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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 4535679 | Control valve for a brake booster A control valve 44 for use in a fluid pressure operated motor 10 to control the communication of fluid between first and second chambers 34 and 36. The control valve 44 includes a plunger 58, a disc 46 and a retainer 70. The retainer 70 has a cylindrical ... | 08/20/1985 |
| 4531370 | Brake actuation assembly A brake actuation assembly 10 having a master cylinder 12 attached to a stationary wall (14) of a vehicle and a power assist apparatus 16. Linkage 66 connects a movable wall 125 in the power assist apparatus 16 with pistons 64 and 68 in chambers 60 and 62... | 07/30/1985 |
| 4522287 | Disc brake with camming member and torsion spring for vibration control A disc brake assembly (10) includes a rotor (12) having a pair of friction faces (14, 16) and a pair of friction elements (18, 20) disposed adjacent the friction faces. A caliper (32) is slidably mounted on a support member (22) by mounting mechanism (40)... | 06/11/1985 |
| 4522031 | Fluid pressurizing device A fluid pressurizing device 10 having a master cylinder 12 with a cylindrical projection 52 that extends through the housing of a brake booster 14. The housing of the brake booster 14 has a front shell 56 located on a shoulder 54 of the cylindrical projec... | 06/11/1985 |
| 4512445 | Adjustment assembly for a disc brake An adjustment assembly for a disc brake includes a nut (26) and a threaded stem (28). The threaded stem (28) defines a first diameter portion (72) and a second diameter portion (76) which cooperate to form a differential area sealingly engaging an inwardl... | 04/23/1985 |
| 4510752 | Master cylinder A master cylinder includes a housing (24) forming a bore (26) for receiving a first piston (38) and a second piston (40). Each piston is movable during braking to generate fluid pressure within a first pressure chamber (54) and a second pressure chamber (... | 04/16/1985 |
| 4505108 | Integrated hydraulic control circuit for jet engine thrust reverser and variable exhaust nozzle The invention is an integrated hydraulic control circuit for actuating the thrust reversers and variable exhaust nozzle on high preformance gas turbine engine powered aircraft. The hydraulic circuits for both systems are integrated into a single housing a... | 03/19/1985 |
| 4502574 | Adjuster assembly for a nonservo drum brake An adjuster assembly for a nonservo drum brake includes a pawl (44) cooperating with a star wheel (30) of an extendible strut (22). The pawl (44) includes more than one (56, 58) edge cooperating with the star wheel to control extension of the extendible s... | 03/05/1985 |
| 4500111 | Suspension assembly for a wheel and brake A suspension assembly couples a wheel assembly (16) and a brake assembly (60) to a frame (10). The suspension assembly includes a support (20) for receiving an axle (24). The axle carries the wheel assembly (16) at one end of the support (20) and forms a ... | 02/19/1985 |
| 4499729 | Fast-fill master cylinder A fast-fill master cylinder with integral proportioning includes a housing with a stepped bore defining a large diameter and a small diameter. A piston is disposed with the large diameter and the small diameter to form a fast-fill chamber in the large dia... | 02/19/1985 |
| 4500144 | Bearing member A bearing member (10) having a series of carbon separators (16, 16' . . . 16N) with semi-spherical pockets (52, 52' . . . 52N) on the end thereof and semi-spherical ribs (20) and (22) on its inner and outer periphery. The ribs (20) a... | 02/19/1985 |
| 4497633 | Method of forming a tubular electrical insulator assembly A method of making a tubular electrical insulator assembly for an igniter plug comprising the steps of making a recess (11) in one end of a tubular insulator (10); cementing a portion of a tubular semi-conductor (20) into the recess (11) so that the remai... | 02/05/1985 |
| 4496195 | Recirculating bearing assembly A recirculating bearing assembly and method of making it in which the bearing assembly includes a bearing path-defining structure having two primary pieces, the first being an elongated "I" shaped member having an internal aperture extending through the e... | 01/29/1985 |
