Machine element or mechanism – Gearing – Interchangeably locked
Patent
1982-08-20
1986-01-21
Pate, III, William F.
Machine element or mechanism
Gearing
Interchangeably locked
74329, 74331, 74333, 74356, F16H 308
Patent
active
045651060
ABSTRACT:
A gear transmission mechanism for an automotive vehicle, with a power input shaft, including several combination assemblies, each including a layshaft and a selectively engagable friction engaging mechanism which can either be engaged to rotationally drive the layshaft from the power input shaft or can be disengaged to rotationally disengage the layshaft from the power input shaft. All the layshafts are substantially parallel with one another and with a mainshaft. Each of several pairs of gear wheels consists of a mainshaft gear mounted on the mainshaft and a layshaft gear mounted on one of the layshafts. Of each of these pairs, one is a fixed gear which is fixed to its shaft on which it is mounted, and the other is an idler gear which, according to the selective operation of a gear engaging system, either can be rotationally coupled to its shaft on which it is mounted, or can be left rotationally disengaged from that shaft. A system is provided for outputting rotational power from a member which rotates along with the mainshaft. Various different speed ratios can be obtained by engaging a particular one of the friction engaging mechanisms to rotate its particular layshaft, and by engaging the idler gear of a gear wheel pair whose layshaft is that particular layshaft to its shaft on which it is mounted by the gear engaging system, so as to rotate the mainshaft via that gear wheel pair from that particular layshaft.
REFERENCES:
patent: 2599801 (1952-06-01), Youngren et al.
patent: 3138965 (1964-06-01), Brey et al.
Aisin-Warner Limited
Desai Shirish
Pate III William F.
Toyota Jidosha Kogyo Kabushiki Kaisha
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