JPH01113604U

JPH01113604U -

Info

Publication number: JPH01113604U
Application number: JP801688U
Authority: JP
Priority date: 1988-01-25
Filing date: 1988-01-25
Publication date: 1989-07-31

Description

[Brief explanation of the drawing]

第１図は本考案による往復動式ピストン・シリ
ンダ装置の側断面図である。第２図は第１図のピ
ストン・シリンダ装置の端面図である。第３図は
第１図のピストン・シリンダ装置の断片側面図で
ある。第４図は第１図のピストン・シリンダ装置
内で用いるピストンの部分断面側面図である。第
５図は第４図のピストンの右端面図である。第６
図は第１図のピストン・シリンダ装置で用いるス
プリング・ホルダの部分断面側面図である。第７
図は第６図のスプリング・ホルダの左端面図であ
る。符号の説明、１０……ノーズ部、１２……ゲー
ト部、１４……側部開口、１６……釘案内通路、
２０……ピストン・シリンダ装置、２４……ピス
トン、２６……シリンダ、２８……スプリング・
ホルダ、３８……コイルスプリング、４４……溝
、４６……ランド部、４８……溝、５０……ラン
ド部、５２……操作ピン、５４……スロツト。 FIG. 1 is a sectional side view of a reciprocating piston-cylinder device according to the present invention. 2 is an end view of the piston-cylinder arrangement of FIG. 1; FIG. 3 is a fragmentary side view of the piston-cylinder arrangement of FIG. 1; FIG. FIG. 4 is a partial cross-sectional side view of a piston for use within the piston-cylinder arrangement of FIG. 1; FIG. 5 is a right end view of the piston of FIG. 4. 6th
1. The figure is a partially sectional side view of a spring holder used in the piston-cylinder device of FIG. 1. 7th
The figure is a left end view of the spring holder of FIG. 6. Explanation of symbols, 10...Nose part, 12...Gate part, 14...Side opening, 16...Nail guide passage,
20...Piston/cylinder device, 24...Piston, 26...Cylinder, 28...Spring/
Holder, 38... Coil spring, 44... Groove, 46... Land portion, 48... Groove, 50... Land portion, 52... Operation pin, 54... Slot.

Claims

[Scope of utility model registration request]

In a reciprocating piston-cylinder device consisting of a cylinder and a piston slidably mounted within the cylinder, the piston has a piston rod projecting from the cylinder in the longitudinal direction, and the piston has a piston rod on the opposite end surface of the piston rod. A plurality of grooves are formed at equal intervals in the circumferential direction, and the lands between each adjacent groove are of the same height, and further, the land portion between each adjacent groove is of the same height, and the piston rod has a land portion in the end opposite to the protruding end of the piston rod in the cylinder. A hollow cylindrical spring holder is fixed to the spring holder so that it can rotate only about its longitudinal axis, and the end surface of this spring holder facing the piston has grooves and lands corresponding to the grooves and lands. is formed and the opposite end of the spring holder is closed with an end plate;
A compression coil spring is installed between this end plate and the piston, a port is provided at the end of the cylinder on the piston rod side to connect to a pressure source, and an operating pin is fixed to the side of the spring holder. A piston/cylinder device characterized in that the operating pin projects outward through a circumferential slot formed in a side wall of the cylinder.