| 4496197 | Linear motion bearing truck and rail assembly A linear motion bearing assembly and rail in which the bearing assembly includes two bearing bodies each having a pair of projections defining recirculating bearing races. The bearing assemblies are each secured to a movable member and to each other in an... | 01/29/1985 |
| 4494810 | Anti-decoupling device for an electrical connector A pair of rotatable coupling nuts (46, 76) are nested and mounted for relative rotation to a plug shell (10) and first and second cylinders (28, 62) are arranged coaxially to cooperate with a coil (90) connected to the inner coupling nut (46) for restrain... | 01/22/1985 |
| 4494696 | Unit injector An injector including a self-actuating three-way valve lodged in a passage between the fuel injector supply inlet and a control valve. The three-way valve permits fuel to flow from supply through to the control valve during a metering mode of operation wh... | 01/22/1985 |
| 4493742 | Method for adjusting a vacuum brake booster output member relative to a master cylinder piston A vacuum brake booster is coupled to a master cylinder at the same time that an output member for the vacuum brake booster is adjusted relative to a piston for the master cylinder. The adjustment is carried out by a plunger adapted to activate a bonding m... | 01/15/1985 |
| 4493527 | Socket contact for electrical connectors A socket contact for electrical connectors consisting of a contact liner sleeve (16) with a rear sleeve (14) and inner and outer front sleeves (12, 10) assembled to the front and to the contact liner sleeve (16) with the outer sleeve (10) rear portion the... | 01/15/1985 |
| 4493307 | Advance control for breakerless ignition system A breakerless ignition system in which an electronic advance circuit (30) generates an electrical trigger signal (SPKE) and a mechanical advance circuit generates a mechanical trigger signal (PCP). The mechanical trigger signal (PCP) and electrical trigge... | 01/15/1985 |
| 4493675 | Universal joint A universal joint includes a first member and a second member joined via a coupling assembly. The coupling assembly includes a pair of washer-like seats engageable with ball studs carried by the pair of members and a nut and bolt assembly. The nut and bol... | 01/15/1985 |
| 4493074 | Content induced transaction overlap communication system A content induced transaction overlap communication system for transmitting data over a single communication channel between a plurality of senders and at least one receiver. The senders simultaneously transmit the highest order bits of their data word, o... | 01/08/1985 |
| 4490977 | Hydraulic brake booster A hydraulic brake booster includes a housing with a bore for receiving a first piston, a second piston and a valve assembly. The valve assembly includes a sleeve with a bore receiving a first valve member and a second valve member. The valve member cooper... | 01/01/1985 |
| 4490720 | Multipulse signal processing for radar system A radar system alternately transmits relatively short and long pulses. The video signals corresponding to the target returns from consecutive pulse transmissions are converted to digital format and then integrated except that radar return signals from tar... | 12/25/1984 |
| 4489224 | Fluid level indicator A fluid level indicator is provided for a master cylinder to generate a signal in response to the fluid level reaching a predetermined level. The fluid level indicator includes a carrier assembly for holding a magnet and moving the same within a master cy... | 12/18/1984 |
| 4488400 | Positive displacement air delivery system for an internal combustion engine A positive displacement air delivery system for an internal combustion engine having a multiple chamber positive displacement air pump and a control valve for directing the output of the air pump to either the engine's catalytic converter or to the engine... | 12/18/1984 |
| 4487617 | Mechanism for cleaning and drying compressed gases Mechanism for cleaning and drying compressed gas (10) includes a housing (12) having an open end closed by an end cover (14). A desiccant canister (16) is mounted on a plate (24) which is clamped between the end cover (14) and the housing (12) so that the... | 12/11/1984 |
