2890682

Information

• Patent Grant
• 2890682

• References
• Source

• Patent Number

  2,890,682

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1959
  65 years ago

• CPC

  • F03C1/03 - with movement in two directions being obtained by two single-acting piston liquid engines, each acting in one direction
  • B22C15/14 - involving pneumatic or hydraulic mechanisms
  • B23D51/18 - actuated by fluid or gas pressure
  • B23D67/00 - Filing or rasping machines of devices
  • F01L21/04 - Valves arranged in or on piston or piston-rod
  • F01L23/00 - Valves controlled by impact by piston

• US Classifications

  • 091 - Motors: expansible chamber type
  • 173 - Tool driving or impacting