Fire escape – ladder – or scaffold – Horizontal traversing - actuation – control – or response – Occupant actuation or control
Patent
1974-04-08
1976-02-10
Zugel, Francis K.
Fire escape, ladder, or scaffold
Horizontal traversing - actuation, control, or response
Occupant actuation or control
297175, 297330, A01K 112
Patent
active
039372979
ABSTRACT:
A mobile milking chair apparatus which is controlled by the operator to place the operator in a position to milk a series of cows in a milking parlor. The chair conveys the operator along a line of cows and can position the operator properly for connecting and disconnecting a milking machine for each cow and then provides for swinging the operator to the opposite side for another series of cows.
REFERENCES:
patent: 744187 (1903-11-01), Gibbs
patent: 2500815 (1950-03-01), Gerli et al.
patent: 2552434 (1951-05-01), Klapman
patent: 2821312 (1958-01-01), Wiegel
patent: 2996140 (1961-08-01), Troche
patent: 3224528 (1965-12-01), Hubbard
patent: 3236329 (1966-02-01), Price
patent: 3810442 (1974-05-01), Jacobs et al.
Jacobs Hubert Hudson
Jacobs Virginia Michael
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