| 4487470 | Anti-decoupling mechanism for an electrical connector assembly A thin, flat, elongated band (50) of flexible material having opposite ends and of roughened surfaces is slidably wrapped about itself several times and around a plug shell (20) such that one end is confined against the plug shell and the other end is con... | 12/11/1984 |
| 4487300 | Vibration adjustable spacer A vibration adjustable spacer (10) is disclosed. In a preferred implementation spacers 10, 10', 10" are used to damp the vibrational resonance of a number of printed circuit boards (42, 44, 46) in an assembly (40). The spacer (10) has an adjustable snubbi... | 12/11/1984 |
| 4487298 | Drum brake assembly and adjuster therefor A drum brake assembly and adjuster therefor includes a wire element supporting a pawl and yieldably opposing movement of the pawl away from a rest position. The wire element is releasably connected to the pawl and a brake shoe for the drum brake assembly.... | 12/11/1984 |
| 4487105 | Four position control valve for a pneumatically operated servomotor A retainer 226 for holding a control valve 656 of a servomotor 42 in a bore 90 of a hub 78. The hub 78 which is attached to a movable wall 56 has first 92 and second 96 passages that connect the bore to first 86 and second 88 chambers in the servomotor 42... | 12/11/1984 |
| 4487022 | Brake actuator A brake actuation assembly (10) wherein a front shell (50) of a booster mechanism (14) is attached to a stationary bulkhead (32) and the housing (58) of a master cylinder (12). On actuation of the booster mechanism (14) an output force is produced to oper... | 12/11/1984 |
| 4487296 | Wire spring for a disc brake A wire spring (60) for a disc brake includes a coiled portion (62) with a pair of arms (64, 66) cooperating with the caliper via slots (70, 76) and with a friction element (24) via ends thereof (32, 34) in order to reduce rattle caused by the friction ele... | 12/11/1984 |
| 4486703 | Boost voltage generator Circuitry (20) for activating fuel injectors (50) of an internal combustion engine including a plurality of switching circuits (60) for turning on and off associated hybrid power circuits (80). The hybrid power circuits (80) communicate the increased leve... | 12/04/1984 |
| 4484866 | Piston pump A piston pump includes a cylinder with a bore receiving the piston. The piston forms a central passage leading to a variable volume chamber and a check valve is disposed in the central passage. In addition, the cylinder includes a pair of ports which sele... | 11/27/1984 |
| 4484790 | Anti-decoupling device for an electrical connector A compound coupling nut (60) mounted to a plug shell (10), first and second sets of detents (34, 84) arranged annularly and extending radially inward from one of the shell and/or the inner coupling sleeve, and a C-shaped detent spring (90) disposed radial... | 11/27/1984 |
| 4484495 | Differential drive mechanism A differential drive mechanism (10) includes a driving member (12) and a driven member (16). A planetary gearset (64) drivingly connects the driving member (12) and driven member (16) to drive the driven member (16) at a speed lower than that of the drive... | 11/27/1984 |
| 4485452 | Speed measurement system A speed measurement system including a magnetic pickup positioned in proximate relation to a driven element of a gas turbine engine having a plurality of discontinuities therein. The pickup providing a pulse per every discontinuity and thus a multiplicity... | 11/27/1984 |
| 4484192 | Moving map display Disclosed is a moving map display having a mass memory storing a complete map of the terrain to be traversed by a vehicle, a scan memory storing a portion of the complete map corresponding to the area immediately surrounding the vehicle, a computer for co... | 11/20/1984 |
| 4483430 | Clutch drive A clutch drive (10) includes a spindle (16) mounting a driving member (94) and a driven member (118) for rotation about the spindle (16). The driving member (94) includes a pressure plate (96) which moves axially along the spindle to engage and disengage ... | 11/20/1984 |
| 4479689 | Coupling nut for an electrical connector A coupling nut (300) mounted to a first shell (100) for connection to a threaded second shell (200) comprises: an operating sleeve (600) rotatably circumposing inner front and rear coupling sleeves (400, 500) having their adjacent ends threadedly intercon... | 10/30/1984 |
