, 4) through a link (19) pivoted on one of the brake shoes (3) at a location of a brake shoe holding mechanism (5), and to operate the brake shoes (3, 4) away from a shoe gap adjuster (11) while one of the brake s... | 08/01/2000 |
| 6082505 | Drum brake device A drum brake device is provided that functions as a very stable leading-trailing (LT) type when the service brake is applied, and as a highly effective duo-servo (DS) type with very little fluctuation in stroke when the parking brake is applied, in which ... | 07/04/2000 |
| 6050371 | Unit for a drum brake and drum brake equipped with same A structural unit for a drum brake comprises at least one brake shoe (12) and an adjusting device (32) which comprises an adjusting strut (34), a ratchet-detent wheel mechanism and an adjusting lever (40) which comprises the ratchet (52). The brake shoe (... | 04/18/2000 |
| 6003645 | Drum brake device A drum brake device that functions as a leading-trailing (LT) type when the service brake is applied, and as a duo-servo (DS) type when the parking brake is applied, in which no strange noises are generated, nor is any impact load applied to any of the co... | 12/21/1999 |
| 5924529 | Drum brake device with single shoe extension device A drum brake device is provided in which a single shoe extension device activated by the service brake can yield a braking force equivalent to that of a two leading (2L) type of drum brake device, and which facilitates the incorporation of a parking brake... | 07/20/1999 |
| 5913390 | Electro-mechanical actuator for a drum brake A drum brake (10) having first (14) and second (16) brake shoes retained on a backing plate (20) and moved into engagement with a drum (18) to effect a brake application corresponding to a desired braking input supplied to a actuator member (28) is disclo... | 06/22/1999 |
| 5718308 | Automatic brake-adjusting device An automatic brake-adjusting device, and particularly an automatic brake-adjusting device to be used in a trailer, and the device comprises an outer case, a ratchet, a pawl, a pulling bar, a transmission device and an outer lid; the ratchet includes a plu... | 02/17/1998 |
| 5553687 | Method for assemblying and adjusting a drum brake The invention relates to a method for assembling and adjusting a drum brake of the type of those which comprise: a backplate (2); two shoes (3, 4); return springs (5, 6) urging these shoes towards one another; a wheel cylinder (7) secured to the backplate... | 09/10/1996 |
| 5538112 | Parking and emergancy brake actuating lever for drum brake assembly An actuating lever for a parking and emergency brake mechanism for use in a vehicle drum brake assembly includes a backing plate mounted on the vehicle for supporting a pair of brake shoes. A service brake mechanism is provided for selectively moving the ... | 07/23/1996 |
| 5480010 | Drum brake adjuster A duo-servo drum brake (10) includes an application adjuster mechanism (50). The application adjuster mechanism (50) comprises a threaded member (51) anchored to one brake shoe end (34), a socket member (61) anchored to the other brake shoe end (32), an o... | 01/02/1996 |
| 5360086 | Drum brake with cam operated parking brake lever The drum brake (10) comprises a backing plate (11) having an anchor block (15) and shoe retainer (17) attached thereto, a parking brake lever (40) connected with one (14) of a pair of drum brake shoes (12, 14), a first pair of drum brake shoe ends (16, 18... | 11/01/1994 |
| 5311971 | Self adjusting drum brake actuator with lever and end stop The drum brake has two shoes (12, 14), each presenting a web (16) and a rim (18) whose face facing the drum receives a friction lining (20). The drum brake is arranged on a support plate (10), and the web (16) of each shoe (12, 14) possesses a notch coope... | 05/17/1994 |
| 5295561 | Device for automatically taking up play for a braking mechanism Device for automatically taking up the play in a braking mechanism comprising a cylindrical piece (30) rotatably movable about its own axis (x--x'), of which the rotation over a fraction of a revolution is ensured by a control member (41) able to pivot al... | 03/22/1994 |
| 5226511 | Spring activated automatic drum brake adjuster The automatic adjuster (5) for the drum brake (6) comprises first and second oppositely disposed end members (30, 40) each having slots (32, 42) for receiving nonrotatably brake shoe webs (10, 14) and a parking lever (22). The first end member (30) includ... | 07/13/1993 |
