Directions: The following is a patent. After reading it, you should give bri

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问题    Directions: The following is a patent. After reading it, you should give brief answers to the 5 questions (No. 56 through No. 60) that follow. The answers should be no more than 3 words. They should be written after the corresponding numbers on the Answer Sheet.
United States Patent[19]                                        [11]    4,044,808
Kolonia                                                          [45]    Aug. 30, 1977
[54] SPLITTING ASSEMBLY
[76] Inventor: Robert A. Kolonia, RD No. 3, Box 318, Agnes Lane, Milford, N. J. 08848
[21] Appl. No: 688, 287
[22] Filed: May 20,1976
[55]Int. C1. …… A47J 4/02; B26B 23/00;
                              B27L 7/00
[52]U.S. C1. …… 145/2R;144/193 C;
[58]Field of Search …… 145/2; 144/193 C;
                              144/193 D
[56]  References Cited
      U.S. PATENT DOCUMENTS
561,000 5/1896  Karns ……… 145/2R
1,272,538  7/1918  Sandidge …… 145/2R
3,749,365  7/1973  Van Gompel  … 254/104
3,865,163  2/1975  Root …… 144/193A
3,982,572  9/1976  Kortendick …… 254/104
FOREIGN PATENT DOCUMENTS
579,743  9/1925  France …… 145/2R
3,925  6/1919  Netherlands …… 145/2R
Primary Examiner-James L. Jones, Jr.
Assistant Examiner-J. T. Zatarga
Attorney, Agent, or Fim-King, Price & Markva
[57]       ABSTARCT
The device comprises a head portion having a cutting edge with a pair of lever members mounted on opposing sides of the head portion. The lever members are pivotally (枢轴的 ) mounted at one end thereof to move in a crossed relationship with respect to each other and to swing the outer end thereof from resting position outwardly with respect to the head portion. The outer end of each lever member has a structural configuration effective to cause the swinging movement of the lever members upon contact with the’ object to be split. The outer end of each lever member contacts the object immediately after the cutting edge contacts the object. The lever members are effective to provide forces via their end portions against opposing sides of a cut formed by the utting edge and thereby enhance splitting of the object against which the cutting edge had been thrust. The  lever members are mounted to bosses directly attached to the head portion.
14 Claims, 7 Drawing Figures [br]

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答案 4,044,808

解析从标有[11]的地方可知。

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