PERCUSSIVE MACHINE

PCT No. PCT/SU89/00206 Sec. 371 Date May 14, 1990 Sec. 102(e) Date May 14, 1990 PCT Filed Aug. 9, 1989 PCT Pub. No. WO90/03252 PCT Pub. Date Apr. 5, 1990.A compression-vacuum action percussive machine is proposed, which has a casing (1) accommodating a tool (7) and a cylinder (2) with a drive piston...

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Hauptverfasser:	GOLDSHTEJN BORIS G,SU, KOLGAN YURIJ N,SU, PROKHOROV IVAN A,SU, AGAFONOV IGOR S,SU, NIKOLAEV IGOR V,SU, KEZIK VITOLD A,SU
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	HAND TOOLS MANIPULATORS PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING
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Zusammenfassung:	PCT No. PCT/SU89/00206 Sec. 371 Date May 14, 1990 Sec. 102(e) Date May 14, 1990 PCT Filed Aug. 9, 1989 PCT Pub. No. WO90/03252 PCT Pub. Date Apr. 5, 1990.A compression-vacuum action percussive machine is proposed, which has a casing (1) accommodating a tool (7) and a cylinder (2) with a drive piston (3) and a striker (4) having a chamfer (10) on the end face engageable with the tool (7), and also a means for trapping the striker (4), which means is made in the form of a sleeve (11) with an annular groove (13), wherein a resilient ring (14) is mounted. The sleeve (11) has an inner annular rib (15), the diameter of which is smaller than the diameter of the inner wall (12) of the sleeve (11), the annular rib (15) being positioned at the end face of the sleeve (11) facing the striker (4). The inner diameter (d) of the resilient ring (14) is smaller than the diameter (D) of the extension (9) of the striker (4), which extension is situated after the striker chamfer (10).