Poker vibrator electric drive unit

- Dynapac Maskin AB
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Description

FIG. 1 is a top perspective view of a poker vibrator electric drive showing my new design, the tubing and electric cord being shown broken away to indicate indeterminate length;

FIG. 2 is a bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
D185073 May 1959 Downing
2070956 February 1937 Pelton
2716022 August 1955 Wilson
3271012 September 1966 Van Bael
Other references
  • "Construction Methods and Equipment"; 2/1971; p. 161; Square Head Vibrator (upper right).
Patent History
Patent number: D271773
Type: Grant
Filed: Jul 17, 1981
Date of Patent: Dec 13, 1983
Assignee: Dynapac Maskin AB (Solna)
Inventor: Bo Ekelund (Enebyberg)
Primary Examiner: B. J. Bullock
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 6/284,338
Classifications
Current U.S. Class: Vibrator Or Separator (D15/147); Drive Train (D15/148)
International Classification: D1599;