Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7357081 | Safety and arming unit for a spinning projectile fuze A safety and arming unit (10) for a spinning projectile fuze, which has a fuze body (12) and a bearing body (14), which define a spherical cavity (16) between them, in which a spherical rotor (18) is mounted such that it can rotate... | 04/15/2008 |
| 6564716 | Fuzes having centrifugal arming lock for a munition A fuze for a munition adapted to prevent unintended arming thereof. The fuze incorporates an arming screw having a keyed portion and a centrifugal locking mechanism for preventing rotation of the arming screw unless the fuze mechanism is in a rapidly spin... | 05/20/2003 |
| 4723490 | Base fuze of a spinning projectile possessing an inertia body The base fuze of a spinning projectile possesses a detonator capsule which is pierced by a firing pin. The firing pin is connected to a hammer sleeve. An inertia body is arranged behind the hammer sleeve in order to improve the response sensitivity of the... | 02/09/1988 |
| 4622898 | Spin activated mechanism The mechanism consists of a one coil spring disposed a spaced distance about the inner circumference of a cylindrical housing; and a lever pivotally attached to said housing. When the device is subjected to centrifugal forces the coil is forced outward to... | 11/18/1986 |
| 4467723 | Coil strip safety device for spinning projectiles A fuze for a spinning projectile has a firing pin which is held against movement by a safety device until the projectile has traveled a preset distance. The safety device comprises a coil spring strip which overlies the firing pin in its initially coiled-... | 08/28/1984 |
| 4397239 | Delay function module for ammunition A delay function modulator for insertion between the primary fuze and the warhead of a projectile, which relies on the time required for the movement of the plunger through a certain distance, then on the further movement of an internal firing pin under t... | 08/09/1983 |
| 4063514 | Grenade fuze A fuze for shaped charge grenades adapted to be ejected over a target area rom a projectile in flight wherein means are provided in the fuze housing to hold the detonator out of alignment with the firing pin and operable upon ejection of the grenade from t... | 12/20/1977 |
