Title:
PUSH UP MECHANISM OF PLUNGER IN SPRING DRIVEN TYPE NAIL
Document Type and Number:
Japanese Patent JP3344454
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To driven a nail into a material to be driven surely by enlarging the push up stroke of a plunger.
SOLUTION: First/second/third rotating gears 11, 12, 13 are faced to a plunger 4 and arranged in parallel along the moving direction of the plunger 4 from a lower part to the upper part and meshed with each other and also in respective rotating gears, drive pins 14, 15, 16 are projected respectively facing to the facing surface of the plunger 4 to a position off-centered from the rotation center of respective rotating gears. While, in the facing surface of the plunger 4, first/second/third engaging projection parts 21, 22, 23 in response to respective drive pins respectively are coped and engaged with the driven pin moved in response to the rotation of respective rotating gears in order and formed to a push up position of the plunger 4 against a spring force and also the height by which the drive pin 15 of the second rotating gear 12 is not engaged with the first-third engaging projection parts 21, 23 of the plunger 4 mutually.
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Inventors:
Susumu Hayashi
Application Number:
JP13263396A
Publication Date:
November 11, 2002
Filing Date:
April 30, 1996
Export Citation:
Assignee:
Max Co., Ltd.
International Classes:
B25C1/06; (IPC1-7): B25C1/06
Attorney, Agent or Firm:
Mikio Segawa