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公开(公告)号：US2859426A
公开(公告)日：1958-11-04
申请号：US57912056
申请日：1956-04-18
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
CPC classification number: G01S1/02
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公开(公告)号：US2691150A
公开(公告)日：1954-10-05
申请号：US41879354
申请日：1954-03-25
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
IPC: G08G5/02
CPC classification number: G08G5/0026 , G08G5/025
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公开(公告)号：US3675340A
公开(公告)日：1972-07-11
申请号：US3675340D
申请日：1970-05-27
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
IPC: G09B1/10
CPC classification number: G09B1/10
Abstract: An electro-mechanical educational apparatus in the form of a solid tablet representing one side of a house, complete with detachable windows, shutters, and windowboxes. Each detachable window contains a magnet embedded in a unique position with respect to the window outline and adapted to actuate a magnetic switch embedded in the house in a corresponding position at the correct location for the particular window. The correct sequence of assembly of the windows is indicated by line or color markings on the house, by colors of changeable components such as the shutters, or by colors, numerals, words, or other keys on the window boxes, which are to be matched with corresponding indications on the windows. Correct assembly is verified by depression of a manual switch which actuates a light or a doorbell as a reward for the accomplishment. Means are provided to help students grasp the windows and to prevent upside down or mis-oriented insertion of the windows. Other means are provided to prevent students from removing indicators which are intended to be semi-fixed.
Abstract translation: 一种以代表房屋一侧的坚实平板电脑形式的机电教育设备，具有可拆卸的窗户，百叶窗和窗框。 每个可拆卸窗口包含相对于窗口轮廓嵌入在独特位置的磁体，并且适于将嵌入在房屋中的磁性开关驱动在用于特定窗口的正确位置的对应位置。 窗户的正确的组装顺序由房屋上的线或颜色标记，可变组件（例如百叶窗）的颜色，或者由窗口框上的颜色，数字，单词或其他键组成，这些颜色将被匹配 并在窗口上显示相应的指示。
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公开(公告)号：US3327099A
公开(公告)日：1967-06-20
申请号：US32023063
申请日：1963-10-30
Applicant: NELSON CARLTON J , GRIDER HARRY B , SPANGENBERG DONALD N , DAVIS JAMES E , HAINES ROBERT C
Inventor： NELSON CARLTON J , GRIDER HARRY B , SPANGENBERG DONALD N , DAVIS JAMES E , HAINES ROBERT C
CPC classification number: G05D1/0684 , B64F1/20
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公开(公告)号：US2625882A
公开(公告)日：1953-01-20
申请号：US57261445
申请日：1945-01-13
Applicant: DAVIS JAMES E , RENA SANDHOFER
Inventor： DAVIS JAMES E , RENA SANDHOFER
IPC: E21B43/12
CPC classification number: E21B43/127
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Patent Agency Ranking
公开(公告)号：US1519605A
公开(公告)日：1924-12-16
申请号：US50087121
申请日：1921-09-15
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
IPC: G03B21/43
CPC classification number: G03B21/43
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公开(公告)号：US2749415A
公开(公告)日：1956-06-05
申请号：US32415652
申请日：1952-12-04
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
CPC classification number: H01H13/58 , H01H13/023 , H02B15/00
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公开(公告)号：US1281302A
公开(公告)日：1918-10-15
申请号：US21000818
申请日：1918-01-02
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
CPC classification number: B08B9/087
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公开(公告)号：US865632A
公开(公告)日：1907-09-10
申请号：US1907354670
申请日：1907-01-29
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
CPC classification number: A01B1/06 , Y10T403/32368
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公开(公告)号：US689708A
公开(公告)日：1901-12-24
申请号：US1901069511
申请日：1901-07-24
Applicant: DAVIS JAMES E
Inventor： DAVIS JAMES E
CPC classification number: B23D63/06
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