| 5195617 | Brake linkage self-adjustment mechanism A self-adjustment mechanism for a brake system includes a first sprag clutch seated in a support. An eccentric serves as an inner race for the first sprag clutch and as an outer race for a second sprag clutch. A timing assembly serves as an inner race for... | 03/23/1993 |
| 5125484 | Drum brake An improved drum brake includes a brake drum rotating along with a wheel, a backing plate provided to a stationary portion of a vehicle, a pair of brake shoes that are movably supported on the backing plate and a wheel cylinder attached to the backing pla... | 06/30/1992 |
| 5067596 | Clip-on automatic adjuster strut lever for a drum brake An automatically adjustable strut (60) is mounted adjacent a drum brake (10) wheel cylinder (20) and strut forks (62, 66) bear against a pair of brake shoes (12, 14) and a parking brake lever (50). The strut (60) extends automatically according to wear of... | 11/26/1991 |
| 5058713 | Hydraulic drum brake assembly In a hydraulic drum brake and parking brake assembly, when a hydraulic actuator is operated to engage an opposed pair of brake shoes with a brake drum after a predetermined amount of wear had occurred on the friction pads of the brake shoes, a torsion spr... | 10/22/1991 |
| 5042623 | Combined parking brake lever and adjuster in a drum brake A duo servo drum brake assembly having a parking brake actuating lever combined with an automatic brake adjuster strut, the combined lever and strut engaging adjacent ends of the brake shoes of the assembly for brake adjustment and parking brake actuation... | 08/27/1991 |
| 5038898 | Drum brake The present invention involves an improvement in a conventional drum brake assembly which utilizes a pair of brake shoes separated by an adjustable strut. A parking brake lever is pivotally attached to one of the brake shoes and when it is rotated in a br... | 08/13/1991 |
| 5029676 | Drum brake self-adjuster mechanism A self-adjuster for a drum brake of the leading-trailing or duo servo type having the adjuster lever mounted on one of the brake shoe webs and engaged in as separate slot on the spreader and adjuster strut from the slot in which a brake shoe web and a par... | 07/09/1991 |
| 5012903 | Automatically adjustable spacer for a drum brake The invention relates to an automatically adjustable spacer for a drum brake, comprising essentially a first part (10) bearing at one of its ends on a first shoe (3), a second part (16) bearing at the opposite end on the second shoe (2), the first and sec... | 05/07/1991 |
| 4903800 | Self-adjusting drum brake In a drum brake provided with an automatic adjustment device (40c, 40d) effecting the elongation of a spacer interposed between the shoes (12, 14) in the proximity of the brake motor (22), a device (46, 34) makes it possible to neutralize the adjustment d... | 02/27/1990 |
| 4653615 | Automatic wear adjuster for drum brakes A wear adjuster for an internal shoe drum brake of the kind having a strut extending between one shoe and a handbrake lever pivoted on the other shoe includes a spacer between the strut and the one shoe, a screwing mechanism for adjusting the spacing effe... | 03/31/1987 |
| 4646881 | Automatic adjustment strut for a drum brake The strut body (5) is made as a single piece by casting and incorporates a main elongated portion (15), an enlarged end forming a head (16) through which a bore (17) passes, which is partially closed peripherally (18) and which extends into the main porti... | 03/03/1987 |
| 4595082 | Drum brake The invention relates to a drum brake for an automotive vehicle, comprising two brake shoes (18, 20) adapted to be moved apart by a wheel cylinder (14), one (18) of said shoes carrying an adjuster including a lever (40) having a free end (48) defining a t... | 06/17/1986 |
| 4589527 | Automatic adjusting device for a brake A strut (40), whose effective length depends on the relative positions of two strut portions (42,44) adjustable with respect to each other is connected in parallel with a brake actuating mechanism (18). One strut portion (44) has at least one part adjusta... | 05/20/1986 |
| 4588052 | Drum brake The drum brake comprise two shoes (12, 14) equipped with friction elements (24, 26) capable of being urged into frictional engagement by an applying mechanism (28) arranged between two first ends (30, 32) of the shoes (12, 14), a fixed anchor block (34) d... | 05/13/1986 |
